Appendix — Shell Oil Co. v. United States (Nos. 07-1607, 07-1601)

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APPENDIX A

UNITED STATES COURT OF APPEALS,

NINTH CIRCUIT

Nos. 03-17125, 03-17153, 03-17169.

UNITED STATES OF AMERICA,

Plaintiff,

and

DEPARTMENT OF TOXIC SUBSTANCES CONTROL,

STATE OF CALIFORNIA,

Plaintiff-Appellant,

Vv.

BURLINGTON NORTHERN & SANTA FE _ RAILWAY

COMPANY, as successor in interest to the Atchison,

Topeka & Santa Fe Railway Company; UNION

PACIFIC TRANSPORTATION COMPANY, as successor in

interest to the Southern Pacific Transportation

Company; SHELL OIL COMPANY,

Defendants-Appellees.

UNITED STATES OF AMERICA,

Plaintiff-Appellant,

and

DEPARTMENT OF TOXIC SUBSTANCES CONTROL,

STATE OF CALIFORNIA,

Plaintiff,

BURLINGTON NORTHERN & SANTA, FE RAILWAY

COMPANY, as successor in interest to the Atchison,

Topeka & Santa Fe Railway Company; UNION

PACIFIC TRANSPORTATION COMPANY, as successor in

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interest to the Southern Pacific Transportation

Company; SHELL OIL COMPANY,

Defendants-Appellees.

UNITED STATES OF AMERICA; DEPARTMENT OF TOXIC

SUBSTANCES CONTROL, STATE OF CALIFORNIA,

Plaintiffs-Appellees,

Vv.

BURLINGTON NORTHERN & SANTA FE _ RAILWAY

COMPANY, as successor in interest to the Atchison,

Topeka & Santa Fe Railway Company: UNION

PACIFIC TRANSPORTATION COMPANY, as successor in

interest to the Southern Pacific Transportation

Company,

Defendants,

and

SHELL OIL COMPANY,

Defendant-Appellant.

Argued and Submitted Sept. 12, 2005.

Submission Withdrawn Sept. 14, 2005.

Resubmitted March 16, 2007.

Filed March 16, 2007.

Amended Sept. 4, 2007.

Second Amendment March 25, 2008.

OPINION

BERZON, Circuit Judge:

A now-defunct company, Brown & Bryant, Inc.

(B & B), owned and operated a facility at which toxic

chemicals were stored and distributed. Part of the

land on which the chemical operation was located

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was owned by two railroad companies (the Rail-

roads), and some of the chemicals used by B & B were

supplied and delivered to the facility by Shell Oil

Company (Shell). Because toxic chemicals remaining

at the facility threatened groundwater and may

continue to do so in the future, the United States

Environmental Protection Agency (EPA) and the

State of California’s Department of Toxic Substances

Control (DTSC) spent a considerable amount of

money to clean up the site and may~need to spend

more in the future. The two agencies sought to

recover these response costs under the Comprehen-

sive Environmental Response, Compensation, and

Liability Act, 42 U.S.C. §§ 9601 9675,' (CERCLA),

but the district court held the Railroads and Shell

liable for only a minor portion of the total cleanup

costs. B & B was defunct by that time, and so could

not contribute to the cleanup costs. The agencies

were thus left holding the bag for a great deal of

money.

Seeking to hold the Railroads and Shell jointly and

severally liable for the entire judgment, the agencies

appeal. Shell cross-appeals, claiming that it was not

an “arranger” under CERCLA, § 9607(a)\(3), and

therefore is not a party on whom any cleanup liability

can be imposed. We reverse the portion of the

judgment that declined to impose full joint and

several liability on the Railroads and Shell and

affirm the portion of the judgment that imposed

liability on Shell as an arranger.*

' Unless otherwise noted, all statutory citations are to Title

42 and the 2000 edition of the U.S.Code.

* The Railroads have requested judicial notice of the EPA

proceedings concerning their suit for reimbursement from the

government and of the stay of those proceedings pending the

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I. Background

Beginning in 1960, B & B operated an agricultural

chemical storage and distribution facility in Arvin,

California on a 3.8-acre parcel of land (the B & B

parcel). In 1975, B & B’s agricultural chemical

distribution business outgrew that parcel, and B & B

began leasing a 0.9-acre parcel of land adjacent to its

own parcel. The 0.9-acre parcel (the Railroad parcel)

was jointly owned by the Railroads—Atchison,

Topeka & Santa Fe Railroad Co., the predecessor in

interest to Burlington Northern & Santa Fe Railway

Co., and Southern Pacific Transportation Co., the

predecessor in interest to Union Pacific Transporta-

tion Co. B & B used the Railroad parcel principally to

park fertilizer rigs.

The Railroad parcel comprised the western portion

of the Arvin site.’ Directly to the east of the Railroad

parcel sat B & B’s warehouse. The Railroad parcel,

like the rest of the Arvin site, was graded toward a

drainage pond on the B & B parcel.

B & B used the Railroad parcel as an integral part

of its overall agricultural chemical facility. From its

facility B & B sold local growers agricultural chemi-

cal products produced by various manufacturers. In

particular, B & B purchased, received delivery of,

stored on the Arvin site, and distributed two Shell-

produced agricultural chemicals: the soil fumigants

determination of joint and several liability in this case. These

proceedings do not * ‘have a direct relation to matters at issue.’ ”

United States ex rel. Robinson Rancheria Citizens Council v.

Borneo, Inc., 971 F.2d 244, 248 (9th Cir.1992) (citation omitted).

We therefore deny the Railroads’ request for judicial notice.

' We refer to the B & B and Railroad parcels together as the

“Arvin site.”

5a

D-D and Nemagon. D-D and Nemagon—members of

a class of chemicals called nematocides—are designed

to kill nematodes, microscopic worms that attack the

roots of crops. Nematocides work by penetrating the

soil and then dispersing. B & B also stored on the

Arvin site dinitro (dinoseb) weed killer, purchased

from Dow Chemical Company.

During the 1960s and 1970s, Shell strongly

encouraged its customers, including B & B, to

purchase D-D in bulk, a policy requiring customers to

maintain large storage tanks. Shell delivered the

bulk D-D to B & B “FOB Destination” via common

carrier trucks.“ When the trucks carrying D-D

arrived at the Arvin facility, the contents of the

trucks were transferred to B & B’s large tanks by

hoses.” The process was quite messy, with frequent

spills.

To apply D-D to growers’ fields, B & B used rigs

loaded with the chemical. The rigs were stored on the

Railroad parcel, as were bulk containers of dinoseb

and, occasionally, empty fertilizer cans. Chemicals

also reached the Railroad parcel through water flow

from the B & B parcel.

* “FOB Destination” means “free on board” and “when the

term is F.O.B. the place of destination, the seller must at his

own expense and risk transport the goods to that place and

there tender delivery of them.” U.C.C. § 2-319(1)(b) (2003).

* Shell was deeply involved in the delivery process: The

district court found that Shell determined and arranged for the

means and methods of delivery of D-D to the Arvin plant and

detailed loading and unloading procedures. It also found that

the trucking companies with which Shell contracted for delivery

did the transfers for most of the relevant period. It was only in

the early 1980s that Shell dictated that B & B personne! should

instead do the unloading.

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In 1978, after a windstorm destroyed the bulk D-D

storage tank used to store Shell D-D, B & B began

using converted stainless steel milk trailers to store

the bulk D-D. The chemical, which is highly corrosive

and eats through steel, can cause leakage in steel

tanks only a few years old. B & B kept these leak-

prone tanks all over the Arvin facility, including on

the Railroad parcel.

D-D, when it leaks, evaporates quickly if exposed to

air but is highly soluble in water. When D-D

infiltrates the ground, it moves through the soil by

molecular diffusion, dispersing in all directions. A

slight pull from gravity, however, makes the chemical

a bit more likely to flow downward into groundwater

than laterally through the soil. Dinoseb, similarly,

tends to move to the groundwater table if there is

water movement in that direction. No toxic chemicals

can reach the groundwater level currently used as a

source of drinking water because of an impermeable

layer of soil. The next highest level, however, is a

potential source of drinking water, and contamina-

tion can reach that level.

After more than twenty years of leakage and

dissemination of hazardous materials, the DTSC in

1983 found B & B in violation of several hazardous

waste laws. The EPA investigated separately and

found evidence of substantial soil and groundwater

contamination at B & B’s Arvin facility. The EPA

and DTSC (the Governments) began to remedy the

contamination pursuant to their cleanup authority

under CERCLA, incurring substantial remediation

costs. In 1991, the EPA ordered the Railroads to take

specific preventative steps on the Railroad parcel,

including installing groundwater monitoring wells.

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None of the contamination requiring immediate

remediation was on the Railroad parcel.

In 1992, the Railroads filed an action against

B & B and certain of its principals for contribution for

costs incurred in the EPA-ordered cleanup. Four

years later, the Governments each filed CERCLA

actions against B & B, the Railroads, and Shell for

reimbursement of their investigation and cleanup

costs.° The district court consolidated the three cases

and, after a twenty-seven day bench trial, issued an

exceedingly detailed 185-page Findings of Fact and

Conclusions of Law, thereafter slightly amended.’

The district court found the Railroads liable as

owners of the Arvin facility and as persons who “at

the time of disposal of any hazardous substance

owned or operated any faciléty at which such

hazardous substances were disposed of.” § 9607(a)(1),

(2). Shell was held liable as a “person who...

arranged for disposal ... of hazardous substances.”

§ 9607(a\(3). Turning to whether the Railroads and

Shell were liable for all or only a portion of the

cleanup costs, the district court found that the harm

to the Arvin site was capable of apportionment and

proceeded to apportion it. The Railroads and Shell

had, by acknowledging no liability at all, taken what

the district court termed a “ ‘scorched earth,’ all-or-

nothing approach to liability,” and so provided little

assistance on the apportionment issue. The district

court nonetheless proceeded to “perform the equitable

* The relevant statutory sections covering contribution and

reimbursement actions, § 9613(f) and § 9607, are quoted later in

this opinion.

" Quotations from and discussion of the district court's ruling

in this opinion concern the district court's Amended Findings of

Fact and Conclusions of Law unless otherwise noted.

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apportionment analysis demanded by the circum-

stances of the case.”

For the Railroads, the court multiplied three

proportions: (1) the percentage of the overall site that

was owned by the Railroads, 19.1%;° (2) the

percentage of time that the Railroads leased the

parcel in relation to B & B’s total operations, 45%;°

and (3) the fraction of hazardous _ products

attributable to the Railroad parcel, 66%." This

calculation resulted in a determination of 6%

liability. Then, to account for any “calculation errors,”

the district court assumed 50% error and raised the

Railroads’ proportion of the total liability to 9%.

For Shell, the district court approximated the

percentages of leakage from various activities

attributable to Shell and multiplied them together to

set Shell’s proportion of the total liability at 6%."

Shell was also assigned, in the contribution action,

* 0.9 acres / 4.7 acres = 0.191 (19.1%).

°*B & B began operations in 1960. The Railroad parcel was

leased starting in 1975. In 1988, B & B ceased its operations at

Arvin. Thus, the Railroad parcel was part of the Arvin site for

13 of 29 years, or 45% of the time B & B opcrated the facility.

’ There were three pertinent chemicals: D-D, Nemagon, and

dinoseb. The district court found that although there was some

D-D contamination attributable to the Railroad parcel, that

“slight contamination is offset by the fact that the [Arvin] Site is

graded towards the southeast pond jon the B & B parcel] and

the levels of chemical contamination on the B & B parcel are

substantially higher than the reported detections on the

Railroad parcel.” On that reasoning, the district court removed

all D-D from the equation.

" B & B, albeit insolvent, was assigned 100% joint and

several liability.

9a

6% of the costs incurred by the Railroads in their

cleanup effort.”

DTSC and the EPA timely appealed the district

court’s judgment. Shell timely cross-appealed the

finding that it was liable as an “arranger” under

CERCLA.

II. Standards of Liability Under CERCLA

CERCLA was enacted in 1980 to provide for

effective responses to health and environmental

threats posed by hazardous waste sites. See generally

Mardan Corp. v. C.G.C. Music, Ltd., 804 F.2d 1454,

1455 (9th Cir.1986). Under CERCLA, state and

federal governments can first begin the cleanup of

toxic areas, see § 9604(a)-(d), and then sue potentially

responsible parties (PRPs) for reimbursement, see

§ 9607(a). A key purpose of this scheme is “shift[ing]

the cost of cleaning up environmental harm from the

taxpayers to the parties who benefited from the

disposal of the wastes that caused the harm.” EPA uv.

Sequa Corp. (In the Matter of Bell Petroleum Seruvs.,

Inc.), 3 F.3d 889, 897 (5th Cir.1993) (citing United

States v. Chem-Dyne Corp., 572 F.Supp. 802, 805-06

(S.D.Ohio 1983)).

In accord with this purpose, CERCLA creates a

system of strict liability. Under its provisions, parties

can be liable for cleaning up toxic chemicals if they fit

into one or more of the four PRP categories set out in

§ 9607(a):

(1) the owner and operator of ... a facility,

" The Railroads do not challenge the percentage of liability

assigned to Shell.

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(2) any person who at the time of disposal of any

hazardous substance owned or operated any

facility at which such hazardous substances

were disposed of,

(3) any person who by contract, agreement, or

otherwise arranged for disposal or treatment,

or arranged with a transporter for transport

for disposal or treatment, of hazardous

substances owned or possessed by such

person ..., and

(4) any person who accepts or accepted any

hazardous substances for transport’ to

disposal or treatment facilities....

A “facility” is defined in § 9601(9)(B) as “any site or

area where a hazardous substance has_ been

deposited, stored, disposed of, or placed, or otherwise

come to be located; but does not include any

consumer product in consumer use or any vessel.””

The statute’s basic liability provision, in turn,

provides that “subject only to the defenses set forth in

subsection (b) of this section [PRPs shall be liable

for|—(A) all costs of removal or remedial action

incurred by the United States Government or a State

or an Indian tribe not inconsistent with the national

contingency plan... .” § 9607(a). Thus, PRPs can be

responsible for the costs of cleaning up hazardous

waste sites without any finding that they were

negligent or that they caused the contamination,

" The district court found that the entire Arvin site, including

the Railroad parcel, was a single facility for the purposes of §

9607. The Railroads do not appeal that finding.

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unless they can establish the third-party defense set

out in § 9607(b)(3).“

A. Validity of Apportionment

CERCLA does not address the question whether,

as between PRPs who are liable for cleanup costs,

liability is joint and several—meaning that each PRP

responsible for all cleanup costs at a facility is liable

for such costs—or severable—meaning that cleanup

costs at a single facility can be apportioned among

PRPs on some basis.

In this circuit, liability is joint and several when

the harm is indivisible. Fireman’s Fund Ins. Co. v.

'* Section 9607(b) reads:

There shall be no liability under subsection (a) of this

section for a person otherwise liable who can establish by a

preponderance of the evidence that the release or threat of

release of a hazardous substance and the damages

resulting therefrom were caused solely by—

(3) an act or omission of a third party other than an

employee or agent of the defendant, or than one whose act

or omission occurs in connection with a _ contractual

relationship, existing directly or indirectly, with the

defendant (except where the sole contractual arrangement

arises from a published tariff and acceptance for carriage

by a common carrier by rail), if the defendant establishes

by a preponderance of the evidence that (a) he exercised

due care with respect to the hazardous substance

concerned, taking into consideration the characteristics of

such hazardous substance, in light of all relevant facts and

circumstances, and (b) he took precautions against

foreseeable acts or omissions of any such third party and

the consequences that could foreseeably result from such

acts or omissions.

(Emphasis added). Section 9607(b) also provides defenses

for “an act of God” and “an act of war.” § 9607(b)(1), (2).

12a

City of Lodi, 302 F.3d 928, 945 (9th Cir.2002); see

also Carson Harbor Vill., Ltd. v. Unocal Corp., 270

F.3d 863, 871 (9th Cir.2001) (en banc). Thus, a

defendant “may be held fully liable for the entire

clean-up costs at a site despite the fact that the

defendant PRP was in fact responsible for only a

fraction of the contamination.” Fireman’s Fund, 302

F.3d at 945.

We have also referred in general terms to the

possibility of apportioning liability. See id. (noting

the use of “federal common law principles” of ap-

portionment); Carson Harbor Vill., 270 F.3d at 871

(stating that once liability has been found, “the

defendant may avoid joint and severai liability by

establishing that it caused only a divisible portion of

the harm”). Yet, in none of our cases has there been

an actual dispute regarding whether liability should

be apportioned among the liable PRPs.” This case

squarely presents that question. To determine

whether the district court was correct to apportion

liability in this case, we thus must address, initially,

the general propriety of severability."" In line with

" The major cases addressing division of PRP liability under

CERCLA in the Ninth Circuit instead have been contribution

cases among PRPs, decided after joint liability was established,

see, e.g., Carson Harbor Vill., 270 F.3d at 871; Pinal Creek

Group v. Newmont Mining Corp., 118 F.3d 1298, 1301 (9th

Cir.1997), or have addressed a different issue entirely, see, e.z.,

Fireman’s Fund, 302 F.3d at 945 (analyzing the possibility that

CERCLA preempts state laws).

* DTSC argues that the apportionment question is not

properly before us because it was not properly raised in the

pretrial order, but we do not agree. To preserve a claim, a party

must put forward a position in the pretrial statement in a

manner sufficient to put the opposing party on notice and allow

the tral court to consider its merits. See Cripe v. City of San

Jose, 261 F.3d 877, 886 n. 9 (9th Cir.2001) (refusing to hold that

13a

every circuit that has addressed the issue, we hold

that apportionment is available at the liability stage.

In so ruling we rely, as have the other circuits that

have analyzed the issue, on a seminal case decided in

1983 in the Southern District of Ohio, Chem-Dyne.

After reviewing the evolution of the statute, Chem-

Dyne concluded that liability under § 9607(a) may be

joint and several even though the statute does not

expressly so provide. Chem-Dyne, 572 F.Supp. at

810. Suggesting that Congress intended to leave the

matter to the usual common law rules, adjusted to

CERCLA as necessary, Chem-Dyne held that courts

should look to the Restatement (Second) of Torts, as

well as to other sources of federal common law, for

the principles of joint and several liability applicable

under CERCLA. See id. at 809-10. Later, circuit court

cases endorsed this approach. See Chem-Nuclear

Sys., Inc. v. Bush, 292 F.3d 254, 259-60 (D.C.

Cir.2002); United States v. Hercules, Inc., 247 F.3d

defendants had waived an affirmative defense by mislabeling it,

because the court and plaintiffs were on notice of the real issue);

Arizona v. Components Inc., 66 F.3d 213, 217 (9th Cir.1995)

(noting that argument must be raised sufficiently for the court

to rule on it). Notice to the district court is not an issue in this

case, as the final decision addresses apportionment. While the

Governments claim to have been unaware that they needed to

address the apportionment issue, their assertion is not

supported by the record. Both the Railroads and Shell directly

addressed the apportionment issue in their pretrial orders. The

Railroads “den|lied] that they are jointly and severally liable for

the response costs claimed by the Government” but argued that,

if liable, they should only be responsible for that fraction of the

total mass of groundwater contamination proven to be traceable

to their parcel. Shell noted that joint and several liability is not

mandatory and cited cases regarding apportionment. As a

result, we conclude that the issue of apportioning liability was

not waived and is properly before us.

l4a

706, 717 (8th Cir.2001); United States v. Township of

Brighton, 153 F.3d 307, 318 (6th Cir.1998); Bell

Petroleum, 3 F.3d at 895-96;United States v. Alcan

Aluminum Corp. (Alcan-PAS), 990 F.2d 711, 721-22

(2d Cir.1993); United States v. Alcan Aluminum

Corp. (Alcan-Butler), 964 F.2d 252, 268-69 (3d

Cir.1992); United States v. Monsanto Co., 858 F.2d

160, 171-72 (4th Cir. 1988).

As Chem-Dyne persuasively recounts, the history

of § 107(a) of CERCLA, 42 U.S.C. § 9607(a), indicates

that although Congress declined to mandate joint

and several liability, it did not intend by doing so “a

rejection of joint and severable liability.” Chem-Dyne,

572 F.Supp. at 808. Instead, recognizing the dif-

ficulties inherent “ ‘in prescribing in statutory terms

liability standards which will be applicable in

individual cases,’ ” id. at 806 (quoting 126 CONG.

REC. S14964 (Nov. 24, 1980) (remarks of Sen.

Randolph)), Congress meant “to have the scope of

liability determined under common law principles,

where a court performing a case by case evaluation of

the complex factual scenarios associated .. . will

assess the propriety of applying joint and several

liability on an individual basis,” id. at 808.We agree

with this account of Congress’s intent and hold that

apportionment can be appropriate under CERCLA.

B. Standards for Apportionment

Because we hold that apportionment is available at

the liability stage in CERCLA cases, we must

determine the appropriate standards for determining

when apportionment is available and, when it is, how

to ascertain the proper division of damages among

defendants. Again, we draw on the experience of our

sister circuits.

15a

The circuits that have addressed these questions

have looked to common law principles of tort in

general, and the Restatement in particular, for

guidance as to when and how to impose joint and

several liability under § 9607(a). We agree that this

approach is proper and adopt it here. We also follow

Chem-Dyne and all of the courts of appeals that have

addressed the question in holding that the resulting

standard must be a uniform federal rule. See, e.g.,

Aviall Servs., Inc. v. Cooper Indus., Inc., 312 F.3d

677, 684 (5th Cir.2002) (holding that apportionment

of CERCLA liability “is . . . a matter of federal

common law”), reversed on other grounds by 543 U.S.

157, 125 S.Ct. 577, 160 L.Ed.2d 548 (2004); United

States v. Burlington N.R. Co., 200 F.3d 679, 697 (10th

Cir.1999) (same); Township of Brighton, 153 F.3d at

329 (same); Monsanto Co., 858 F.2d at 172 (same). As

Chem-Dyne noted, the legislative history of CERCLA

supports such an approach, as does its policy favoring

national uniformity so as to discourage “illegal

dumping in states with lax liability laws.” Chem-

Dyne, 572 F.Supp. at 809."

" The parties here have assumed that the apportionment

standard must be one of uniform federal common law. As stated

above, every federal circuit to address the issue, including those

decided after O'Melveny & Myers v. FDIC, 512 U.S. 79, 114

S.Ct. 2048, 129 L.Ed.2d 67 (1994), and Atherton v. FDIC, 519

U.S. 213, 117 S.Ct. 666, 136 L.Ed.2d 656 (1997), has shared that

understanding. Although Atchison, Topeka & Santa Fe Ry. Co.

v. Brown & Bryant, Inc., 159 F.3d 358, 362-64 (9th Cir.1997),

questioned whether O'Melveny & Myers and Atherton upset

Ninth Circuit law with regard to the adoption of uniform federal

common law regarding successor liability under CERCLA, very

different considerations govern with respect to apportionment.

In Atchison, resolution of the question of successor liability

would resolve who was liable under CERLA, an inquiry with

roots in state corporate law. Here, the inquiry diverges from

16a

The question, then, is what the uniform federal law

should be. Once again, all the circuits that have

addressed this question have followed Chem-Dyne,

holding that the appropriate starting point for a

common law rule of apportionment applicable to

CERCLA cases is Section 433A of the Restatement of

Torts. See Hercules, 247 F.3d at 716 & n. 9, 717

(noting that courts support the divisibility doctrine as

borrowed from the Restatement); Bell Petroleum, 3

F.3d at 895 (relying on the Restatement); Chem-

Dyne, 572 F.Supp. at 810 (establishing this method).

We agree that harm may be apportioned when “there

exists a reasonable basis for divisibility” of a single

harm or when several] “distinct harms” are present.

Hercules, 247 F.3d at 717."

Because CERCLA’s statutory liability scheme dif-

fers from the common law in important respects,

state law completely. As we explain in this section, the reach of

CERCLA liability is sui generis, so there is no state law directly

applicable. The resulting apportionment analysis therefore

requires a similarly unique set of considerations, married to the

statute's functions and purpose.

'* We of course agree with our sister circuits that, if adequate

information is available, divisibility may be established by

“volumetric, chronological, or other types of evidence,”Hercules,

247 F.3d at 719 (citing Bell Petroleum, 3 F.3d at 895-96),

including appropriate geographic considerations, see United

States v. Township of Brighton (“Brighton II ”), 282 F.3d at 919-

20 (6th Cir.2002); Bell Petroleum, 3 F.3d at 903-04. We hold only

that, in this case, Shell and the Railroads failed to shuw that

“expert testimony and other evidence establishes a factual basis

for making a reasonable estimate that will fairly apportion

liability.” Bell Petroleum, 3 F.3d at 903. “[A}Jpproaches to divis-

ibility will vary tremendously depending on the facts and

circumstances of each case,” Hercules, 247 F.3d at 717, and

approaches that were inappropriate or inadequately supported

in this case may be available in other circumstances.

17a

however, our sister circuits have recognized that its

principles must be somewhat modified to fit the

CERCLA context. See, e.g., Bell Petroleum, 3 F.3d at

902 (“Restatement principles must be adapted, where

necessary, to implement congressional intent with

respect to liability under the unique statutory scheme

of CERCLA.”); Hercules, 247 F.3d at 717 (The Re-

statement is “the starting point ... . [but] only to the

extent that it is compatible with the provisions of

CERCLA.”). We concur in this general conclusion and

acknowledge, in particular, that there are two areas

where the Restatement approach is a somewhat poor

fit and requires slight modifications to ensure that its

approach comports with the liability and remediation

scheme of CERCLA. First, as we describe infra, there

are important distinctions between causation as

conceived in the Restatement and causation in the

context of CERCLA. Unlike the Restatement’s com-

mon law causation, CERCLA affixes liability based

upon its PRP provisions, which define classes of

liable parties based upon a party’s statutorily-defined

nexus to the contaminated site. And second, the

concept of “harm” in the Restatement as actual injury

does not correspond easily to CERCLA’s priorities.

Contamination and the cost of remediation are both

relevant for the “harm” analysis under CERCLA.

Finally, we _ recognize that the Restatement’s

emphasis on objective considerations to determine

whether apportionment is justified in a given case

comports with CERCLA’s strict liability scheme.

Equitable considerations may play a role in a later

contribution action amongst liable parties, but not in

an action such as this where the only relevant issue

is whether there is a reasonable basis, founded in

record evidence, to apportion damages amongst

defendants.

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1. Causation

Section 433A of the Restatement allows for ap-

portionment of damages where “(a) there are distinct

harms,’ or (b) there is a reasonable basis for de-

termining the contribution of each cause to a single

harm.” “ RESTATEMENT (SECOND) OF TORTS

§ 433A(1) (1965) (emphasis added). CERCLA, how-

ever, does not require causation as a prerequisite to

" Comment b of section 433A notes:

Distinct harms. There are other results which, by their

nature, are more capable of apportionment. If two

defendants independently shoot the plaintiff at the same

time, and one wounds him in the arm and the other in the

leg, the ultimate result may be a badly damaged plaintiff

in the hospital, but it is still possible, as a logical,

reasonable, and practical matter, to regard the two wounds

as separate injuries, and as distinct wrongs. The mere

coincidence in time does not make the two wounds a single

harm, or the conduct of the two defendants one tort. There

may be difficulty in the apportionment of some elements of

damages, such as the pain and suffering resulting from the

two wounds, or the medical expenses, but this does not

mean that one defendant must be liable for the distinct

harm inflicted by the other.

* Comment d of section 433A notes:

Divisible harm. There are other kinds of harm which,

while not so clearly marked out as severable into distinct

parts, are still capable of division upon a reasonable and

rational basis, and of fair apportionment among the causes

responsible. Thus where the cattle of two or more owners

trespass upon the plaintiff's land and destroy his crop, the

aggregate harm is a lost crop, but it may nevertheless be

apportioned among the owners of the cattle, on the basis of

the number owned by each, and the reasonable assumption

that the respective harm done is proportionate to that

number. Where such apportionment can be made without

injustice to any of the parties, the court may require it to

be made.

19a

liability (except with regard to the _ third-party

defense, see § 9607(b), not at issue here). None-

theless, most of the leading cases on joint and several

liability under CERCLA have addressed divisibility

under § 433A(1)(b).” See, e.g., Bell Petroleum, 3 F.3d

at 902-03; Monsanto, 858 F.2d at 172; Chem-Dyne,

572 F.Supp. at 810.

Notably, these cases often dealt with simpler facts

than those we confront. Chem-Dyne, for instance,

assumed a case quite different from this one. There,

the court stated that “[t]ypically . . . there will be

numerous hazardous substance’ generators. or

transporters who have disposed of wastes at a

particular site.” 572 F.Supp. at 810. It was in that

context-that is, where the question was appor-

tionment among defendants who all disposed of

wastes themselves-that Chem-Dyne determined that

courts could follow the divisibility principles of the

Restatement and remain true to CERCLA. In a

situation in which the several defendants are all

polluters themselves, divisibility under the Restate-

ment standard is indeed a relatively straightforward

analysis, and one in which traditional causation

concepts are useful. If the court can estimate with

* The sections of the Restatement that courts have used to

establish the rules of joint and several liability under CERCLA

are found in the negligence division of the Restatement. As

these courts recognize, CERCLA is a strict liability statute. See,

e.g., Hercules, 247 F.3d at 716; Township of Brighton, 153 F.3d

at 318. Because there is no comparable divisibility rule in the

strict liability portion of the Second Restatement, courts have

adapted the negligence rules to strict liability by declining to

rely on the portion of the Restatement section that places an

initial burden as to causation on the plaintiff. Compare

Hercules, 247 F.3d at 717, and Bell Petroleum, 3 F.3d at 896,

with RESTATEMENT (SECOND) OF TORTS 8 433B(1).

20a

some confidence the amount of waste that each

defendant disposed of and has a basis for deter-

mining that the extent of contamination of the site is

proportional to the amount of waste disposed of, then

the Restatement approach to apportionment works

nicely.

The situation here is different.” The three

“responsible” parties are: the now-insolvent majority

owner and operator of the site; the mostly absentee

landlord of a portion of the site; and a seller of

chemicals shipped to and stored at the site. Each

party had an entirely different role in the

contamination process, with overlapping effects, and

not all “caused” contamination in any meaningful

sense.

Most notably, PRP status premised on ownership

of a facility does not require any involvement in the

disposal of hazardous substances. Thus, to speak of a

PRP “causing” contamination of its land simply by

owning land on which someone else disposes of

hazardous wastes is to indulge in metaphor. At the

same time, to allow CERCLA defendants, especially

landowner PRPs, to prove through traditional

causation analysis that they were not entirely liable

would be to undermine the premise on which the

statute designated them as PRPs to begin with.

CERCLA requires a connection—for example, that

the PRP be a landowner “at the time of disposal,” see

“ One commentator has noted that trying to apply the

Restatement to CERCLA in most cases is like “pushing a round

peg through a square hole. Traditional tort law principles falter

in the CERCLA context because CERCLA is so unlike a typical

tort law cause of action.” Lynda J. Oswald, New Directions in

Joint and Several Liability Under CERCLA?, 28 U.C. DAVIS L.

REV. 299, 360 (1995).

2la

§ 9607(a)(2)—but no further causation. The statute

thus departs from Restatement principles by abjuring

the traditional “causation” principles in favor of a

nexus concept defined by its PRP provisions. Where,

as here, the pertinent PRP status is as landowner,

the landowner can establish divisibility by dem-

onstrating a reasonable basis for concluding that a

certain proportion of the contamination did not

originate on the portion of the facility that the

landowner owned at the time of the disposal. The

arranger nexus is more straightforward, with a focus

not on ownership of the facility but rather on the

relevant, arranged disposals in light of other

contamination at the facility.

2. Harm

A second difficulty that results from relying on tort

principles in a scheme not based on tort law concerns

the application of the term “harm,” used in the

Restatement, as applied to CERCLA. See RESTATE-

MENT (SECOND) OF TORTS § 433A. The CERCLA

cost recovery section does not focus on “harm,” but

rather on “costs of removal or remedial action” and

“necessary costs of response.”” § 9607(a). Thus, when

applying the Restatement in the context of CERCLA,

the question becomes: What is the “harm” that we are

attempting to divide?

There are three possible kinds of “harm” in actions

for remediation costs under CERCLA: the initial

disposal, the resulting contamination, and the costs

* The statute also mentions “damages for injury to,

destruction of, or loss of natural resources” and “costs of any

health assessment or health effects study.” § 9607(a)(C), (D).

These provisions may be informative with regard to the nature

of the harm in other cases but are not here applicable.

22a

of remediating the contamination. Actual injury to

individuals or to property, the usual “harms” in a tort

suit, are not a pertinent consideration; the statute is

concerned with averting future injury by remediating

contamination, not with compensation for past

injuries.

If the harm were the disposal, then divisibility

based on volume of discharge by operators or by

parcel would always make sense, because disposal

occurs in specific amounts at specific places. If the

harm were contamination, then some attempt would

have to be made either to justify a direct correlation

between disposal and contamination under the

specific circumstances or to separate out the leakage

that remained as contamination from leakage that

either evaporated, was adequately diluted, or for

other reasons did not remain on the property in toxic

form.” If the harm is the cost of remediation, then

divisibility would have to be based on the pro rata

cost of cleaning up each defendant’s contribution to

the contamination. That pro rata cost will sometimes

differ from the proportion of contamination caused by

each defendant, because the cost of removing con-

tamination can vary with geographical considera-

tions, degree of toxicity, the means of extraction used

for different toxic substances, or other factors.

In light of a CERCLA liability suit’s central

purpose—recovering the cost of eradicating con-

tamination—we conclude that it is most useful for

“In many instances, of course—as in Chem-Dyne—the

various polluters will dispose of the same substance in the same

location, so there will be a basis for assuming that each

polluter's pro rata share of the hazardous waste disposed of and

of the resulting contamination is the same. See also Bell

Petroleum, 3 F.3d at 903.

23a

purposes of determining divisibility to view the

“harm” under CERCLA as the contamination trace-

able to each defendant. Disposal itself is not the focus

of the statute, unless it results in contamination. And

the cost of cleaning up the contamination is most

analogous to the damages recovered in a tort suit, not

to the injury on which liability is based.”

3. Equity

Because this case is one in which the harms are not

distinct, apportionment must be under Restatement

§ 433A(1)(b) if it is to be allowed at all. That is, there

must be a reasonable basis for determining the

contribution of each PRP to the harm. While nothing

in the statute directly addresses the question

whether equitable factors are appropriate for pur-

poses of apportioning liability among joint tort-

feasors, all the other circuits that have addressed the

issue have held that they are not. We again follow

their lead.

In so holding, we begin from the fundamental

difference between apportionment and contribution.

Apportionment, which is the relevant question in this

case, looks to whether defendants may avoid joint

and several liability by establishing a fixed amount of

damage for which they are liable. Section 433A of the

Restatement speaks to this issue. Contribution is a

* The cost of cleanup of different toxic substances or in

different areas of the facility will often be a useful measure of

the proportion of the pertinent contamination allocable to each

defendant. That cost will depend upon factors such as which

contamination was serious enough to merit remediation and

how thoroughly the soil was contaminated in varicus areas.

Thus, the “harm” allocation analysis may in some instances

usefully focus initially on the proportion of costs associated with

remedying various aspects of the contamination.

24a

distinct concept. If there is insufficient evidence to

support apportionment, jointly and severally liable

PRPs may still seek to recover from each other in a

later contribution action. See, e.g., RESTATEMENT

(THIRD) OF TORTS § 23(a) (2000) (“When two or

more persons are or may be liable for the same harm

and one of them discharges the liability of another by

settlement or discharge of judgment, the person

discharging the liability is entitled to recover con-

tribution from the other, unless the other previously

had a valid settlement and release from the plain-

tiff.”). As we explain below, CERCLA permits

equitable considerations to be taken into account in a

contribution action amongst PRPs, but CERCLA’s

strict liability scheme does not permit equitable

considerations to have any bearing in an action to

determine whether defendants have presented suf-

ficient evidence to apportion liability.

Section 9613(f), added to CERCLA in 1986,

provides for contribution actions among PRPs once

liability to the plaintiffs has been determined. That

provision describes, quite generally, the considera-

tions applicable in a contribution action for deter-

mining whether one PRP can collect from another a

portion of the costs for which it has been held liable:

“In resolving contribution claims, the court may

allocate response costs among liable parties using

such equitable factors as the court determines are

appropriate.” § 9613(f) (emphasis added).” In con-

* Among the equitable factors used in CERCLA contribution

cases are the so-called “Gore factors.” See Hercules, 247 F.3d at

718. Those factors are derived from the amendment that then-

Representative Gore introduced in 1980 to alleviate the

harshness of mandatory apportionment, which at that time was

a part of the bill. See 126 CONG. REC. 26782 (1980) (statement

of Rep. Gore). Although these factors are appropriate in

25a

trast, CERCLA contains no provision explicitly

providing for initial apportionment of liability. And

§ 433A(1\(b) of the Restatement and the appended

commentary concerning divisibility are silent as to

equitable considerations.” As noted, this circuit

heretofore has not addressed divisibility analysis.

But the implication from our cases deciding § 9613(f)

contribution issues is that the proper time to focus on

such factors is at the contribution phase, not the

liability phase. See, e.g., Carson Harbor Vill., 270

F.3d at 871 (noting that the “contribution provision

aims to avoid a variety of scenarios by which a

comparatively innocent PRP might be on the hook for

the entirety of a large cleanup bill”); Pinal Creek, 118

F.3d at 1301 (“A PRP’s contribution liability will

correspond to that party’s equitable share of the total

liability and will not be joint and several.”).

Other circuits have been careful to delineate the

difference between the equitable considerations perti-

nent to contribution under § 9613(f) and the objec-

tive considerations pertinent to divisibility under

§ 9607(a). See Hercules, 247 F.3d at 718; Township of

Brighton, 153 F.3d at 318; Bell Petroleum, 3 F.3d at

901. As the Sixth Circuit has noted, divisibility

contribution cases, they are not, for the reasons discussed in the

text, appropriate considerations at the liability stage.

* The only mention of equity in Restatement § 433A is in

comment h, regarding “le]xceptional cases.” Comment h

suggests that in cases of insolvent defendants, when an

“innocent plaintiff would be forced to bear the share of the loss

due to the defendant from whom he could not collect damages,”

courts may refuse to allocate harm to avoid “injustice to the

plaintiff.” Because we determine that there is no reasonable

basis for apportioning the defendants’ harm, we do not reach the

question of whether the considerations of comment h are

applicable here.

26a

analysis, unless carefully limited, has the potential to

eviscerate the strict liability principles of CERCLA

entirely, “because defendants who can show that the

harm is divisible, and that they are not responsible

for any of the harm” could whittle their liability

to zero. Township of Brighton, 153 F.3d at 318.

Additionally, as Township of Brighton also noted in

rejecting a fairness-based approach, divisibility

analysis is not an invitation to “split the difference”

and come up with a “compromise amount.” Jd. at 319.

While it may seem unfair to hold a partial owner

liable for all of the contamination cleanup costs,

that perceived unfairness is the result of CERCLA’s

expansive statutory liability scheme. Assuring fair-

ness among PRPs is the proper subject of the

contribution stage, not of apportionment at the

liability stage. See United States v. Rohm & Haas

Co., 2 F.3d 1265, 1280-81 (3d Cir.1993), overruled on

other grounds by United States v. E.]. DuPont De

Nemours & Co., 432 F.3d 161, 162-63 (3d Cir.2005)

(en banc). At the liability stage, CERCLA simply

assigns liability to statutorily responsible parties so

as to assure that, as between those with some

connection to the contamination—and who have, it

may be assumed, benefited from the contamination-

causing process—and those with none, such as the

taxpayers. Any court-created structure that would

allow PRPs to whittle their share to little or nothing

and leave the taxpayers holding the bag may seem

more equitable to some PRPs but would violate the

basic structure of the CERCLA statutory scheme.

Because of such concerns, courts have generally re-

frained from using an equity-based allocation anal-

ysis, so as not to weaken further the strict liability

principle basic to CERCLA.

27a

We agree that while joint and several liability need

not be universally applied, see Bell Petroleum, 3 F.3d

at 897, the inquiry as to whether such liability is

appropriate must focus strictly on whether there is a

reasonable basis for apportionment, see, e.g., id. at

901-04. Consequently, in an action under § 9607(a), a

court is not to look to equitable considerations, such

as relative fault, in determining whether liability is

to be joint and several or apportioned.

III. Analysis of Railroads’ and Shell’s CERCLA

Liability

We now proceed to apply these fairly straight-

forward principles to the circumstances of this case.

Here, the Railroads were found to be PRPs under

§ 9607(a)(2), as the owners of a “facility at which . . .

hazardous substances were disposed of,” and Shell

was found to be a PRP under § 9607(a)(3), as a person

who “arranged for disposal . . . of hazardous sub-

stances owned or possessed by such person.” The first

question we address is whether the Railroads and

Shell are liable for all the cleanup costs at the Arvin

site, or, as the district court held, only some of them.

The second question, addressed later, is whether

Shell is liable for any of the harm, as an “arranger.”

A. Apportionment of Liability

1. Standard of Review and Burden of Proof

Because we have not heretofore faced a CERCLA

apportionment issue directly, there is no Ninth

Circuit precedent concerning the standard of appel-

late review for such an issue. Three circuits have

addressed the question, and two separate approaches

have emerged.

28a

The Fifth and Eighth Circuits look first to whether

there is a reasonable basis for apportioning the harm,

an inquiry they consider a question of law reviewed

de novo. See Hercules, 247 F.3d at 718-19; Bell

Petroleum, 3 F.3d at 896, 902. These two circuits then

examine, as a question of fact reviewed under the

clearly erroneous standard, precisely how damages

are to be divided. See Hercules, 247 F.3d at 718

(holding that “actual apportionment” of damages is a

question of fact); Bell Petroleum, 3 F.3d at 896

(same).

In contrast, the Sixth Circuit considers divisibility

as a whole a factual matter of causation, reviewed

entirely under the clearly erroneous’ standard.

Township of Brighton, 153 F.3d at 318 n. 13. This

view, however, disregards a distinction between

conceptual divisibility and actual allocation that we

find both persuasive and useful. The latter inquiry

can involve the resolution of credibility issues and of

conflicting evidence, while the former ordinarily does

not.

We believe the most appropriate approach, and the

one we therefore adopt here, is the one adopted in

Hercules and Bell Petroleum, with a retinement

suggested by Judge Parkers dissent in Bel/

Petroleum. Judge Parker thought that the majority

confused the distinction between the “legal burden

that the single harm at isswe caused is of a type

capable of apportionment, and the factual burden of

proving the amount of harm attributable to a

particular party.” Bell Petroleum, 3 F.3d at 909

(Parker, J., concurring in part and dissenting in

part). We are not swre that there was any such

confusion. Rather, an aspect of clear error review is

the legal determination whether the party with the

29a

burden of proof met that burden; if the party did not

and the district court nonetheless ruled for it, then

the district court clearly erred. See Lloyd v. Schlag,

884 F.2d 409, 415 (9th Cir.1989) (reviewing “whether

the district court committed clear error by holding

that [plaintiff] had not met his burden of proof”).

Thus, although the harm may be capable of appor-

tionment, the harm may not actually be apportion-

able in the particular case as a factual matter, given

the evidence produced, because the party advocating

apportionment has not come forward with the

minimum showing needed to meet its burden of proof

as to the proper division of liability.

We therefore proceed as follows: We inquire, first,

whether the particular harm at issue in the case is

theoretically capable of apportionment—i.e., whether

it could ever be apportioned or whether it is, by

nature, too unified for apportionment. That question

is one of law, reviewed de novo. Cf. Taisho Marine &

Fire Ins. Co. v. M/V Sea-Land Endurance, 815 F.2d

1270, 1274 (9th Cir.1987). Second, we review for clear

error whether the defendant submitted evidence

sufficient to establish a reasonable basis for the

apportionment of liability, taking into account that

the burden of proof is on the party seeking allocation,

as well as the district court’s actual division of

liability.

There is no dispute here on the first, purely legal

question—whether the harm is capable of apportion-

ment. See Bell Petroleum, 3 F.3d at 896; Chem-Dyne,

572 F.Supp. at 810. Some of the contamination on the

B & B site occurred before the Railroads’ parce!

became part of the facility. Only some of the texic

substances were stored on the Railroads’ parcel, and

only some of the water on the facility washed over the

30a

Railroads’ site. As to Shell, only some of the toxic

substances spilled on the facility were sold by the

company. The different toxic substances vary in their

likelihood to leak and in the manner and speed in

which they disseminate in ground water. So, con-

ceptually, the contamination traceable to the Rail-

roads and Shell, with adequate information, would be

allocable, as would be the cost of cleaning up that

contamination.

The questions, then, are whether the district court

clearly erred in finding that the Railroads and Shell

established a “reasonable basis” for apportionment,

Bell Petroleum, 3 F.3d at 901, and whether, having so

found, the district court properly apportioned the

harm.

We recognize that the district court at one point

stated that the Railroads failed to “meet their burden

of proof” as to divisibilitv. But its overall ruling was

necessarily to the contrary, as the court also stated

that it “independently found [in the record] a

reasonable basis for apportionment in spite of the

parties[’]} presentations.” Thus, while the district

court rejected both defendants’ theories as _ to

divisibility, it used record evidence it found

persuasive to determine apportionment. Whether the

district court was correct in this regard is, as we have

neted, part of the review of the factual decision

regarding apportionment, discussed hereafter. The

burden of proof issue thus melds with the merits of

the apportionment issue, rather than barring us from

considering it.

2. The Railroads

As we have established, if apportionment is to be

allowed under the Restatement approach, there must

3la

be a reasonable basis for calculating the connection

between the Railroads’ PRP status and the relevant

harms. Again, the harm we consider is the con-

tamination on the Arvin site. Where, as for the

Railroads, the PRPs’ responsibility under the statute

derives solely from their status as landowner, the

PRPs can establish divisibility by demonstrating that

discrete portions of the contamination did not

originate on land they owned at the time of the toxic

disposal.

Here, the district court’s severability analysis—

after 191 pages of an amended opinion that included

over 80 pages of factual findings—ultimately relied

on the simplest of considerations: percentages of land

area, time of ownership, and types of hazardous

products. Although we do not fault the district court’s

factfinding—its numbers are mostly correct—its legal

conclusion that these three factors alone suffice to

support apportionment cannot stand.” We address

each factor below to show why.

a. Land Area

The only court of appeals case that has fully

addressed divisibility of landowner liability takes a

relatively strict approach to apportionment on the

basis of land area. In United States v. Rohm and

Haas Co., 2 F.3d 1265 (3d Cir.1993), the most

* We emphasize that our conclusion does not rest simply on

the faet that the distmet court's calculation of the Railroads’

share of liability was, as the court recognized, “rough| |.” It is

neither unusual nor fatal to the validity of the resulting

allocation that an apportionment determination includes

estimates of contribution to contamination based on

extrapolation of record facts, as long as the basis for the

extrapolation is explained, is logical, and does not disregard

other record facts

32a

analogous CERCLA divisibility case to this one, the

Third Circuit held, as do we, that “simply showing

that one owns only a portion of the facility in

question is [not] sufficient to warrant apportion-

ment.” Jd. at 1280.

Like this case, Rohm and Haas concerned a

landowner PRP and changes in landownership over

time. Although the Third Circuit’s divisibility

analysis is fairly cursory, its reluctance to apportion

landowner liability on the basis of land boundaries is

informative. Rohm and Haas indicates that the mere

percentage of land owned by one PRP relative to the

entire facility cannot alone be a basis for appor-

tionment, as it does not provide a minimally reliable

basis for tracing the proportion of leakage, con-

tamination, or cleanup costs associated with the

entire parcel.

Contrary to Rohm and Haas, the district court’s

analysis gave star billing to the percentage of land

ownership, even in a unified facility.” We agree with

Rohm and Haas that this approach, seemingly

straightforward though it is, fais in most cir-

cumstances to comport with the “reasonable basis”

test, as the facts of this case illustrate.

The Arvin site was a single facility. CERCLA

premises landowner liability on ownership of a

facility, not on ownership of a certain parcel of land

that is part of a facility. The operations on the site

~ Judge Moore, concurring in the result in Township of

Brighton, asserted that a court can never apportion liability for

contamination at a single facility on the basis of geography.

Township of Brighton, 153 F.3d at 331 n. 12 (Moore, J.,

concurring in result). We do not agree with Judge Moore in this

regard.

33a

were dynamic, with fertilizer rigs stored on the

Railroad parcel and filled up on the B & B parcel.

Empty pesticide cans were stored on the Railroad

parcel before they were crushed and disposed of.

After the 1978 windstorm, tanks were stored all over

the facility, including on the Railroad parcel. A

simple calculation of land ownership does not capture

any data that reflect this dynamic, unitary operation

of the single Arvin facility.”

In addition, the synergistic use of different parts of

the Arvin site makes division based on percentage of

land ownership particularly untenable. The record

shows that B & B leased the Railroad parcel to

accommodate its expanding operations. The Railroad

parcel added an unquantifiable and perhaps ex-

ponential amount to B & B’s soil contamination.

Were the Railroad parcel not part of the facility,

there would have been less overall storage capacity.

One can assume that a smaller amount of toxic

chemicals would have been delivered to, and spilled

on, the Arvin site. The fertilizer rigs, for example,

were stored almost exclusively on the Railroad

parcel. Had that parcel not been available, less

fertilizer might have been delivered to—and leaked

onto—the Arvin parcel. As these descriptions sug-

gest, nothing in the record supports a conclusion that

the leakage of contaminants that ended up on the B

* In its discussion of the Railroads’ apportioned liability, the

district court found that B & B used the Railroad parcel as part

of its total agricultural-chemical operations, and it earlier cited

approvingly to documents describing the land as ‘an integral

part of the adjacent farm chemical distribution facility.” The

dissent from denial of rehearing en banc therefore wrongly

characterizes our description of the site as “appellate fact-

finding.” See Dissent at 958-60.

34a

& B parcel occurred on each parcel in proportion to

its size.

Instead, given the circumstances of this case, more

pertinent comparisons would be the proportion of the

amount of chemicals stored, poured from one

container to another, or spilled on each parcel. For

example, were adequate records kept, it would be

possible to estimate the amount of leakage

attributable to activities on the Railroad parcel, how

that leakage traveled to and contaminated the soil

and groundwater under the Arvin parcel, and the

cost of cleaning up that contamination.

But none of this data is in the record. It may well

be that such information is, as a practical matter, not

available for periods long in the past, when future

environmental cleanup was not contemplated. Unlike

records concerning the amount of toxic chemicals

produced by a given operator of a facility, records

that separate out, with any precision, the amount of

toxic chemicals stored on one part of a facility as

opposed to another weuld have had little utility to B

& B, the operator «* the facility, and none to the

Railroads, the owner of the parcel. This observation

is true in spades for the more directly pertinent data,

such as the amount of leakage on the Railroad parcel,

the amount of that leakage that flowed onto the B &

B parcel, and the amount of that residue that

remained as contamination under the B & B parcel

when the cleanup began.

So the failure to keep these records is quite

understandable. But these practical considerations

cannot justify a “meat-axe” approach to the divis-

ibility issue, premised on _ percentages of land

ownership, aS a means of adjusting for the difficulties

of proving divisibility with precision when PRP

35a

status is based on land ownership alone. Such an

approach would be tantamount to a disagreement

with the imposition of no-fault land ownership

liability. Congress, however, created precisely such

liability, placing the responsibility to pay for

environmental cleanup on parties, such as the

Railroads, that profited from the circumstances

giving rise to the contamination so that the taxpayers

are not left holding the tab. The risk of lack of

adequate information for meaningful division of harm

therefore must rest on the responsible parties, even

when that information is extremely hard to come by.

b. Period of Ownership

Just as the district court’s land area calculations

did not correspond to the harms in this case, its

simple fraction based on the time that the Railroads

owned the land cannot be a basis for apportionment.

The fraction it chose assumes constant leakage on

the facility as a whole or constant contamination

traceable to the facility as a whole for each time

period; no evidence suggests that to be the case.

Again, if adequate information were available, it

would make sense to eliminate the Railroads’ liability

for the period before B & B leased the Railroad

parcel. See, e.g., Rohm and Haas, 2 F.3d at 1280. The

evidentiary vacuum concerning the amount of

contamination traceable to the pre-lease period,

however, precludes any such calculation here.

c. Types of Hazardous Products

While many of the district court’s calculations were

factually correct but legally insufficient, its decision

to assign a two-thirds fraction to represent the

present types of hazardous products contains a basic

factual error. All three chemicals were on _ the

36a

Railroad parcel at some time. There is no evidence as

to which chemicals spilled on the parcel, where on

the parcel they spilled, or when they spilled. Yet,

there is evidence that there may well have been

leakage on the Railroad parcel of D-D, the chemical

the district court excluded from its calculations.

Given the record, the district court clearly erred in its

attempt te rely on the proportion of hazardous

products present on the Railroad parcel.

d. Conclusion

It will often be the case that a landowner PRP will

not be able to prove in any detail the degree of

contamination traceable to activities on its land. A

landowner PRP need not be involved at all in the

disposal of hazardous chemicals and so will often

have no information concerning that disposal or its

impact. The net result of our approach _ to

apportionment of liability, consequently, may be that

landowner PRPs, who typically have the least direct

involvement in generating the contamination, will be

the least able to prove divisibility. And contribution

“is not a complete panacea since it frequently will be

difficult for defendants to locate a sufficient number

of additional, solvent parties.” O’Neii v. Picillo, 883

F.2d 176, 179 (1st Cir.1989).

While the result may appear to fault a landowner

PRP for failing to keep records proving the minor

connection of its land to the contamination on the

facility as a whole, CERCLA is not a statute

concerned with allocation of fault. Instead, CERCLA

seeks to distribute economic burdens. Joint and

several liability. even for PRPs with a minor con-

nection to the contaminated facility, is the norm,

designed to assure, as far as possible, that some

entity with connection to the contamination picks up

37a

the tab. Apportionment is the exception, available

only in those circumstances in which adequate

records were kept and the harm is meaningfully

divisible.

In sum, although most of the numbers the district

court used were sufficiently exact, they bore

insufficient logical connection to the _ pertinent

question: What part of the contaminants found on the

Arvin parcel were attributable to the presence of

toxic substances or to activities on the Railroad

parcel? We therefore reject the district court’s

apportionment calculation and hold that’ the

Railroads have failed to prove any reasonable basis

for apportioning liability for the costs of remediation.

3. Shell

Shell’s contribution to the contamination of the

Arvin site is easier to isolate than that of the

Railroads’, as it involved ascertainable pollutants

entering the soil in a specific way. Sh» thus had a

greater prospect of succeeding on divisibility than did

the Railroads, as there is some volumetric basis for

comparing its contribution to the total volume of

contamination on the Arvin site.

Nonetheless, the evidence actually produced was

insufficient to allow even a rough approximation of

the contamination remaining on the facility, cither

directly or through the presumption that the pro rata

cost of remediating contamination is likely to be

equivalent to a PRP’s pro rata share of contam-

ination. Indeed, Shell produced only evidence con-

cerning leakage.

Such leakage or disposal evidence cannot suffice in

the present circumstances as a basis for apportioning

the harm in question. As we have explained,

38a

contamination—as distinct from leakage—is the

necessary consideration. Where there is disposal of

multiple contaminants, courts have demanded a

“showing [of] a relationship between waste volume,

the release of hazardous substances, and the harm at

the site.” Monsanto, 858 F.2d at 172. Factors such as

“relative toxicity, migratory potential, and synergistic

capacity of the hazardous substances” are relevant to

demonstrating this relationship. Jd. at 172 n. 26.

Alternatively, volumetric calculations of contami-

nating chemicals—those remaining in the environ-

ment and requiring cleanup—could be sufficiently

specific for apportionment. See Hercules, 247 F.3d at

719; Bell Petroleum, 3 F.3d at 903. But Shell provided

no evidence regarding such factors. It thus failed to

prove whether its leaked chemicals contaminated the

soil in any specific proportion as compared to other

chemicals spilled at the site. See United States v.

Agway, Inc., 193 F.Supp.2d 545, 549 (N.D.N.Y.2002)

(noting that defendants whose products have become

commingled in the soil “face an uphill battie in

attempting to demonstrate that volumetric contribu-

tion is a reasonable basis for apportioning liability of

a single harm”).

To fill these evidentiary gaps, the district court

assumed equal contamination and cleanup cost from

all the chemicals’ leakage. This methodology entirely

failed to account for the possibility that leakage of

one chemical might contribute to more contamination

than leakage of another, because of their specific

physical properties. Similarly, the cost of cleanup

depends upon which contaminants are present; some

contaminants are more expensive than others to

extract from the soil.

39a

Moreover, even as an approximation of leakage, the

district court’s calculations were too speculative to

support apportionment. Chem-Nuclear is informative

in this regard. In Chem-Nuclear, the defendant

disposed of drums of hazardous waste at several

facilities. 292 F.3d at 255. At least eighty drums

found at a single site were attributable to the

defendant. Id. The defendant could not prove,

however, that it was responsible only for those eighty

drums, and therefore was not entitled to ap-

portionment. Jd. at-259-61. Although the defendant

provided evidence supporting inferences regarding

where its drums went, the court refused to accept

these inferences as sufficient proof. Jd. at 260.

Here, the court estimated the volume of Shell’s

chemicals that leaked from each transfer based on

data samples that do not readily extrapolate to total

leakage over the entire twenty three-year period that

Shell supplied B & B with D-D. The court used

figures from only six years of B & B’s purchases of

Shell D-D to calculate the average D-D transferred at

the Arvin site each year, yet provided no basis for

assuming equal purchases each year. The court then

based its estimate of the amount of D-D spilled

during each transfer on guesses by witnesses.” Also,

although D-D was known to leak when sight gauges

on D-D rigs broke, the court had no evidence of how

much D-D leaked under these circumstances and,

therefore, did not add any quantity for sight gauge

leakage into the calculation. Even if each of these

” For the quantity of D-D that spilled during transfer from

Shell's carners’ trucks to the D-D mgs, for example, the court

relied on estimates of witnesses that the spill was between a cup

and a quart. It then calculated “3 cups x 23 years = 2,691 cups

=> 168 gallons of D-D.”

46a

estimates alone might have been reasonable, the

resulting combined estimate is too speculative to

serve as an accurate basis for ascertaining leakage,

let alone contamination or the costs of cleaning up

the contamination.”

Again, Shell’s harm was capable of apportionment.

Shell could have provided data showing the volume of

chemicals shipped to B & B every year, or more

precise estimates of the average volume of leaked

chemicals during the transfer process. Data

connecting the properties of the various chemicals

leaked at the site to the likelihood that they

contributed to the contamination could have been

“ There is something of a circuit split on the degree of

specificity of proof necessary to establish the amount of liability

apportioned to each PRP. According to some courts, proving up

the precise proportion attributable to each PRP is a “very

difficult proposition,” Control Data Corp. v. S.C.S.C. Corp., 53

F.3d 930, 934 n. 4 (8th Cir.1995), requiring “concrete and

specific” evidence in support of any proposed apportionment,

Hercules, 247 F.3d at 718. The defendant cannot rely on a

“chain of possible inferences.” Chem-Nuclear, 292 F.3d at 260.

In contrast, other courts have permitted informal estimates or

data rather than more exact calculations. See Bell Petroleum, 3

F.3d at 903-04 (allowing estimation of the proportion of

contamination produced by each of a series of successive

operators of a facility, where reliable approximations were

simple because there was a single chemical produced by the

successive operators each of whom operated the facility

similarly); see also Hercules, 247 F.3d at 719 (relying on Bell

Petroleum, 3 F.3d at 895-96, and holding that the defendant

need not show that there was no possibility that it contributed

to the harm, because certain approximations can suffice). Aside

from noting, as we have, supra n. 27, that logical, supportable

inferences from the record facts are, as always, permissible, we

need not weigh in on this dispute, as the district court's

extrapolations could not be upheld under even a forgiving

standard.

4la

presented and considered. But the record before us

provides none of that information, most likely

because Shell put its eggs in the no-liability basket.

In the end, the district court’s apportionment

analysis with regard to Shel! came closer to meeting

the legal standard than the method it used with

respect to the Railroads. We hold, nonetheless, that

on the facts of this case as the district court found

them, there was no reasonable basis for apportioning

the pertinent harm caused by Shell.

B. “Arranger” Liability

Under CERCLA, “any person who by contract,

agreement, or otherwise arranged for disposal or

treatment, or arranged with a transporter for

transport for disposal or treatment, of hazardous

substances owned or possessed by such person” is

liable. § 9607(a)(3). Shell claims that (1) the district

court applied the wrong legal standard in de-

termining whether Shell was an “arranger” under

§ 9607(a); (2) the “useful product” doctrine precludes

imposition of “arranger” liability on Shell; (3) Shell

lacked ownership and control over the chemicals at

the time of the transfers and thus the district cowrt

could not find that it had arranged them; and (4)

because D-D evaporates or disperses rather than

remaining in toxic form in the soil, the district cowrt

erred when it determined that Shell contributed to

the groundwater contamination. We reject these

contentions and affirm the district court’s ruling on

the “arranger” issue.

We review the district court's imterpretation of

CERCLA to determine the legal standard for ar-

ranger liability as a question of law, reviewed de

novo. Carsen Harbor Vill., 270 F.3d at 870. We

42a

review the district court’s factual determinations

regarding Shell’s operations for clear error. W. Prop.

Serv. Corp. v. Shell Oil Co., 358 F.3d 678, 685 (9th

Cir.2004).

1. Requirements for “Arranger” Liability

CERCLA does not define “arrange[ |.” We have

avoided giving the term “arranger” too narrow an

interpretation to aveid frustrating CERCLA’s goal of

requiring that companies responsible for the intro-

duction of hazardous waste into the environment pay

for remediation. Pakootas v. Teck Cominco Metals,

Lid., 452 F.3d 1066, 1081 (9th Cir.2006); Cadillac

Fairview /Cal., Inc. v. United States, 41 F.3d 562, 565

n. 4 (9th Cir.1994) (per curiam) (citing with approval

United States v. Aceto Agric. Chems. Corp., 872 F.2d

1373, 1380 (8th Cir.1989)); see also Jones-Hamilton

Co. v. Beazer Materials & Servs., Inc., 973 F.2d 688,

694-95 (9th Cir.1992) (discussing Aceto, 872 F.2d at

1384). Accordingly, we have recognized, in addition to

“direct” arranger liability, a “broader” category of

arranger liability, see United States v. Shell Oil Co.,

294 F.3d 1045, 1054-55 (9th Cir.2002), in which

disposal of hazardous wastes is a foreseeable byprod-

uct of, but not the purpose of, the transaction giving

rise to PRP status.

“Direct” arranger liability—also referred to as “tra-

ditional’ direct” arranger liability—involves transac-

tions in which the central purpose of the transaction

is disposing of hazardous wastes. See id.; see, e.g.,

Cadillac Fairview, 41 F.3d at 563-65 (involving

rubber companies that transferred contaminated

styrene to Dow Chemical for reprocessing); Catellus

Dev. Corp. v. United States, 34 F.3d 748, 749-50

(9th Cir.1994) (involving a company that sold used

automotive batteries to a lead reclamation plant). In

- Dh ee = =— — — —_— —— SS EEE ee ——eEe———

43a

contrast, “broader” arranger liability involves trans-

actions that contemplate disposi as a part of, but net

the focus of, the transaction; tite “arranger” is either

the source of the pollution @ manages its disposal.

See Sheil Oil, 294 F.3d at 1058. In the “broader”

arranger liability cases, smwch as Sheil Oil, we

examined the connection between the alleged ar-

ranger transaction and the disposal and decided

whether the transaction necessarily constituted an

arrangement for disposal of hazardous substances,

whatever immediate form it may have taken.

These broader arranger cases can involve sit- |

uations, like the present one, in which the alleged |

arrangers did not contract directly for the disposal of

hazardous substances but did contract for the sale or

transfer of hazardous substances, which were then

disposed of. See, e.g., Fla. Power & Light Co. v. Allis |

Chalmers Corp., 893 F.2d 1313, 1315, 1318 (11th

Cir.1990) (involving purchaser and recycler that sued

manufacturer of transformers for cleanup costs

from later disposal); Mathews v. Dow Chemical Co.,

947 F.Supp. 1517, 1519-20 (D.Colo.1996) (involving

neighbors of chemical company who sued manu-

facturer of paint thinner for contamination resulting

from packaging paint thinner); Courtaulds Aerospace,

Inc. v. Huffman, 826 F.Supp. 345, 347-48, 353-54

(E.D.Cal.1993) (involving neighbor of smelting plant

who sued companies that contracted with plant for

burning and smelting of copper wire for resulting

contamination). There are no Ninth Circuit cases in

this category.”

“ Although Shell Oil involved “broader” arranger liability, it

concerned “arranger” liability of a customer, rather than a

producer, of hazardous materials. 294 F.3d at 1056. There, the

defendant oil companies sought to hold the United States liable

_ a ee ee

44a

The inclusion of such circumstances within the

“arranger” concept, however, accords with the

statutory language and structure as a whole. To be

an “arranger.” one must “arrange[ ] for disposal or

treatment, or arrange { | with a transporter for

transport for disposal or treatment, of hazardous

substances... .” § 9607(a)(3). CERCLA’s definition of

“disposal,” in turn, includes “the discharge, deposit,

injection, dumping, spilling, leaking, or placing of any

solid waste or hazardous waste into or on any land or

water so that such solid waste or hazardous waste or

constituent thereof may enter the environment or be

. . . discharged into any waters, including ground

waters.” § 6903(3) (referred to by § 9601(29)). That

“disposal” includes such unintentional processes as

“leaking” indicates that “disposal” need not be

purposeful. See Carson Harbor Vill., 270 F.3d at 880

(holding that “leaking” may not “require affirmative

. conduct” (internal quotation marks omitted)

(quoting and adopting interpretation of United States

v. CDMG Realty Co., 96 F.3d 706, 714 (3d Cir.1996))).

Thus, an entity can be an arranger even if it did not

intend to dispose of the product. Arranging for a

transaction in which there necessarily would be

leakage or some other form of disposal of hazardous

substances is sufficient.

as an “arranger” because the federal government had purchased

large quantities of high octane fuel for military use; the process

used by the oil companies to refine the fuel resulted in toxic

waste that the oil companies later dumped at a site in

California. Jd. Because the United States was the end

purchaser, never owned the intervening toxic products used in

the refining process, and did not contract out the crucial, waste-

producing intermediate step, we held that it was not an

arranger under § 9607(a\(3). Jd. at 1056-59.

Klee Ul — a — — ~

45a

2. “Useful Product” Doctrine

While adopting a generally expansive view of

arranger liability, we have refused to hold manu-

facturers liable as arrangers for selling a useful

product containing or generating hazardous swb-

stances that later were disposed of. See, e.g., 3550

Stevens Creek Assocs. v. Barclays Bank ef Cal., 915

F.2d 1355, 1362-65 (9th Cir_1999). As Stevens Creek

and other “useful product” cases recognize, liability

cannot extend so far as to include a// mamufacturers

of hazardous substances, on the theery that there will

have to be disposal of the substances some time down

the line, after it is used as intemded. See, e.g.. Stevens

Creek, 915 F.2d at 1362-65 (refusing to hold

manufacturer liable for costs of removing asbestos

from building); Fla Power & Light, 893 F.2d at 1318-

19 (refusimg to hold manufacturer of transformers

liable for subsequent release of chemicals upon

disposal of transiermers). Also, the asserted liability

in “useful product” cases generally involved only the

normal use of those chemicals. See, e.g., Jordan v. S.

Wood Piedmont Co., 805 F.Supp. 1575, 1577

(S.D.Ga.1992) (imvolving the sale of chemicals to treat

wood and the comtamination from the wood treat-

ment process); Edward Hines Lumber Co. v. Vulcan

Materials Co., 685 F Supp. 651, 653 (N.D.Tl. 1988)

(same).

The useful product cases have no applicability

where, as here, the sale of a _ useful product

necessarily and immediately results in the leakage of

hazardous substances. In that circumstance, the

leaked portions of the hazardous substances are

never used for their intended purpose. See Zands

v. Nelson, 779 F.Supp. 1254, 1262 (S.D.Cal.1991)

(stating that “gasoline is no longer a useful product

46a

after it leaks into, and contaminates, the soil”); see

also Aceto, 872 F.2d at 1381 (rejecting application of

the useful product doctrine where “waste is generated

and disposed of contemporaneously with the process”

(emphasis added)).

Here, although Shell sold B & B a useful product,

leakage of some of that product before B & B could

use it was both inherent in the transfer process

arranged by Shell and contemporaneous with that

process.“ Shell arranged for delivery of the

substances to the site by its subcontractors; was

aware of, and to some degree dictated, the transfer

arrangements; knew that some leakage was likely in

the transfer process; and provided advice and

supervision concerning safe transfer and storage.

Disposal of a hazardous substance was thus a

necessary part of the sale and delivery process.

Put another way, the district court did not assign

arranger liability to Shell for contamination resulting

from the application of Shell’s useful products to the

soil as fertilizers or fumigants, or for disposal of

contaminated soil after the products were used.

Instead, the district court assigned arranger liability

on the portion of product that never made it to the

fields for its intended use but was disposed of prior to

use. Because Shell’s liability here stems from the

leaked chemicals rather than the fertilizer that was

“ For this reason, we also reject Shell's argument that,

because manufacturers are taxed to provide money for the

Superfund, Congress could not, without more, have intended for

them to be subject to liability as arrangers. See 26 U.S.C.

§§ 4661, 4662. Shell's liability derives not from its role as a

manufacturer of a useful product but rather from its role in

leakage prior to use. The Superfund tax is wholly irrelevant to

the latter imposition of liability and certainly does not bar it.

47a

used as fertilizer, the useful product doctrine is not

applicable.

3. Control and Ownership

Much of the district court’s analysis relies on the

factual determination that spills would necessarily

occur during the transfer of Shell’s chemicals to

B & B. Shel! maintains that this finding was

inadequate, because Shell did not itself transport the

chemicals or participate in transferring the chemicals

to B & B’s coniainers. Central to this contention is

Shell’s insistence that it lacked ownership and

control of the chemicals at the time of transfer and so

could not be an “arranger.” We do not agree that the

district court’s findings about Shell’s involvement

were insufficient to support “arranger” liability.

There was evidence before the district court that:

(1) Spills occurred every time the deliveries were

made; (2) Shell arranged for delivery and chose the

common carrier that transported its product to the

Arvin site; (3) Shell changed its delivery process so as

to require the use of large storage tanks, thus

necessitating the transfer of large quantities of

chemicals and causing leakage from corrosion of the

large steel tanks; (4) Shell provided a rebate for

improvements in B & B’s bulk handling and safety

facilities and required an inspection by a qualified

engineer; (5) Shell regularly would reduce _ the

purchase price of the D-D, in an amount the district

court concluded was linked to loss from leakage; and

(6) Shell distributed a manual and created a checklist

of the manual requirements, to ensure that D-D

tanks were being operated in accordance with Shell’s

safety instructions.

48a

The parties vigorously dispute whether, given

these facts, Shell owned the pesticide during the

transfer and controlled the transfer process.

Although the district court addressed these questions

and resolved them against Shell, we do not enter this

controversy. The text of the statute does not require

that the arranger own the hazardous wastes, either

at the time the “arranger” arranged for the

transaction or at the time of transfer of ownership.

See Pakootas, 452 F.3d at 1081. Indeed, to require

ownership at the time of disposal “would make it too

easy for a party, wishing to dispose of a hazardous

substance, to escape by a sale its responsibility to see

that the substance is safely disposed ot.” Catellus, 34

F.3d at 752. Nor is control a statutory requirement,

Cadillac Fairview, 41 F.3d at 565, although it has

been viewed as a pertinent consideration in cases

quite different from this one.

Where an owner of hazardous substances directly

“arranges” for disposal—by, for example, using a

hazardous substance disposal company—that owner

is plainly an “arranger” even if it has nothing more to

do with disposal. See, e.g., Catellus, 34 F.3d at 752.

In “broader” arranger liability cases, however, we

have tended to view control as a “crucial element” in

determining whether the party arranged for disposal.

Shell Oil, 294 F.3d at 1055. We also have viewed

ownership of hazardous substances at the time of

disposal as an important factor in nontraditional,

indirect arranger liability cases. See Jones-Hamilton,

973 F.2d at 695 (relying on Aceto, 872 F.2d at 1380).

None of these cases, however, indicates that

ownership or control at the time of transfer are the

sine qua non of nontraditional arranger liability.

49a

Instead, ownership and contro] at time of disposal are

useful indices or clues toward the end of “look[ing]

beyond defendants’ characterizations to determine

whether a transaction in fact involves an ar-

rangement for the disposal of a hazardous sub-

stance.” Aceto, 872 F.2d at 1381. In Shell Oil, for

example, the government never owned the chemicals

before disposal occurred, so control over the sub-

stances was an important factor in determining

whether or not the government could have “arranged”

for disposal. Shell Oil, 294 F.3d at 1057-59.

Here, ownership at the time of disposal is not an

informative considcration, and control is informative

only in light of additional considerations. Unlike in

Shell Oil, where the absence of any ownership or

control was a clue concerning whether the sales

transaction necessarily contemplated disposal as an

inherent part of the transaction, Shell here owned

the chemicals at the time the sale was entered into.

The statute requires nothing more in terms of

ownership. We therefore need not determine the

precise moment when ownership transferred to B &

B. As to the control question, the district court’s

findings, recited above, demonstrate that Shell had

sufficient control over, and knowledge of, the transfer

process to be considered an “arranger,” within the

meaning of CERCLA, for the disposal of the

chemicals that leaked.

4. Groundwater Contamination

Shell, finally, contends that the court erred when it

determined that it contributed to the groundwater

contamination, maintaining that D-D evaporates or

disperses rather than remaining in toxic form in the

50a

soil. The district court’s analysis on this issue is

factually complex and based on several weeks of

testimony. The district court made specific findings

that D-D can indeed enter groundwater. Those

findings are based on the testimony of experts whom

the court found persuasive. In light of the complexity

of the science and the substantial expert evidence

supporting the finding, the district court’s deter-

mination was not clearly erroneous.

IV. Conclusion

The district court erred in determining that the

harm in this case could be apportioned on this record.

Given the district court’s erroneous approach and the

paucity of record evidence, there is no reasonable

basis for apportioning the damages attributable to

the Railroads’ activity. Shell’s liability is a closer call,

but the evidence on the record in that regard is also

insufficient to support apportionment.

The district court followed the proper analysis in

finding that Shell is liable as an arranger. Shell

arranged for the sale and transfer of chemicals under

circumstances in which a known, inherent part of

that transfer was the leakage, and so the disposal, of

those chemicals.

We therefore reverse as to the district court’s

finding on apportionment. We affirm the district

court’s findings regarding both the Railroads’ and

Shell’s liability. The Railroads and Shell are jointly

and severally hable for the harm at the Arvin site,

except with regard to the so-called “Dinoseb hot

5la

spot.”” We remand for further proceedings not in-

consistent with this opinion.

REVERSED in part and AFFIRMED in part.

935

” The district court found that the “Dinoseb hot spot” was a

discrete area contaminated by Dinoseb (a Dow product) as the

result of a major spill in 1983, that Shell did not manufacture or

ship that product, and that Shell thus bore no responsibility for

any part of the $1.3 million cost of cleaning up this discrete

spill. The governments did not challenge this finding on appeal.

That finding therefore stands, and the district court should not

include the $1.3 million cleanup costs for the “Dinoseb hot spot”

in the calculation of Shell's liability. Because we therefore do

not hold Shell liable for this Dow product, the dissent from

denial of rehearing en banc is wrong when it claims we err by

holding Shell liable for “contamination from products Shell did

not sell to B & B.” Dissent at 962-63 n. 22.

52a

BEA, Circuit Judge, with whom KOZINSKI, Chief

Judge, O’SCANNLAIN, KLEINFELD, GOULD,

TALLMAN, CALLAHAN, and N.R. SMITH, Circuit

Judges, join, dissenting from the order denying the

petition for rehearing en banc:

The panel applies CERCLA’ in a novel and

unprecedented way to impose impossible-to-satisfy

burdens on CERCLA defendants. The panel’s inter-

pretation of CERCLA “arranger” liability’ creates

intra- and inter-circuit conflicts in an area of the

law where uniformity among circuits is of para-

mount importance. See Panel Op. at 935-36 (noting

CERCLA’s “policy favoring national uniformity so as

to discourage illegal dumping in states with lax

liability laws” (citation omitted)). Further, the panel’s

unreasonable application of CERCLA apportionment

law imposes joint and several liability on CERCLA

defendants where Congress did not so intend.

Our national policy on toxic spills or disposals is

quite clear; it does not allow for dithering. Anyone

who owned or used the land when or after the

pollution entered it is potentially liable for its clean-

up.’ It does not matter how the toxic materials

entered the land; that others may also be potentially

liable or that reasonable stewardship was exercised

are simply not defenses.

‘ Comprehensive Environmental Response, Compensation,

and Liability Act of 1980 (“CERCLA”), 42 U.S.C. §§ 9601-9675...

* Under CERCLA, an entity that “arrange(s] for disposal or

treatment ... of hazardous substances” is strictly liable for the

clean-up costs. 42 U.S.C. § 9607(a)3).

a

In addition, CERCLA imposes liability on persons who

“arranged for disposal or treatment ... of hazardous substances,”

and persons who accepted “hazardous substances for transport

to disposal or treatment facilities.” 42 U.S.C. § 9607(a\(3), (4).

53a

But “potentially liable” does not mean “totally

liable.” Just as CERCLA allows the landowner or the

land user to prove the pollution entered the land

before he had anything to do with the land, he can

also prove others caused the pollution, in whole or in

part,‘ and that he is liable only for his apportioned

share of the pollution.

The panel’s recent amendments to its opinion do

take a step in the right direction by aligning the

Ninth Circuit with our sister circuits on CERCLA

apportionment law.’ As the amended panel opinion

notes, courts follow Restatement (Second) of Torts

(“Restatement”) principles in apportioning the harm

between defendants held strictly liable under

CERCLA. See Panel Op. at 939. Under the Re-

statement, and now the amended panel opinion,

apportionment is permissible so long as the evidence

allows the court to make “a reasonable estimate that

will fairly apportion liability.” Jd. at 936 n. 18

(citation omitted).

But although the panel’s amended opinion pays lip-

service to the Restatement test, the panel then

proceeds effectively to disregard it. Purporting to

require only a “reasonable estimate” for apportion-

* See 42 U.S.C. § 9607(b)(3).

* Henceforth, CERCLA apportionment in the Ninth Circuit

will be governed-not by a test that allows a landowner to avoid

joint and several liability only with “perfect information” that

portions of the contamination are “in no respect traceable” to its

land-but by a “reasonable basis” test under the Restatement

(Second) of Torts § 433A(1)\(b). See Panel Op. at 938 (holding a

landowner can “establish divisibility by demonstrating a reason-

able basis for concluding that a certain proportion of the

contamination did not originate” on its facility (emphasis

added)).

54a

ment, the panel imposes joint and several liability for

the entire clean-up cost of a contaminated facility on

an absentee landlord who leased a parcel: (1) that

constituted 19.1% of the facility that caused the

contamination; (2) for only 13 of the 29 years during

which the contamination occurred (45% of the time);

and (3) the contamination on which could have

caused no more than 10% of the overall contami-

nation. See United States v. Atchison, Topeka &

Santa Fe Ry. Co., Nos. CV-F-92-5068 OWW, CV-F-96-

6226 OWW, CV-F-96-6228 OWW, 2003 WL

25518047, at *88 (E.D.Cal. July 15, 2003). If this

evidence does not provide a “reasonable estimate” for

apportionment of liability, I do not see how—short of

“verfect information” sufficient to trace every mole-

cule of pollution to the landlord’s parcel’—appor-

tionment could ever be possible under CERCLA. The

panel’s amendments thus go only half way by

adopting the correct prism through which to look at

the evidence. But it is not enough to use new

spectacles. One must still look at the evidence. The

fact remains, and as the panel expressly holds, the

district court did not commit clear error in finding a

reasonable basis for apportionment of liability. See

Panel Op. at 943 (“[Wle do not fault the district

court’s factfinding . .. .”). Regardless, the panel

rejects the meticulous apportionment determinations

of the district court, issued in a 191-page opinion, as

* For the same result, albeit with a different, and now

abandoned, verbal formulation, see the panel's original opinion:

United States v. Burlington Northern & Santa Fe Ry. Co., 502

F.3d 781, 801 (9th Cir.2007) (allowing CERCLA apportionment

only with proof by “perfect information” “that portions of the

contamination are in no respect traceable” to the landowner's

facility), amended by order denying petition for rehearing en

banc.

55a

“legally insufficient” for relying on “the simplest of

considerations.” Jd. at 943, 945.

To denigrate by adjectives is not to reason, much

less to explain. Holding the district court’s calcu-

lations are “simple” does not even begin to determine

-whether those calculations were clear error, or

whether the calculations provide a “reasonable

estimate” to apportion liability. As Justice Oliver

Wendell Holmes, Jr., said, “I would not give a fig for .

the simplicity this side of complexity, but I would

give my life for the simplicity on the other side of

complexity.” " The panel turns Justice Holmes’s

eloquent statement on its head: Instead of com-

mending the district court for finding simplicity after

navigating 191 pages of complexity, the panel

rebukes the district court, contending that the

district court’s careful findings of fact—though not

clear error-are not worth a fig.

While at it, the panel imposes “arranger” liability

on Shell Oil for agricultural fertilizers that were

spilled on the site by the buyer of Shell’s product,

shipped by a common carrier in non-defective truck

tankers, F.O.B. delivery point.” The panel's imposi-

tion of arranger liability on a mere seller, which

relinquished control over its products upon delivery

and before spillage occurred, goes far beyond the

statutory language and creates inter- and intra-

circuit splits. See AM Int'l, Inc. v. Int'l Forging Equip.

Corp., 982 F.2d 989, 999 (6th Cir.1993) (“[Clourts ...

‘ http:// en. wikiquote. org/ wiki/ Oliver_ Wendell_ Holmes'_

Jr.

*“FOB” means “free on board” and “when the term is F.O.B.

the place of destination, the seller must at his own expense and

risk transport the goods to that place and there tender delivery

of them.” U.C.C. § 2-319(1)(b).

56a

have consistently held that the mere sale of a product

is not ‘arranging for disposal’ under [(CERCLA].”);

United States v. Shell Oil Co. (“McColl”), 294 F.3d

1045, 1055, 1057 (9th Cir.2002) (requiring “actual

control” over the hazardous products as a “crucial

element” of arranger liability). The panel further

holds Shell jointly and severally liable for the entire

contamination on the facility—including contamina-

tion from products Shell did not even sell. See Panel

Op. at 945-48.

True, the land on which the facility operator spilled

the toxic fluids encompassed only 4.7 acres. But the

panel’s legal errors will spread over this Circuit’s

nine states aiid 1.3 million square miles, to lots large

and small.

I respectfully dissent from our decision not to

rehear this case en banc.

I.

This case involves environmental contamination

caused by a now-defunct company, Brown & Bryant

(“B & B”), which owned and operated an agricultural

chemical distribution facility (“B & B parcel”) from

1960 to 1989. Panel Op. at 930. In 1975, fifteen years

into its operation, B & B leased from the Defendant-

Railroads (“the Railroads”) a contiguous parcel of

land (“the Railroad parcel”) located west of the B & B

parcel. Jd. at 930. The B & B parcel comprised 3.8

acres; the Railroad parcel comprised 0.9 acres.

Id. At its facility, B & B stored the chemicals

D-D, Nemagon, and Dinoseb. Atchison, 2003 WL

25518047, at *4. Throughout its operation, B & B

discharged contaminated wastewater into a sump

that was used to wash agricultural equipment and

into a pond, both of which were located on the B & B

57a

parcel. Jd. at *12, *16. Neither the sump nor the pond

were, at first, lined so as to be impervious. See id.

at *8.

The government asserted B & B’s activities on the

Railroad parcel may have contaminated the ground-

water through: (1) focused infiltration of contami-

nants into the groundwater; and (2) drainage from

the Railroad parcel onto the pond located on the

B & B parcel. Jd. at *10-12. As to the first theory, the

government could not identify any areas on the

Railroad parcel where infiltration into the ground-

water actually occurred. Jd. at *11. Indeed, it was

“undisputed that the pond, the sump, and the dinoseb

spill area, all of which are located on the B & B

parcel, were and are the primary sources of the

groundwater contamination.” Jd. at *12. As to the

second theory, the district court found a “substantial

dispute” remained over whether rainfall was “suf-

ficient to generate the quantity of runoff that would

have been necessary” for drainage of chemicals from

the Railroad parcel to the B & B parcel. /d. at *11.

The district court found “[t]he levels of chemical

contamination on and under B & B parcel are

substantially higher than any of the reported

detections on and under the Railroad parcel.” Z/d.

Specifically, the district court found:

{[Rjeleases at the Railroad parcel could not have

contributed more than ten [percent] (10%) of the

overall site contamination given the fact that the

predominant activities conducted on the Railroad

parcel through the years were storage and some

washing and rinsing of tanks, other receptacles,

and chemical application vehicles. Mixing, form-

ulating, loading, and unloading of ag-chemical

hazardous substances, which contributed most of

58a

the liability causing releases, were predomi-

nantly carried out by B & B on the B & B parcel.

Id. at *88.

B & B purchased the agricultural product D-D

from Shell pursuant to a non-exclusive marketing

agreement for the resale of Shell D-D. Id. at *4-5.

Shell shipped D-D to the B & B facility by common

carrier trucks “FOB Destination.” Jd. at *5. There

was no evidence the transportation caused any

leakage or that the tanks carried by the trucks

leaked. Upon arrival, the contents of the trucks were

transferred to B & B’s storage tanks, during which D-

D spills regularly occurred. Jd. at *20. The district

court found the “stewardship” of D-D passed to B & B

when the common carrier arrived at the B & B

facility, and before the transfer of D-D was attempted

to B & B’s storage tanks.” Jd. at *23. Nevertheless,

the panel holds Shell exercised control over the

transfer process.

Pursuant to their authority under CERCLA, the

California Department of Toxic Substances Control

(“DTSC”) and the U.S. Environmental Protection

Agency (“EPA”) cleaned up the contamination on the

B & B facility. Panel Op. at 931-32.

* The amended panel opinion notes the common carrier, and

not B & B employees, transferred the D-D from the trucks to the

storage tanks before the early 1980s. See Panel Op. at 931 n. 5.

The panel states it was only in the early 1980s that B & B

employees started conducting the transfer themselves. Jd. This

is of no material consequence. If, as the district court found, the

stewardship of the D-D passed to B & B before the transfer

occurred, it is irrelevant whether B & B employees or the

common carrier employees executed the transfer. In either case,

B & B, not Shell, retained “stewardship” over the D-D and the

transfer process.

59a

“None of the contamination requiring immediate

remediation was on the Railroad parcel.” Id.

Thereafter, EPA and DTSC filed this CERCLA action

against B & B, the Railroads, and Shell for

reimbursement of their clean-up costs.

The district court held the Railroads and Shell

liable under CERCLA. The district court apportioned

9% of the clean-up costs to the Railroads based on the

following: (1) the Railroad parcel constituted 19.1% of

the entire B & B facility; (2) the Railroad parcel was

leased to B & B for 13 of the 29 years the B & B

facility operated, or 45% of the time; and (3) the

fraction of the hazardous products attributable to the

Railroad parcel was 66%. Id. at 932. The multi-

plication of these three proportions, rounded up-

wards, resulted in 6% liability. Jd. at 932-33. To

account for any error, the district court assumed a

50% error rate and raised the Railroads’ liability to

9%." Id. at 932-33. The district court fixed Shell’s

liability at 6%, which represented the proportion of

D-D spills that occurred during deliveries to the total

amount of D-D spills on the facility. Jd. at 932-33.

DTSC and EPA appealed. Jd. Shell cross-appealed

the district court’s holding that it was liable under

CERCLA as an “arranger.” Jd. The Railroads did not

contest their liability on appeal. The panel affirmed

Shell’s liability under CERCLA as an “arranger” but

reversed the district court’s apportionment of

liability, holding the Railroads and Shell jointly and

severally liable for the entire clean-up cost. /d.

at 930.

Thus, if anything, the district court was over-generous to

the government in its apportionment calculations.

60a

Il.

The panel first holds the contamination on the B &

B facility is theoretically capable of apportionment.

Id. at 942. The panel reasons that some of the

contamination occurred before the Railroads leased

their parcel to B & B. Jd. Further, “[o]nly some of the

toxic substances were stored on the Railroads’ parcel,

and only some of the water on the facility washed

over the Railroads’ site.” Jd.

Second, the panel addresses whether the district

court clearly erred in finding that the Railroads

actually established a basis for apportionment. See

id. at 942 (“[W]e review for clear error whether the

defendant submitted evidence sufficient to establish

a reasonable basis for the apportionment of

liability.”). The panel does not hold that the district

court’s findings are clearly erroneous. See id. at 943

(“[Wle do not fault the district court’s factfinding

.”); id. at 945 (“[MJany of the district court’s

calculations were factually correct. .. .”). Neverthe-

less, while baiting it would review for clear error

whether the district court found sufficient evidence to

justify apportionment, the panel switches, by char-

acterizing the issues as legal, to apply de novo

review. The panel achieves this sleight of hand by

holding, without any citation of authority, that the

district court’s reliance on “the simplest of consid-

erations” (i.e., “percentages of land area, time of

ownership, and types of hazardous products”) is

“legally insufficient” to support apportionment under

the Restatement’s reasonable basis test. Jd. at

942, 945.

Not so fast. Aren’t these so-called “simplest of

considerations” precisely the considerations the

panel’s amended opinion itself holds are sufficient for

6la

apportionment?: “We .. . agree . . . [that] divisibility

may be established by volumetric, chronological, or

other types of evidence, including appropriate

geographic considerations.” Jd. at 936 n. 18 (citations

omitted). Percentage of land ownership (a “geo-

graphic” consideration) and period of ownership (a

“chronological” consideration) provide a “reason-

able basis” to apportion liability to the Railroads,

which is all the Restatement, our sister circuits, and

indeed the panel’s amended opinion itself require. As

the district court observed:

The concept that a passive owner of a contiguous

parcel, not representing more than 19% in area

of a CERCLA site, operated less than 44% of the

time, where substantially smaller volumes of

hazardous substance releases occurred, should be

strictly liable for the entire site remediation,

because no other responsible party is judgment-

worthy, takes strict liability beyond any rational

limit.

Atchison, 2003 WL 25518047, at *87.

This evidence is not good enough for the panel.

Instead, the panel requires “adequate _ records”

detailing “the amount of leakage attributable to

activities on the Railroad parcel, how that leakage

traveled to and contaminated the _ soil and

groundwater under the [B & B facility], and the cost

of cleaning up that contamination.”" Panel Op. at

944. In a feat of self-deprecating candor, the panel

... cost of cleaning up that contamination.”? How could B

& B, Railroads, or Shell have kept such records when it was the

government agencies that cleaned up the contamination, rather

than the facility operator, the partial lessor, or the materials

seller?

62a

then admits, “records that separate out, with any

precision, the amount of toxic chemicals stored on one

part of a facility as opposed to another would have

had little utility to B & B, the operator of the facility,

and none to the Railroads, the owners of the parcel.”

See id. at 944. Even though the panel recognizes “the

failure to keep these records is quite understand-

able,” the panel nonetheless saddles the defendants

with joint and several liability for lack of such

records.” See id. at 944.

* The panel also notes, “(wjhile it may seem unfair to hold a

partial owner liable for all of the contamination cleanup costs,

that perceived unfairness is the result of CERCLA's expansive

statutory liability scheme.” Panel Op. at 940-41. The panel is

incorrect. CERCLA's “expansive” liability scheme, as the pancl

itself admits, is silent as to whether defendants held strictly

liable under the statute are also jointly and severally liable for

the entire harm, or only severally liable for the harm

attributable to them. /d. at 934-35. As the panel correctly notes,

Congress declined to mandate joint and several liability in

CERCLA and intended courts to follow Restatement principles

in apportioning the harm between defendants held strictly

liable. Id.

In this case, the panel was not asked to determine whether

the Defendant-Railroads were liable. Instead, the panel was

charged with deciding whether the Defendant-Railroads, who

were strictly liable under CERCLA, should be held jointly and

severally liable for the entire cleanup cost. By conflating the

establishment of liability and apportionment of liability

questions, the panel disregards a basic tort principle: Strict

liability is not mandatorily joint and several liability. Thus, the

“unfairness” of holding a partial owner liable for the entire

clean-up cost results, not from CERCLA’s strict liability scheme,

but the panel's unreasonable application of the Restatement

apportionment principles to the facts of this case, affected

perhaps by its confusion between strict (negligence free) liability

and joint and several (apportionment free) liability.

=s.

63a

A.

First, the panel holds that the district court’s

reliance on the percentage of the B & B facility owned

by the Railroads (19.1%) cannot support apportion-

ment. Id. at 943-44. The panel reasons that per-

centage of ownership does not “provide a minimally

reliable basis for tracing [the activities on the

Railroad parcel to] the proportion of leakage”

associated with the entire parcel because the B & B

facility, including the Railroad parcel, is an insep-

arable facility with a “dynamic, unitary Gee.

Id. at 944.

The panel’s conclusions are erroneous for two

reasons. First, the panel got the law wrong: The

district court’s reliance on percentage of land

ownership as a proper factor in apportioning dam-

ages finds support from the Restatement and our

sister circuits. A comment to Restatement (Second) of

Torts § 433A(1), which has been relied on by other

circuits to apportion CERCLA liability’ and which

the panel itself quotes, Panel Op. at 937 n. 20,

describes an analogous scenario:

There are other kinds of harm which, while not

so clearly marked out as severable into distinct

parts, are still capable of division upon a

reasonable and rational basis, and of fair

apportionment among the causes responsible.

Thus where the cattle of two or more owners

trespass upon the plaintiffs land and destroy his

crop, the aggregate harm is a lost crop, but it

" See, e.g., In re Bell Petroleum Servs., 3 F.3d 889, 903

(SthCir.1993) (relying on this Restatement comment to reject

the argument that absolute certainty is required for

apportionment of CERCLA liability).

64a

may nevertheless be apportioned among the

owners of the cattle, on the basis of the number

owned by each, and the reasonable assumption

that the respective harm done is proportionate to

that number.

Restatement (Second) of Torts § 433A(1) cmt. d.

Even though it is not possible to determine the

precise harm caused by each animal (e.g., one owner’s

cattle might have idly stood by while the rest

destroyed the crops; one owner’s cattle might have

more heavy-footed bulls, and less lightfooted heifers),

the Restatement would permit apportionment be-

cause there is a reasonable basis (i.e., the number of

cattle owned) to apportion liability. See Bell

Petroleum Servs., 3 F.3d at 903. Importantly, the

Restatement, unlike the panel, does not require

“adequate records” of the harm caused by each

animal; the farmer is not required to stand by his

crop at all times and meticulously record each step

taken by each animal, to trace the harm done back to

The Restatement specifically contemplates the use of the

cattle hypothetical in the context of pollution damages:

Such apportionment is commonly made in cases of private

nuisance, where the pollution of a stream, or flooding, or

smoke or dust or noise, from different sources, has

interfered with the plaintiffs use or enjoyment of his land.

Thus where two or more factories independently pollute a

stream, the interference with the plaintiff's use of the

water may be treated as divisible in terms of degree, and

may be apportioned among the owners of the factories, on

the basis of evidence of the respective quantities of

pollution discharged into the stream.

Restatement (Second) of Torts § 433A(1) cmt. d.

65a

the individual cattle owners.” Indeed, this is

precisely what the “reasonable basis” standard is

designed to avoid: The whole point of Restatement

§ 433A is that no specific evidence is required for

apportionment so long as the evidence and method

used are “reasonable.”’* Further, the Restatement

embraces “simple” considerations rejected by the

panel—the number of cattle owned is a “simple,” yet

sufficient, basis for apportionment.

Even though it is impossible to determine the exact

proportion of the contamination attributable to the

Railroad parcel, the percentage of land ownership,

like the number of cattle, provides one reasonable

factor upon which to apportion liability under the

Restatement. See United States v. Twp. of Brighton,

282 F.3d 915, 919-20 (6th Cir.2002) (holding that

geographic divisibility may provide a basis for

apportionment of CERCLA liability); United States v.

Hercules, Inc., 247 F.3d 706, 717-18 (8th Cir.2001)

(same).

* Under the Restatement, the burden is on the plaintiff (i.e.,

the farmer) to prove each defendant was a “substantial factor”

in causing a single harm. See O'Neil v. Picillo, 883 F.2d 176, 179

n. 4 (1st Cir.1989). Under CERCLA, our sister circuits have

placed the burden of showing a reasonable basis for appor-

tionment on the defendant. Jd. Nevertheless, that the burden

rests with the CERCLA defendant to establish a reasonable

basis for apportionment, has no bearing on what the apportion-

ment test is and what proof is required to meet that test.

“Records” are not a required type of proof for apportionment

under the Restatement, unlike other areas of substantive law

where specific evidence is required—e.g., for conveyance of an

interest in land, a memorandum in writing signed by the party

to be charged is required, see, e.g., Cal. Civ.Code § 1624, and

treason requires the testimony of two witnesses to the same

overt act, U.S. Const. art. III, § 3, cl. 1.

66a

Second, the panel got its facts wrong, or more

precisely, invented convenient facts. The district

court's findings of fact, which the panel does not find

to be clearly erroneous, contradict the panel’s

appellate factfinding that the B & B facility was a

“dynamic, unitary operation.” See Panel Op. at 944;

see also Amadeo v. Zant, 486 U.S. 214, 228, 108 S.Ct.

1771, 100 L.Ed.2d 249 (1988) (rebuking the appellate

court for ignoring the dictates of the clear error

standard and engaging in “impermissible appellate

factfinding”). The panel’s labeling the operations on

the B & B facility as “dynamic” and “unitary” is a

convenient blanket under which to hide the failure to

look the facts in the face.

The facts found by the district court show quite

different operations took place on the Railroad parcel:

Relatively fewer activities that could result in

releases were conducted on the Railroad parcel.

Daily operations that resulted in releases of

hazardous substances occurred on the B & B

parcel. Past releases at the Railroad parcel could

not have contributed more than ten (percent/

(10%) of the overall site contamination given the

fact that the predominant activities conducted on

the [0.9 acre) Railroad parcel through the years

were storage and some washing and rinsing of

tanks, other receptacles, and chemical applica-

tion vehicles. Mixing, formulating, loading, and

unloading of ag-chemical hazardous substances,

which contributed most of the liability causing

releases, were predominantly carried out by B &

B on the [3.8 acre] B & B parcel.

Atchison, 2003 WL 25518047, at *88 (cmphasis

added). The district court’s findings not only un-

dermine the panel's assertion that the B & B site was

67a

an inseparable facility with a “dynamic, unitary

operation,” but also provide a reasonable basis for

separating the Railroad parcel from the rest of the

facility to apportion liability... The appendix, an

overhead image of the B & B facility, tellingly shows

how, as the district court found, substantially fewer

contamination-causing activities were conducted on

the Railroad parcel (labeled “Leased Property”), as

compared to the B & B parcel (labeled “Brown &

Bryant Property”).

I also note the panel’s original opinion held that

the B & B parcel “is distinct from the portion leased

from the Railroads,” which further supports the

district court’s apportionment calculations on the

basis of percentage of land ownership. See Burlington

Northern, 502 F.3d at 801. Recognizing, no doubt,

that this finding undermines its position, the panel

excises this finding from its amended opinion,

without explanation.

B.

Second, the panel holds that the period the

Railroads leased their parcel (13 years) as compared

'’ The panel contends apportionment is not possible because

the district court found “B & B used the Railroad parcel as part

of its total agricultural-chemical operations.” Panel Op. at 944

n. 30. That is painting with a broad brush over the details; the

details give the true picture. The panel's contention merely begs

the apportionment question. That B & B used the Railroad

parcel as part of its operations says nothing about whether

liability may be apportioned between the Railroad parcel and

the B & B parcel. The answer to that question lies in the

undisputed findings of the district court that different opera-

tions took place on each parcel and the contamination on the

Railroad parcel could have caused no more than 10% of the

overall contamination. See Atchison, 2003 WL 25518047, at *88.

68a

to the entire period of contamination (29 years) is a

legally insufficient basis for apportionment. Panel

Op. at 944, 945. The panel reasons there is an

“evidentiary vacuum” about the contamination

attributable to the pre-lease period, and no evidence

suggests contamination was constant over the entire

period. Jd. at 945.

The panel errs in concluding there is an “evi-

dentiary vacuum” regarding the pre-lease contami-

nation. The panel itself notes some contamination

occurred before B & B leased the Railroad parcel. Jd.

at 942. Further, B & B implemented procedures to

reduce contamination after it leased the Railroad

parcel.” Thus, the district court’s assumption of

constant contamination over the entire period not

only provides a reasonable basis to apportion lia-

bility, but, if anything, overestimates the contami-

nation attributable to the Railroad parcel.

Further, the district court’s reliance on period of

ownership finds support from the Restatement

hypothetical discussed above. Just as it is reasonable

to assume that each of the cattle caused an equal

amount of harm even though some of the cattle may

have done no harm to the land, it is also reasonable

to assume that each year of ownership caused an

equal amount of contamination, even though the

contamination may have been worse in some years

than in others. See also Bell Petroleum Servs., 3 F.3d

“In the first twenty years of its operations (from 1960 to

1980), B & B “took almost no precaution to prevent the release

of hazardous agricultural chemicals into the environment.”

Atchison, 2003 WL 25518047, at *26. At trial, a B & B executive

testified that in 1980, B & B lined the sumps with concrete

boxes, and in 1984, B & B built a contained area for rinsing

equipment to prevent chemicals from draining to the sumps.

69a

at 903-04 (holding apportionment is possible among

the sequential owners of a chrome-plating site, even

though the records of the chrome-plating activities

were incomplete); Hercules, 247 F.3d at 718 (noting

apportionment is possible where “two defendants,

independently operating the same plant, pollute a

stream over successive periods of time” (citation

omitted)). Thus, the panel also errs in rejecting

apportionment based on period of ownership.” In

sum, despite two bases for apportionment of liability

approved by the Restatement and our sister cir-

cuits—percentage of land ownership and period of

ownership-the panel erroneously imposes joint and

several liability on the Railroads for the entire

clean—up cost of the B & B facility.

Ill.

Unlike the Railroads, Shell contested its liability

on appeal. The panel holds Shell liable as an

“arranger,” which is defined as any person who

“arranged for disposal or treatment . . . of hazardous

substances owned or possessed by such person.” 42

U.S.C. § 9607(a)(3) (emphases added). CERCLA

does not define “arranged for.” We have interpreted

“arranged for” to rest on two alternate bases for

liability: “direct” and “broader” arranger liability.

" The only clear error the pane! finds is the district court's

exclusion of D-D from the contamination attributable to the

Railroad parcel. Panel Op. at 945. The panel so holds because

there was evidence that D-D leaked on the Railroad parcel and

no evidence that it did not. Jd.; see Atchison, 2003 WL 25518047,

at *90. I do not disagree with this holding, but note that this

error merely alters the proportion of liability attributable to the

Railroads and perhaps may be a basis for remand. It has no

impact on the ultimate conclusion that the Railroads cannot be

jointly and severally liable for the entire clean-up cost

70a

McColl, 294 F.3d at 1054-55. The latter is at issue

here because no one claims Shell directed the

dumping of hazardous substances onto the B & B

facility.

Under “broader” arranger !iability, an entity need

not have direct involvement in an arrangement for

the disposal of waste; liability may be imposed if the

entity had “sufficient control over the process that

created the waste.” Jd. at 1055. We have no clear

test for establishing broader arranger liability. Jd.

at 1055-56. Nevertheless, “actual control” over the

hazardous substance is a “crucial element” of

broader arranger liability, and mere “authority to

control,” were it actually established by the evidence,

simply does not suffice. See id. at 1055, 1057.

The panel imposes arranger liability on Shell as a

seller of the agricultural product D-D to B & B, which

_then contaminated its facility in part with Shell’s

product. The panel notes that because unintentional

practices like “leaking” are included within the

definition of “disposal” under CERCLA, “disposal”

need not be purposeful. Panel Op. at 949. Thus,

according to the panel, “an entity [like Shell] can be

an arranger even if it did not intend to dispose of the

product.” Jd. at 949.

The panel’s statutory interpretation is unper-

suasive. Even though the definition of “disposal” may

include unintentional practices, mere “disposal” does

not constitute arranger liability. Instead, arranger

liability requires the defendant to have “arranged

for” such disposal (not just arranged for the sale).

This connotes an intentional action toward achieving

the purpose: disposal. See Webster’s Third New

International Dictionary 120 (1993) (defining “ar-

range” as “to make preparations for”). It is an

7la

oxymoron for an entity unintentionally to make

preparations for disposal.

Further, the statutory definition of “disposal” does

not cover the “sale” of a hazardous substance, which

was the exclusive purpose of the contract between

Shell and B & B. That leakage may occur during the

transfer of D-D from the common carrier to B & B’s

storage tanks cannot mean that Shell, as a seller,

arranged for such leakage.” By imposing arranger

liability on a mere seller, the panel stretches the

meaning of arranger liability beyond any cognizable

limit and creates inter-circuit splits. See, e.g., AM

Intl, 982 F.2d at 999 (“[Cjourts . . . have consistently

held that the mere sale of a product is not ‘arranging

for disposal’ under [CERCLA].”); Fla. Power & Light

Co. v. Allis Chalmers Corp., 893 F.2d 1313, 1317

(11th Cir.1990) (“If a party merely sells a product,

without additional evidence that the transaction

includes an ‘arrangement’ for the ultimate disposal of

a hazardous substance, CERCLA liability [can]not be

imposed.”).

Even assuming a defendant can be held liable as

an arranger for the mere sale of a product, the

panel’s holding is inconsistent with McColl, which

requires actual control over the hazardous product as

a crucial element of arranger liability. See McColl,

294 F.3d at 1055. In McColl, the United States was

sued under CERCLA for the clean-up costs of a site

contaminated with fuel. The site was used to

manufacture war supplies for the United States

under government contracts, and the United States

” The panel's conclusion is tantamount to saying that a

bartender “arranges for the disposal” of bourbon onto the bar

when he sells a glass of bourbon F.O.B. patron, who, while

carelessly lifting the glass, spills the bourbon.

72a

was aware that waste was being produced. Id. at

1050-51. We held the United States could not be

liable as an arranger because it did not exercise

actual control over the disposal of fuel, even though it

had the authority to control such disposal. Jd. at

1057-58. The panel creates an intra-circuit conflict by

reducing McColl’s actual control requirement from a

“crucial element” for arranger liability to a mere

“pertinent consideration,” which is “informative only

in light of additional considerations.” Panel Op. at

950-51.”

The panel holds Shell liable as an arranger

because:

(1) [D-D) [s]pills occurred every time the deliv-

eries were made; (2) Shell arranged for delivery

and chose the common carrier that transported

its product to the Arvin site; (3) Shell changed its

delivery process so as to require the use of large

storage tanks, thus necessitating the transfer of

large quantities of chemicals and causing

leakage from corrosion of the large steel tanks;

(4) Shell provided a rebate for improvements in B

& B’s bulk handling and safety facilities and

required an inspection by a qualified engineer;

(5) Shell regularly would reduce the purchase

” The panel's attempt to sidestep McColl is inapposite. The

panel notes that McColl viewed control as a “crucial element” of

arranger liability only because the United States in that case,

unlike Shell here, never owned the hazardous substances before

disposal. Panel Op. at 951. Even though the panel may have

wished it were otherwise, McColl’s holding is not so limited: “We

agree with the Oil Companies and the district court that control

ts a cructal element of the determination of whether a party ts

an arranger under § 9607(a\3).” McColl, 294 F.3d at 1055

(emphasis added).

73a

price of the D-D, in an amount the district court

concluded was linked to loss from leakage; and

(6) Shell distributed a manual and created a

checklist of the manual requirements, to ensure

that D-D tanks were being operated in ac-

cordance with Shell’s safety instructions.

Id. at 950-51 (emphasis in original).

This is insufficient to establish Shell’s “actual

control” of the D-D transfer from the tank-trucks to B

& B’s storage tanks. This evidence at best establishes

Shell’s influence over the transfer process (e.g.,

through rebates, the provision of manuals and

checklists, etc.?, which falls far short of the actual

control required by McColl. Shell did not own or

operate the B & B facility, nor did any Shell

employees play a role in the D-D transfer. The

evidence in fact establishes that Shell relinquished

control over the D-D once the common carrier arrived

at the B & B site and before the transfer of D-D.

The district court found, and the panel does not

dispute, “stewardship” of D-D passed to B & B when

the common carrier arrived at the B & B facility.

Atchison, 2003 WL 25518047, at *23. The Conditions

of Sale stated B & B would “furnish and maintain

facilities for receiving and storing all Products deliv-

ered, which are safe, adequate and in compliance

with all applicable governmental requirements and

shall unload each delivery promptly and at Buyer’s

own risk and expense.” See id. at *68 (emphasis

added). Thus, Shell did not have “actual control” over

the transfer of D-D and cannot be held liable as an

arranger.”

“ The panel also imposes joint and several liability on Shell,

rejecting as legally insufficient the district court's appor-

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IV.

En banc rehearing was necessary because the

panel’s broad definition of arranger liability and its

erroneous application of CERCLA apportionment

principles impose CERCLA liability where Congress

did not intend. The panel decision creates disorder in

CERCLA jurisprudence by causing intra- and inter-

circuit conflicts in an area where uniformity over the

interpretation of the federal statutory law, based on

commonlaw principles, is of the utmost importance.

Under the panel’s CERCLA apportionment anal-

ysis, a landowner who leases a lot to an outfit that

contaminates the land while going broke will be stuck

tionment calculations based on the amount of D-D spilled

during the transfer process. Panel Op. at 945-48. Even

assuming Shell can be held liable as a CERCLA arranger, the

panel errs in holding Shell jointly and severally liable for the

entire contamination, including contamination from products

Shell did not sell to B & B.

The panel notes it docs not hold Shell liable for the clean-up

of the “Dinoseb hot spot,” a discrete area on the east side of the

B & B parcel that was contaminated by a majer Dinoseb (a Dow

product) spill in 1983. See id. at 952 & n. 35. According to the

panel, this means Shell is not liable for contamination from

products it did not sell. Jd. The panel is quite incorrect. First,

the panel still holds Shell liable for Dinoseb spills outside the

discrete “Dinoseb hot spot” and elsewhere un the B & B facility,

even though Shell did not manufacture or sell Dinoseb. See

Atchison, 2003 WL 25518047, *91 (“Thle] [EPA’s] removal action

fon the “Dinoseb hot spot”) was intended to remediate only the

[D}inoseb that contaminated the [“Dinoseb hot spot”], not the

entire site.”); Panel Op. at 945-48. Second, Shell’s arranger

liability is premised solely on the D-D spills, not spills of

Nemagon or Dinoseb. See Panel Op. at 945-51. Regardless, the

panel holds Shell jointly and severally liable for the contami-

nation resulting from all three products-Nemagon, Dinoseb, and

D & D-spilled on the B & B facility. See id. at 945-48.

75a

with the entire clean-up bill—notwithstanding the

leased lot’s size compared to the overall facility at

which pollution disposal occurred, the length of the

lease compared to the period of the contamination, or

the contamination actually attributable to the leased

lot. That is, the lessor will pay all clean-up costs

unless he comes up with records that show how much

was spilled, where, and when—although the panel

candidly acknowledges that no one could be expected

to keep such records. The lessor will also pay unless

he can come up with records of the cleanup and the

cost thereof, even if he did not do the clean-up.

Further, under the panel’s novel definition of

“arranger” liability, sellers of chemical products will

be saddled with the entire clean-up cost of a facility

contaminated in part with their products, even if

they lacked control over the products spilled fol-

lowing the sale.

Accordingly, I respectfully dissent from the denial

of rehearing en banc.

BEST AVAILABLE COPY

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APPENDIX

Site Map

77a

APPENDIX B

UNITED STATES DISTRICT COURT,

E.D. California.

Nos. CV-F-92-5068 OWW, CV-F-96-6226 OWW,

CV-F-96-6228 OWW

UNITED STATES OF AMERICA AND

DEPARTMENT OF TOXIC SUBSTANCES CONTROL

OF THE STATE OF CALIFORNIA,

Plaintiffs,

Vv.

THE ATCHISON, TOPEKA & SANTA FE

RAILWAY COMPANY et al.,

Defendants.

and

Related Cross-Claims and Third Party Actions.

July 15, 2003

AMENDED FINDINGS OF FACT AND

CONCLUSIONS OF LAW

Fed.R.Civ.P. 52(a)

OLIVER W. WANGER, United States District Judge.

A bench trial was held in the above entitled matter

between March 3-May 14, 1999 in Fresno, California.

Plaintiff United States EPA was represented by

James MacAyeal, Esq., Victoria Lang, Esq. and

Stephanie Johnson, Esq. Plaintiff State of California

DTSC was represented by Reed Sato, Esq. Defen-

78a

dants Southern Pacific Transportation Co. and the

Atchison, Topeka & Sante Fe Railroad Co. (“Rail-

roads”) were represented by Ike Lasater, Esq., Nance

F. Becker, Esq., and Marc A. Zeppetello, Esq.

Defendant Shell Oil was represented by Randall

Heldt, Esq., Michael Johnson, Esq., and David Earle,

Esq. On May 24, 2002 the court issued Findings of

Fact and Conclusions of Law _ pursuant to

Fed.R.Civ.P. 52(a).

On August 22, 2002 the court issued an Order to

Modify Findings of Fact and Conclusions of Law, and

then on September 26, 2002 the court issued an

Order amending the Findings of Fact and Conclu-

sions of Law based on a stipulation by the parties.

The parties subsequently filed various motions to

amend the court’s Findings of Fact and Conclusions

of Law under Fed.R.Civ.P. 52(b) and 59(a). On May

28, 2003 the court issued a Memorandum Opinion

and Order ruling on the parties’ motions to amend

the Findings of Fact and Conclusions of Law, grant-

ing in part and denying in part the parties~-motions.

On June 13, 2003, the court issued an errata Order

on defendants’ motions to amend.

The following amended findings of fact and

conclusions of law are made pursuant to Fed.R.Civ.P.

52(a).

I. BACKGROUND

In 1975, Brown & Bryant, Inc. (“B & B”) began

leasing an acre of land adjacent to a four acre parcel

it owned in order to complement its agricultural

chemical distribution business in Arvin, California.

The leased acre was jointly owned by the Defendant

Southern Pacific Transportation Co. and the Atchison,

Topeka & Sante Fe Railroad Co. B & B commenced

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business at the Arvin property in 1960 and ceased

operations in 1989.

B & B used the leased acre (“Railroad Parcel”) over

the lease term to park the fertilizer and chemical

spray rigs used to transport various chemicals to its

customers, until 1989. In 1983, the State of Cali-

fornia’s Department of Health Services (“DTSC”)

found Brown & Bryant in violation of several

hazardous waste laws. A separate United States

Environmental Protection Agency (“EPA”) investiga-

tion found evidence of substantial soil and ground-

water contamination at B & B’s Arvin operations.

Pursuant to cleanup authority under the Com-

prehensive Environmental Response, Compensation

and Liability Act, 42 U.S.C. § 9601 et seq. (CERCLA),

the EPA and DTSC incurred remediation costs. A

bench trial was held before the court from March 30,

1999 to May 14, 1999. B & B is bankrupt. Its default

has been entered. B & B did not appear at trial. The

state and federal governments seek to recoup their

costs from the Railroads and Shell. All parties sub-

mitted proposed Findings of Fact and Conclusions of

Law on July 19, 1999. All parties responded to the

proposed facts and conclusions by August 18, 1999.

Closing arguments were held before the court on

September 28, 19 99.

II. PRELIMINARY MATTERS

A. Legal Standard

In trials without juries, Fed.R.Civ.P. 52(a) requires

a court to “find the facts specially and state sepa-

rately its conclusions of law thereon.” See Barnett v.

Sea Land Service, 875 F.2d 741, 744 (9th Cir. 1989).

j

®t

80a

B. Judicial Notice

Both the Railroads and Shell move for judicial

notice of EPA responses to June 1999 Freedom of

Information Act requests regarding the chemical

1,2,3-trichloropropane. Federal Rule of Evidence 201

provides in pertinent part:

A judicially noticed fact must be one not subject

to reasonable dispute in that it is either (1)

generally known within the territorial jurisdic-

tion of the trial court or (2) capable of accurate

and ready determination by resort to sources

whose accuracy cannot reasonably be questioned.

A court shall take judicial notice if requested

by a party and supplied with the necessary

information.

The EPA documents sought to be judicially noticed

state that EPA has concluded 1,2,3-trichloropropane

is not a hazardous substance under CERCLA and

that its listing in the Code of Federal Regulations

was an error. The letters are judicially noticed as to

their existence and the finding of non-hazardousness

as to 1,2,3-trichloropropane.

III, FINDINGS OF FACT

A. B & B’s Arvin, California Operations

l. B & B first began operating a fertilizer and

agricultural chemical storage, distribution and custom

ag-chemical applicator facility at 600 S. Derby Street,

Arvin, California in 1960 on a leased parcel of land

previously used as farmland. See Ex. G-1; Ex. G-2,

Pre-Trial Order, March 2, 1999, Undisputed Fact 1.

2. The B & B plant ultimately came to include

two parcels: (1) the original parcel leased in 1960 and

later purchased by B & B in 1976 (the B & B parcel);

8la

and (2) a smaller adjoining parcel to the west of the

first parcel owned jointly by The Atchison, Topeka &

Santa Fe Railway (now known as the Burlington

Northern and Santa Fe Railway Company) and

the Southern Pacific Transportation Company (now

known as the Union Pacific Transportation Com-

pany) (the “Railroads”) (the Railroad parcel). See Ex.

G-]; Ex. G-2.

3. The overall size of B & B’s Arvin operations

was 4.7 acres: the Railroad parcel is 0.9 acres and the

adjoining B & B parcel is 3.8 acres. See Ex. G-6, at 4

(B & B parcel is 3.8 acres); Ex. G-3, at 1 (B & B Arvin

Plant is 4.7 acre site).

4. Before the 1975 lease, the Railroads andB & B

entered into a 1960 rail spur agreement allowing B &

B to construct and use a rail spur along the west side

of the warehouse. See Ex. G-1; Testimony of John H.

Brown at 779 (“Brown”).

5. Generally, any property to the west of the

warehouse is Railroad parcel. Jd. at 778; Ex. G-28.2.

6. «ine exclusive purpose of the 1975 lease be-

tween the Railroads and B & B was for parking

“fertilizer rigs.” See Ex. G-19. A “fertilizer rig” is a

generic term that refers to any application rig,

whether for ag-chemicals, weed killer or fertilizer.

Brown at 1003.

7. During the lease, the Railroads inspected the

plant and knew that B & B was in the business of

distributing chemicals other than fertilizers and that

B & B used the leased parcel as a part of its total

agricultural chemical operations. See Ex. G-28.1

(“Fenced open storage of farm chemicals and miscel-

laneous equipment. This leased area was fully used

as an integral part of the adjacent farm chemical

82a

distribution facility.”); Ex. G-28.2 (“active site fully

used for handling & storage of farm chemicals”);

Brown at 1004 (Railroads inspected property); /d.

(B & B’s logo, prominently displayed on the large

UN-32 tank, stated: “Brown & Bryant Agricultural

Chemicals”); J. Stuart Ondeck Dep. at 67 (Railroad

inspector noted in 1978: “Fenced open storage of farm

chemicals and miscellaneous equipment. This leased

area is fully used as an integral part of the adjacent

farm chemical distribution facility.”).

B. Site Characteristics

8. The 4.9 acre property is located in an alluvial

fan characterized by vertically heterogeneous soils

including sands, silts, clays, and gravels of various

porosities. Average rainfall is approximately 6 inches.

ROD (Ex. 1466) at 6; Testimony of Don R. Woody

(“Woody”) at 393:9-24, RI/FS, Ex. 1464A, at RI-3-2.

9. The groundwater at the site is divided into

three zones: 1) the upper level, or A-zone, is a

perched aquifer encountered 60-80 feet below ground

surface (bgs): 2) the next level, or B-zone, is encoun-

tered at approximately 150 feet bgs; the A and B

aquifers are separated by a generally impervious, but

leaky, clay aquitard; 3) the deepest groundwater, the

C-zone, at about 200 feet bgs, is a regional confined

aquifer separated from the B-zone by an imperme-

able layer known as the Corcoran clay. Only the C-

zone is currently used as a source of drinking water.

Woody, 394:17-395:8; 499:1-9; RI/FS (Ex. 1464), Fig.

3-3; Testimony of Thomas Huetteman (“Huetteman”)

at 668:5-8 (no planned use of B-zone for drinking

water).

10. The water in the A-zone flows in a generally

west/southwest direction at a rate of 53’ per year. The

83a

flow direction varies at different locations under the

site.

11. The nearest drinking water well is Arvin

municipal well No. 1 (Arvin well), located 1700 feet

southwest of the site. This well draws water exclu-

sively from the C-zone aquifer.

12. Although there is no evidence that the C-zone

is at present risk of contamination from this Site, the

EPA is concerned about potential contamination of

this well due to the fact that the gravel packing

around the well may permit contaminated water to

infiltrate from the B-zone. No such contamination

has occurred to date.

13. To the parties’ knowledge, no additional do-

mestic wells are planned in the vicinity of the site.

Testimony of Robert Mandel (“Mandell”) at 265:1-17;

Woody, 400:1-403:8; Huetteman, 610:7-12, 615:24-

617:6; Testimony of Cynthia Wetmore (“Wetmore”) at

2074:1-5, 2076:8-14.

14. The B-zone flows in a southern or easterly

direction, away from the Arvin well. Testimony of Dr.

Daniel Stevens (“Stephens”) at 3699:7-14.

C. The Arvin Facility Stored the Chemicals D-D,

Nemagon, and Dinoseb.

15. B & B’s Arvin site business sold to and applied

to fields of local growers, agricultural chemical pro-

ducts manufactured by various companies. Brown

at 755. B & B stored and distributed several Shell

agricultural chemical products, including the soil

fumigants D-D and Nemagon. 7d. at 757.These pro-

ducts were designed to kill nematodes, which are

microscopic worms that attack the roots of crops.

Testimony of William Haverland (“Haverland”) at

2175-76.

84a

16. Shell D-D is a nematocide. Its dominant con-

stituents include a combination of 1,2-dichloropro-

pane and cis-1,3-dichloropropene, and _ trans-1,3-

dichloropropane with a small quantity of 1,2,3-

trichloropropane. Testimony of Dr. George Deeley

(“Dr.Deeley”) at 2738-39, 2741-42. Shell Nemagon

contains dibromochloropropane, or DBCP. 7/d. at

2748-49.

17. B & B also carried pesticide products (Vidden-

D, Telone, and Telone II) manufactured by the Dow

Chemical Company. B & B’s in-house policy was

to sell the Dow products out of B & B’s Shatter,

California location. Brown at 762-63. The Dow pro-

ducts B & B sold out of Arvin were generally products

that Shell did not make, such as dinitro (dinoseb)

weed killer. Jd. at 763.

18. D-D was available for purchase in either 55-

gallon drums or in bulk tank truckloads. Ex. 1080;

Haverland at 2249:9-2250:4. Prior to the mid-1960s,

B & B purchased D-D in 55 gallon drums. By the

mid-1960s, it purchased the D-D in bulk. Brown at

757:6-758:3.

19. D-D was manufactured at Shell’s refineries in

Norco, Louisiana and Deer Park, Texas and sent

by railcar to storage facilities which Shell leased

from GATX in San Pedro, California. Haverland at

2200:23-2202:1. When B & B wanted to purchase D-

D, it would place an order with Shell’s order desk

located in San Ramon, California. The order center

would then call the facility from which the product

was being shipped in order to release it and make

arrangements for shipment of the product to the

customer. Jd. at 2203:11-25.The amount of product

paid for by B & B was determined by weighing the

common carrier’s empty truck on the way into the

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GATX facility to obtain the tare weight and then

weighing the full truck on the way out. The tare

weight is deducted from the gross weight, to reach

the net weight of the product. Jd. at 2209:24-2211:5;

Ex. 1199, 3-4.

20. Shell’s D-D sales to B & B for 1972 were

106,000 gallons. 1973 Marketing Agreement, Rail-

roads’ Trial Ex. 1070, Bates No. S000266. B & B’s

Nemagon purchase for 1972 was 4,000 gallons. /d.

In 1979, the D-D sales was 125,000 gallons. 1980

Marketing Agreement, Railroads’ Trial Ex. 1071,

Bates No. 063502. In 1982, Shell’s D-D sales to B & B

were 141,000 gallons. 1983 Marketing Agreement,

Railroads’ Trial Ex. 1072, Bates No. 063323. In

1983, B & B’s D-D sales were 132,340 gallons. 1984

Marketing Agreement, Railroads’ Trial Ex. 154 Bates

No. 063126. Shell estimated its B & B D-D sales for

1984 were 26,000 gallons. /d.

21. D-D bound for the Arvin facility was shipped

by common carrier trucks from the GATX facility in

San Pedro. Jd. at 2207:12-17.There is no evidence D-

D was ever shipped by railcar to the Arvin facility. D-

D was shipped by tank truck to the Arvin facility

“FOB Destination.” It was Shell’s intent that B & B

take responsibility for the product when it arrived at

B & B’s facility. Jd. at 2207:15-2209:22, 2225:1-21; see

e.g., Exs. 1199, 2, 1080. Shell intended that B & B

should be responsible for handling D-D after the

common carrier tank truck arrived at Arvin. See, e.g.,

Ex. 1199, Conditions of Sale, at 7, section 3.

22. Shell did not sell D-D FOB shipping point

(Texas or San Pedro). No testimony was adduced that

Shell ever required B & B to take control of and be

responsible for all aspects of delivery from the

shipping point. Shell sold D-D as a new product. It

86a

was not a waste product. Shell did not sell D-D on

consignment to B & B at any time. B & B did not

have to formulate D-D for use.

23. A D-D pull rig was a 500-gallon or 600-gallon

tank mounted on a two-wheel trailer. Testimony of

Lonnie Merryman at 11-12, 83 (*Merryman”). The D-

D pull rig had 12 to 16 hollow shanks, or “tines,” with

hoses in each shank to pump the D-D soil fumigant

into the ground. Jd. at 12, 83.When used as a pesti-

cide, the product is injected into the soil about 6 to 12

inches below the surface, the soil is then sealed

with a drag ring roller or press wheel, and the D-D

volatilizes in the soil killing nematodes. Haverland at

2175-2176.

24. Dragging a D-D rig in the field generated a

great deal of dust. The D-D rigs had filters to trap

sediment. Merryman at 13. The D-D pull rigs had a

filter at the bottom of the D-D rig tank and a smaller

three-quarter inch filter for the pump that trans-

ferred D-D to the shanks on the back of the rig. Jd. at

13-14. Each of the 12 to 16 tubes in each shank had a

small strainer. Jd. at 12-14, 83.

25. Before taking D-D rigs to the field, B & B

servicemen put on rubber gloves, opened the strainer

caps and checked the filters and strainers to see if

they needed to be cleaned. Id. at 14-18, 81-82.

Checking filters resulted in spills of D-D onto the

ground of one quart or less. Jd. at 16, 81; Brown at

1005.

26. D-D rigs were parked on the Railroad parcel.

Id. at 15-16, 81, 113-14; Brown at 1003. Filters were

checked 20 times a month, at least. Merryman at

113.

87a

27. D-D rigs were used all year, but mostly in the

summer. /d. at 15, 114.

28. The D-D rigs were not usually washed out

unless they became full of sediment. Jd. at 14, 16,

110.

29. No Shell employee ever directed or assisted the

washing out of the D-D rigs. Jd. at 110.

30. D-D rigs had a plastic or “corlon” sight gauge

tube on the end of the tank. Jd. at 14-15; Brown

at 822. The D-D tank and the sight gauge were

connected so that if the tank were half full, the sight

gauge would read half full. Merryman at 15.

31. Exposure to sunlight made these tubes brittle.

Brown at 822; Ex. 1123, at Bates No. 5003566 (Shell

technical Lulletin: “sight tube, (a poor but acceptable

alternate)... Tube material must not be attacked by

tank contents or the natural environment (sun-

light).”).

32. Sight gauges regularly broke. A hard wind

would cause breakage of brittle gauges. When this

occurred the contents of a half-filled tank would

slowly spill on the ground through the sight gauge.

Merryman at 104; Brown at 823. B & B was not

always “quick enough to replace” sight gauges and

“would lose material.” Brown at 822.

D. D-D Spills Occurred from D-D Nurse Tanks

33. Nurse tanks were four-wheeled mobile tanks

that were generally of two sizes: 2,000 and 2,600

gallons. Merryman at 9, 69. Nurse tanks were sta-

tioned at the grower’s field to receive liquid product

from B & B’s tank truck into either kit tanks

mounted on tractors or into tanks on a pull rig. /d. at

88a

9; Brown at 841. B & B would move the nurse tank

from one farmer’s field to another. Jd. at 69.

34. B & B’s employees rinsed out nurse tanks at

the wash rack on the B & B parcel unless the nurse

tank was going back out to another job the next day

with the same material. Jd. at 16-17, 80.If the nurse

tanks were going to be idle, they would be washed out

and parked on the Railroad parcel. Sometimes too

many nurse tanks were lined up for washing, so the

D-D nurse tanks were parked west of the warehouse

on the Railroad parcel. Jd. at 16-17.

35. The D-D nurse tanks also had filters at the

bottom of the tank that had to be checked prior to

use. Jd. at 17, 80, 82.The process of checking nurse

tank filters sometimes caused spills of less than a

gallon of D-D rinsate. Jd. at 17, 81-82.Sometimes a

pint or a quart of D-D spilled. Jd. at 81.

36. The servicemen preferred to check the filters

near the wash rack due to the effect D-D could have

on the employees’ skin. Merryman at 82-83.

37. Nurse tanks also had sight gauges that broke

from time to time. /d. at 112.

E. Spillage and Transfers to D-D Bobtails During

Downloading Occurred All Over the Arvin Site

After a Windstorm Destroyed the Bulk Storage

Tank

38. A “bobtail” is a two-ton truck with a 1,800 to

2,000 gallon tank mounted on the truck. Merryman

at 9-10. The bobtail was used to transport fertilizer or

D-D over the roads to nurse tanks. Jd. at 9, 19, 69.

39. The transfer of liquid material by B & B

employees from bulk storage tanks located on the

B & B parcel to bobtails commonly resulted in leaks

ae

89a

and spills to the ground on a daily basis, wherever

transfer took place. Jd. at 34-37.

40. Sometimes 5-gallon buckets would be used to

catch material-not just D-D-when hoses were being

unhooked from tanks. The collected material would

be put back in the tank. Merryman at 36.

41. In 1978, the bulk D-D storage tank used to

store Shell D-D was destroyed in a windstorm. B & B

then used converted stainless steel milk trailers to

store bulk D-D. Merryman at 19-21, 61; Brown at

794-95, 798-99. These temporary tanks were kept

all over the Arvin site, including the area west of

the warehouse-the bobtails would download material

from the tanks. Merryman at 19-21.

F. Dinoseb Was Stored on the Railroad Parcel

42. B & B stored containers of Weed Killer D

(dinoseb) in 55-gallon drums and 5 gallon cans on a

concrete apron along the warehouse wall on the

Railroad parcel. Merryman at 31-32. B & B stored

the Weed Killer D outside because if the drums and

cans leaked, it was “real messy.” Jd. at 31-32, 101.

Moreover, B & B did not store Weed Killer D in the

warehouse because it was a low cost product “that

nobody . . . would steal.” By contrast Nemagon was

stored in the warehouse. /d. at 32.

43. B & B used a hose to wash off the apron when

the dinoseb leaked. Dinoseb washed on to the ground.

Id. at 32-33; see also Mandel at 263-64; Woody at 337,

441.

G. The Warehouse Occasionally Was Washed Out

44. Cans of products more valuable than dinoseb,

such as Nemagon, Fumazone and Round-Up, were

stored inside the warehouse. Merryman at 33-34.

90a

Before occasional company barbecues, B & B employ-

ees emptied the warehouse, swept the concrete floor

and hosed it out, washing the water out of all three

doors of the warehouse, including the doors that were

on the west side of the warehouse. Jd. The rinsate

was washed onto the ground.

H. Empty Cans were Stored on Railroad Parcel.

45. B & B retrieved used cans of pesticide products

from growers’ fields and stored the used, unrinsed

cans for as long as a year before crushing them and

sending them to a landfill. Brown at 829; Merryman

at 113.

46. B & B stored used 55 gallon drums of dinoseb

on the Railroad parcel. /d. at 31.

47. Every two or three months the cans would be

collected and crushed. Crushing the cans near the

UN-32 tank on the B & B parcel caused residual

liquid to spill on the ground. Merryman at 62-65. The

wet areas were two to three inches deep and as much

as six feet across. Jd. at 100.

48. Weed Killer-D (dinoseb) has a particular dark

yellow-orange color when it makes contact with the

ground. Merryman at 74.

49. Mr. Merryman, a B & B employee from 1972 to

1981, testified that there were always “small leaks.”

Id. at 75.

50. Shell Nemagon, which contained DBCP, came

to the Arvin plant in 30-gallon drums and 5-gallon

drums: /d. at 28.After the 30-gallon Nemagon drums

were emptied, they were stored on the Railroad

parcel. Jd. at 28-29. Residual contents of used

Nemagon containers leaked onto the ground. /d. at

97-99.

9la

51. Nemagon also came in 5-gallon cans. Id. at

29.After the 5-gallon cans were emptied, the cans

would be brought back in the yard and stored at the

can storage area marked as “D” on Exhibit G-100.

Id. at 29-30.The 5 gallon empty cans were trans-

ferred to the Railroad parcel, where the empty 30-

gallon Nemagon drums were stored, because the

small can storage area became flooded when it

rained. /d. at 30.

I. Interaction between Run-off from the Railroad

Parcel and the B & B Pond

52. The B & B parcel was graded towards the

southeast waste pond (pond). Merryman at 25, 45-46,

79, 92-93, 112; Brown at 779-80; Testimony of Gary

J. Leary (“Leary”) at 1833. Brown testified that a

small pipe under the railroad spur tracks allowed the

water on the Railroad parcel to drain to the pond.

Brown at 779-80. Although there was a small berm

around the pond before it was lined in 1979, a 12-inch

pipe buried in the ground allowed water from the low

area near the pond to drain into the pond. Merryman

at 93.

53. When the sump near the B & B wash rack was

lined in 1979, B & B installed a pipe to connect the

sump to a lined sediment sump near the pond.

Merryman at 25-27. B & B also connected this sedi-

ment sump to the pond, which was then lined. Jd.

Mr. Merryman testified that the purpose of the pond

prior to 1980 was simply to collect rainwater runoff

from the entire plant. Jd. at 777-78. EPA documenta-

tion, its consultant, and another B & B employee

suggest the pond was in fact connected to the sump

as early as 1960. (Canonie Environmental Closure

Plan-Arvin Facility [Ex. G-9, Vol. 2, AROO11, 5];

92a

Dickey Depo., Ex. 3051, 40:10-21. Mr. Dickey worked

at Arvin from 1970-77. Dickey Dep., 9:2-19.

54. The B & B plant was oiled with a dust binder,

except for areas near concrete or the gravel under the

tank farm. Merryman at 22-23, 78-80; Brown at 780;

Leary at 1832-34, 1859-60.

55. The oiled surface developed cracks and flaws

and showed exposed dirt. Merryman at 22-23; Leary

at 1834.

J. [Stricken]

56. That a release of a hazardous substance occurs

at the surface of the property does not per se

establish that the substance reached the subter-

ranean groundwater. See Testimony of Dr. Gary

Chirlin (“Chirlin”) at 1722:7-11, 1755:2-24.

57. To confirm a surface release migrated to

groundwater requires: (1) sampling results showing a

vertical trail of contamination from the surface to

the groundwater, and (2) increased concentrations of

contamination in the groundwater below and down-

gradient of the release point. Chirlin, 1678:17-

1679:14.

58. Such a combination of factors is present on the

B & B parcel. Dr. Chirlin did not observe it on the

Railroad parcel. He found no evidence of an inde-

pendent plume of groundwater contamination caused

by surface releases on the Railroad parcel. Chirlin at

1680:16-16°2:13, 1685:5-16; Chirlin Dep. at 70:11-

71:14; Stephens at 3658:12-25, 3660:13-3661:1 (no

continuous columns); 3701:4-11 (the groundwater

data does not suggest a source on the Railroad

parcel).

93a \

59. The remedial goal for the A-zone groundwater

was 10-100 times the applicable Maximum Contami-

nant Levels (MCLs) the EPA sets for 1,2-DCP and

the DTSC sets for chloroform, DBCP, 1,2-DCP,

dinoseb, and EDB. The theory behind this goal was

that, “at this level, you could leave the A-zone alone

and you could let natural processes occur and it

would not continue to impact the B-zone in a negative

way.” ROD, Ex. 1466, 12; Huetteman at 574:13-

575:15.

60. The levels of contamination reported in the A-

zone groundwater beneath the Railroad parcel above

gridline 14 on Ex. 687, above well WA-03, are too

low to require remediation. Huetteman 633:2-634:2;

Stephens at 3960:6-3966:6. Even if hazardous sub-

stances were released in this area, they will not cause

or contribute to the Governments’ incurrence of

response costs. See Huetteman at 634:23-637:12 (he

did not evaluate whether any Railroad parcel] [sic]

spills impacted groundwater); Walton at 35:23-36:23,

38:12-18 (his model is intended to show a range of

possibilities of a spill being followed by a runoff-

producing rainfall event; it does not show the prob-

ability that a spill will reach the groundwater);

115:18-21, 116:17-117:8, 132:18-25, 183:10-23; 4118:

22-4119:5 (he did not quantify the amount of any spill

that theoretically could have reached the pond as

runoff); Chirlin at 1583:1-20; 1671:4-10, 1672:2-11;

1692:11-18; 1716:2-19, 1717:2-13; 1718:4-11 (Dr.

Chirlin has no opinion whether the releases he

assumed occurred on the Railroad parcel reached

groundwater in sufficient quantities to cause the

concentration in the groundwater to exceed EPA’s

remediation goal of 10 times the MCLs).

94a

61. The parties agree that the most important

variable affecting the downward migration of any

chemical substance released at the Arvin Site ground

surface is the amount of water. Walton at 86:19-87:7;

88:5-9; Chirlin at 1747:15-25 (regardless of whether

we are talking about surface runoff or downward

migration, the flow of water containing dissolved

chemicals is the source of groundwater contamina-

tion at Arvin); ROD, Ex. 1466, at 9.

62. Other factors affecting contaminant transport

include: the wind and temperature (higher tempera-

ture and wind increase the rate of evaporation); the

porosity of the soil; the amount of organic carbon in

the soil; and the molecular weight and chemical

properties of the particular contaminant.

63. When a material is spilled on the soil, a dy-

namic process occurs whereby some of the material

volatilizes or evaporates into the air, and some of it

enters the soil. Materials absorbed into the soil will

continue to volatilize and, if water is present, will

dissolve, evaporate and move with the water. If

sufficient water is present, chemical material will

move downward until it reaches a “residual satura-

tion level,” at which the material is static. Deeley at

2769: 14-2773:12; 2795:13-2796:8; Stephens at 3762:5-

22.

64. Evaporation from siallower soils alters the

concentration gradient, which draws materials up

from deeper soils. This is particularly pronounced

beneath asphalt paving, which heats up more than

the air and draws moisture out of the upper soil

profile. This phenomenon is known as barometric

pumping. Stephens at 3628:14-3631:23; Deeley at

2778:25-2779:23, 2782:6-18.

95a

65. In the absence of added water, a spill of at

least 500 gallons (on bare soil) or in excess of 10,000

gallons (on intact asphalt) of a volatile chemical such

as 1,2-DCP would be required on the Railroad parcel,

before a spill would reach groundwater in concen-

trations sufficient to require a remedial response.

Stephens at 3681:5-3686:5; See Walton at 86:2-4 (“If

you don’t have water with the spill and you don’t

have preferential pathways, it [1,2-DCP or D-D)

tends to evaporate and it tak

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Appendix — Shell Oil Co. v. United States (Nos. 07-1607, 07-1601) | Frix