Approval and Promulgation of Implementation Plan; Michigan

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[MI04-01-5160B, MI30-01-6427B, MI31-01-6428B, MI32-01-6429B; FRL-5028-

1]

Approval and Promulgation of Implementation Plan; Michigan

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: The United States Environmental Protection Agency approves the

State Implementation Plan (SIP) revision submitted by the State of

Michigan for the purpose of establishing new Reasonably Available

Control Technology (RACT) rules for sources of volatile organic

compounds (VOCs). On June 12, 1993 and November 12, 1993 the Michigan

Department of Natural Resources (MDNR) submitted VOC rules to the EPA

as proposed revisions to Michigan's ozone SIP. These revisions address

deficiencies listed in letters dated December 11, 1990 and August 23,

1991 to the State of Michigan commenting on proposed State regulations

(addressing the requirement of the Clean Air Act, as amended in 1990,

(Act) that States correct deficient VOC RACT rules (``fix-up''

requirement)) and the requirement of the Act that States adopt VOC RACT

rules where not previously required (``catch-up'' requirement).

Further, these revisions address deficiencies in Rules 628 and 629

which were disapproved on December 12, 1993 (58 FR 64678). The

rationale for the approval is set forth in this final rule; additional

information is available at the address indicated. Elsewhere in this

Federal Register, EPA is proposing approval of, and soliciting public

comment on, this requested SIP revision. If adverse comments are

received on this direct final rule, EPA will withdraw this final rule

and address the comments received in the final action on the proposed

rule published in the proposed rules section of this Federal Register.

Unless this final rule is withdrawn, no further rulemaking will occur

on this requested SIP revision.

DATES: This final rule will be effective November 7, 1994, unless

notice is received by October 7, 1994, that someone wishes to submit

adverse comments. If the effective date is delayed, timely notice will

be published in the Federal Register.

ADDRESSES: Written comments should be sent to: Carlton T. Nash, Chief,

Regulation Development Section, Air Toxics and Radiation Branch (AT-

18J), EPA, Region 5, 77 West Jackson Boulevard, Chicago, Illinois

60604-3590.

Copies of the SIP revision request and the EPA's analysis are

available for inspection at the following address: (It is recommended

that you telephone Douglas Aburano at (312) 353-6960 before visiting

the Region 5 office.) EPA, Region 5, Air and Radiation Division, 77

West Jackson Boulevard, Chicago, Illinois 60604-3590.

FOR FURTHER INFORMATION CONTACT: Douglas Aburano, Air Toxics and

Radiation Branch (AT-18J), EPA, Region 5, Chicago, Illinois 60604,

(312) 353-6960.

SUPPLEMENTARY INFORMATION:

I. Background

Under section 107 of the Clean Air Act, as amended in 1977 (1977

Act), EPA designated certain areas in each State as not attaining the

National Ambient Air Quality Standards (NAAQS) for ozone. For Michigan,

see 43 FR 8962 (March 3, 1978) and 43 FR 45993 (October 5, 1978). For

these areas, section 172(a) of the 1977 Act, required that the State

revise its SIP to provide for attaining the primary NAAQS as

expeditiously as practicable, but not later than December 31,

1982.1

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\1\The 1977 Act's requirements for an approvable SIP are

described in a ``General Preamble'' for part D rulemaking published

at 44 FR 20372 (April 4, 1979), 44 FR 38583 (July 2, 1979), 44 FR

50371 (August 28, 1979), 44 FR 53761 (September 17, 1979), and 44 FR

67182 (November 23, 1979).

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Sections 172 (b) and (c) of the 1977 Act require that for

stationary sources, an approvable SIP must include legally enforceable

requirements reflecting the application of RACT to sources of VOC

emissions. For the purpose of assisting State and local agencies in

developing RACT rules, EPA prepared three groups of Control Techniques

Guideline (CTG) documents which each establish the presumptive norm for

RACT for a specific source category. In cases where the State adopts

rules that are less stringent than in the CTG, the State must justify

that those rules are RACT for that source or source category. In

partial response to the requirement for VOC RACT rules, the State of

Michigan submitted and EPA approved controls representing the

application of RACT for certain stationary sources of VOCs covered by

the first two groups of CTGs (RACT I--40 CFR 52.1170(c)(16) (45 FR

29790); 40 CFR 52.1170(c)(39) (46 FR 43422); 40 CFR 52.1170(c)(56) (47

FR 32116) and RACT II--40 CFR 52.1170(c)(56) (47 FR 32116)).

Section 172 of the 1977 Act authorized EPA to grant extensions to

those States that could not demonstrate attainment of the ozone

standard by December 31, 1982 if certain conditions were met by the

States in revising their air pollution control program. These areas

became known as extension areas. Michigan requested and received an

extension to December 31, 1987 for achieving the ozone NAAQS in Wayne,

Oakland and Macomb Counties. This extension was granted on June 2, 1980

(45 FR 37196) and obligated the State to develop, for those counties,

RACT regulations for sources that are addressed by the Group III CTGs

(RACT III) and RACT regulations for major sources that are not

addressed by a CTG (major non-CTG RACT).2

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\2\On January 22, 1981, (46 FR 7182), USEPA published guidance

for the development of 1982 ozone SIPs in ``State Implementation

Plans: Approval of 1982 Ozone and Carbon Monoxide Plan Revisions for

Areas Needing an Attainment Date Extension''.

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On May 26, 1988 pursuant to section 110(a)(2)(H) of the 1977 Act,

EPA Region 5 notified Governor James J. Blanchard that the Michigan SIP

was substantially inadequate to attain and maintain the ozone standard

and requested that deficiencies in the existing SIP be corrected (EPA's

SIP-Call). Among other deficiencies, EPA noted that the State had not

yet submitted the RACT regulations for sources in Wayne, Oakland and

Macomb Counties that were covered by the third set of CTGs.

On November 15, 1990 the Clean Air Act Amendments of 1990 were

enacted. Public Law 101-549, 104 Stat. 2399 (codified at 42 U.S.C. 7401

et seq.). By operation of law, the Detroit area, including Wayne,

Oakland and Macomb Counties, retained its nonattainment designation and

was classified as a moderate nonattainment area for ozone. Section

182(a)(2)(A) of the Act requires each State to submit to EPA by May 15,

1991 revisions or additions to its SIP to correct deficiencies in its

RACT rules for ozone. Section 182(a)(2)(A) of the Act applies to those

ozone nonattainment areas classified as marginal or above, and requires

States to adopt and correct RACT rules for such areas pursuant to pre-

amended section 172(b) as interpreted in pre-amendment guidance.3

Because the Detroit area (including Wayne, Oakland and Macomb Counties)

is classified as moderate, the area is subject to this RACT ``fix-u''

requirement and the May 15, 1991 deadline.

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\3\Among other things, the pre-amendment guidance consists of

those portions of the proposed Post-1987 Ozone and Carbon Monoxide

Policy that concern RACT, 52 FR 45044 (November 24, 1987); ``Issues

Relating to VOC Regulation Cutpoints, Deficiencies and Deviations,

Clarification to appendix D of November 24, 1987 Federal Register

Notice'' (Blue Book) (notice of availability was published in the

Federal Register on May 25, 1988); and the existing control

technique guidelines (CTGs).

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Other areas within Michigan also retained a designation of

nonattainment and were classified by operation of law upon enactment.

These areas are also subject to the RACT fix-up requirement. However,

under EPA's pre-amendment guidance4 interpreting the requirements

of section 172(b) these areas were not required to adopt RACT rules for

sources covered by the Group III CTGs. Therefore, for purposes of the

May 15, 1991 deadline, only three counties were required to have RACT

rules for Group III CTG sources.

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\4\The two memoranda are: May 21, 1984 memorandum entitled,

``Confirmation That Volatile Organic Compound (VOC) Regulations Are

Required for Source Categories for Which Control Techniques

Guidelines Have Been Issued'' and a June 25, 1984 memorandum

entitled, ``Applicability of Group III Control Techniques

Guidelines'' under the same signature.

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Areas that are designated nonattainment, that are classified as

moderate or above, and that were not previously required to adopt RACT

rules for sources covered by the Group III CTGs, are required to adopt

such rules under section 182(b)(2) of the amended Act.\5\ Section

182(b)(2) requires that these areas adopt RACT rules for: (1) Each

category of VOC sources in the area covered by a CTG document issued by

the Administrator between the date of enactment of the 1990 Amendments

and the date of attainment, by a date specified by the Administrator;

(2) all VOC sources in the area covered by any CTG issued before the

date of enactment; and (3) all other major stationary sources of VOCs

that are located in the area, by November 15, 1992. The requirements of

section 182(b)(2) are also referred to as ``catch-up'' requirements.

For these areas, RACT rules for the Group III CTGs are due on November

15, 1992.

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\5\This requirement would apply to the remainder of the Detroit

nonattainment area as well as the Grand Rapids (Kent and Ottawa

Counties), and Muskegon (Muskegon County) areas which are all

designated as nonattainment and classified as moderate.

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On April 28, 1989 MDNR submitted final regulations to satisfy

outstanding commitments in its 1982 ozone SIP for southeast Michigan

(Wayne, Oakland and Macomb Counties). The regulations submitted

addressed RACT III categories for fugitive VOC leaks from synthetic

organic chemical manufacturing industries (SOCMI) and natural gas

plants, Rules 628 and 629, as well as non-CTG categories for paint and

resin manufacturing and coating of auto, truck, and business machine

parts. These are rules 630, 631, and 632, respectively. At the time

MDNR submitted these rules, EPA only required adoption of rules for

Ract III categories in extension areas. However, MDNR chose to expand

the applicability of these rules to all of the counties listed in EPA's

SIP-Call, which include the Detroit, Grand Rapids, and Muskegon areas.

This submittal, therefore, addressed requirements of EPA's SIP-Call,

section 182(a)(2)(A) of the Act (for Wayne, Oakland, and Macomb

Counties), and section 182(b)(2) of the Act (for Livingston, Monroe,

St. Clair, Washtenaw, Kent, Ottawa, and Muskegon Counties).

On December 9, 1993 EPA disapproved two of the five RACT III

category rules (58 FR 40759). The rules disapproved were those that

covered VOC leaks from synthetic organic chemical and polymer

manufacturing plants (Rule 628) and natural gas processing plants (Rule

629).

On June 12, 1993 MDNR submitted final regulations to satisfy the

section 182(a)(2)(A) fix-up requirements of the Act. Included in these

regulations were changes meant to address deficiencies listed in EPA's

May 26, 1988 SIP call. Since MDNR chose to expand the coverage of these

regulations to all of the 10 ozone nonattainment counties classified as

moderate (Michigan has no ozone nonattainment classifications above

moderate), this submittal also addressed requirements under section

182(b)(2). EPA found this submittal to be complete in a letter dated

June 28, 1993 from Valdas Adamkus, EPA's Region 5 Administrator, to

Roland Harmes, Director of MDNR. This letter stopped a sanctions

process which was initiated on October 22, 1991 for failure to submit a

SIP revision to fulfill the fix-up requirements.

Under a cover letter dated November 15, 1993 MDNR submitted final

regulations to satisfy the remaining deficiencies not addressed in the

June 12, 1993 submittal, to correct deficiencies cited in the December

9, 1993 disapproval of Rules 628 and 629, and to satisfy the catch-up

requirements of section 182(b)(2) of the Act. A letter dated April 18,

1994 from Valdas Adamkus to Roland Harmes found the November 15, 1993

submittal complete for the Detroit--Ann Arbor area and halted the

sanctions process which was started on January 15, 1993 for a failure

to submit these regulations. The clock for the Muskegon and Grand

Rapids areas continued to run because of an outstanding item which was

not submitted for the western portion of the State.

A finding of completeness was made in a July 14, 1994 letter from

Valdas Adamkus to Roland Harmes for the Grand Rapids and Muskegon

areas. This finding was in response to the submittal of a non-CTG SIP

submittal made for the western portion of the State and halted the last

of the sanction clocks that were started on January 15, 1993 for the

State of Michigan.

This document proposes approval of the final regulations submitted

by MDNR on June 12, 1993 and November 15, 1993 for incorporation into

Michigan's ozone SIP.

II. EPA's Evaluation and Proposed Action

In determining the approvability of a VOC rule, EPA must evaluate

the rule for consistency with the requirements of the Act and EPA

regulations, as found in section 110 and part D of the Act and 40 CFR

part 51 (Requirements for Preparation, Adoption, and Submittal of

Implementation Plans). The EPA interpretation of these requirements,

which forms the basis for this action, appears in the various EPA

policy guidance documents listed in footnote 3. Among these provisions

is the requirement that a VOC rule must, at a minimum, provide for the

implementation of RACT for existing major stationary sources of VOC

emissions. This requirement was carried forth from the pre-amended Act.

Under the amended Act, Congress ratified EPA's use of CTG

documents, as well as other Agency policy, for requiring States to

``fix-up'' their RACT rules. See section 182(a)(2)(A).

List of Michigan Rules Submitted for Incorporation (Both June and

November Submittals)

Following is a list of the State Rules which have been modified and

are being submitted for incorporation into the federally approved SIP:

R 336.1101 Definitions; A

R 336.1103 Definitions; C

R 336.1105 Definitions; E

R 336.1116 Definitions; P

R 336.1122 Definitions; V

R 336.1601 Definitions;

R 336.1602 General provisions for existing sources of volatile organic

compound emissions

R 336.1610 Existing coating lines; emission of volatile organic

compounds from exiting automobile, light-duty truck, and other product

and material coating lines

R 336.1611 Existing cold cleaners

R 336.1619 Perchloroethylene; emission from existing dry cleaning

equipment

R 336.1620 Emission of volatile organic compounds from existing flat

wood paneling coating lines

R 336.1621 Emission of volatile organic compounds from existing

metallic surface coating lines

R 336.1622 Emission of volatile organic compounds from existing

components off a petroleum refineries; refinery monitoring program

R 336.1623 Storage of petroleum liquids having a true vapor pressure of

more than 1.0 psia, but less than 11.0 psia, in existing external

floating roof stationary vessels of more than 40,000-gallon capacity

R 336.1624 Emission of volatile organic compounds from an existing

graphic arts line

R 336.1625 Emission of volatile organic compounds from existing

equipment utilized in manufacturing synthesized pharmaceutical products

R 336.1627 Delivery vessels; vapor collection systems

R 336.1628 Emission of volatile organic compounds from components of

existing process equipment used in manufacturing synthetic organic

chemicals and polymers; monitoring program

R 336.1629 Emission of volatile organic compounds from components of

existing process equipment used in processing natural gas; monitoring

program

R 336.1630 Emission of volatile organic compounds from existing paint

manufacturing processes

R 336.1631 Emission of volatile organic compounds from existing process

equipment utilized in manufacture of polystyrene or other organic

resins

R 336.1632 Emission of volatile organic compounds from existing

automobile, truck, and business machine plastic part coating lines

R 336.1702 General provisions of new sources of volatile organic

compound emissions

R 336.2004 Appendix A; reference test methods; adoption of Federal

reference test methods

R 336.2006 Reference test method serving as alternate version of

Federal reference test method 25 by incorporating Byron analysis

R 336.2007 Alternate version of procedure L, referenced in R

336.2040(10)

R 336.2040 Method for determination of volatile organic compound

emissions from coating lines and graphic arts lines (except for

Subrules R 336.2040(9) and R 336.2040(10)).

R 336.2041 Recordkeeping requirements for coating lines and graphic

arts lines.

In reviewing these regulations submitted by the State the EPA used

guidance memoranda, the Blue Book, and the CTGS which have been issued

up to this point.

EPA's Analysis of the State's Submittal

The following is a summary of the major changes to Michigan's VOC

regulations contained in the State's submittal.

I. June 1993 Submittal

On June 12, 1993 MDNR submitted to EPA a SIP revision to address

deficiencies in the State's ozone SIP. Listed below are descriptions of

the changes contained in this submittal.

A. Rules 101, 103, 105, 116, 122 (Definitions A; C; E; P; V)

Definitions have been added or revised and include the following.

These sections have additionally been renumbered to accommodate those

definitions which have been added or deleted.

(1) MDNR has revised the definition of ``Actual emissions'' to not

apply in Parts 6 and 7 of these rules. Parts 6 and 7 regulate the

emissions of VOCs.

(2) MDNR has removed one of the two definitions of ``Air-dried

coating'' from the State's rules. Now there is only one definition

which applies to all of the rules.

(3) MDNR has revised the definition of ``Air quality standard'' to

mean the concentration and duration of an air contaminant specified by

the commission or by the national ambient air quality standards as

contained in the provisions of 40 CFR part 50 (1990), whichever is more

restrictive, as the maximum acceptable concentration and duration of

that contaminant in the ambient air.

(4) MDNR has added the definition of ``Calendar day'' which means a

24-hour time period which normally is midnight to midnight, but which

may, upon written notification to the commission, cover a different,

consecutive 24-hour time period for a specific process.

(5) MDNR has added the definition of ``Coating category'' which

means a type of surface coating for which there is a separate emission

limit specified in these rules.

(6) MDNR has revised the definition of ``Coating line'' to mean an

operation which is a single series in a coating process and which is

comprised of 1 or more coating applicators and any associated flash-off

areas, drying areas and ovens wherein 1 or more surface coatings are

applied and subsequently dried or cured.

(7) MDNR has revised the definition of ``Coating of fabric'' to

include the application of coating by saturations and impregnation.

(8) MDNR has revised the definition of ``Coating of paper'' to

include saturation.

(9) MDNR has revised the definition of ``Coating of vinyl'' to not

include the application of plastisols.

(10) MDNR has revised the definition of ``Completed organic resin''

to include dry organic resin.

(11) MDNR has revised the definition of ``component'' and lists

specific parts which are designated as ``components'' for Rules

336.1622, 336.1628, 336.1629, and specifically excludes a valve that

has no external controls, therefore having no potential to leak VOCs.

(12) MDNR has added the definition of ``Extreme environmental

conditions'' to mean any of the following: (i) Outdoor weather; (ii)

temperatures consistently above 95 degrees celsius (203 degrees

fahrenheit); (iii) detergents; (iv) abrasive and scouring agents; (v)

solvents; (vi) corrosive atmospheres; (vii) other similar harsh

conditions.

(13) MDNR has revised the definition of ``Extreme performance

coating'' to mean a coating which is designed to protect a coated part

from extreme environmental conditions and which is applied to a part

that, in its use as a finished product, is intended to be subjected to

extreme environmental conditions.

(14) MDNR has removed the definition of ``Pneumatic tire

manufacturing''.

(15) MDNR has added the definition of ``Vapor collection system''

which means, as it pertains to the provisions of R 336.1627, all

piping, seals, hoses, connections, pressure-vacuum vents, and any other

equipment between and including the delivery vessel and a stationary

vessel, vapor processing unit, or vapor holder.

(16) MDNR has revised the definition of ``Volatile organic

compound'' to mean any compound of carbon or mixture of compounds of

carbon that has a vapor pressure of more than 0.1 millimeter of mercury

at standard conditions, excluding a number of listed compounds. The

definition also includes compounds of carbon or mixtures of compounds

of carbon with a vapor pressure less than or equal to 0.1 millimeter of

mercury at standard conditions and which participates in atmospheric

photochemical reactions.

(17) The following definitions have undergone minor word changes

(for example, changing the word ``which'' to ``that''): Allowable

emissions, Coating of automobiles and light-duty trucks, Coating of

large appliances, Component, Condenser, Contemporaneous, Creditable,

Electrostatic prep coat, Equivalent method, Potential emissions,

Potential to emit, Printed interior panel, Publication rotogravure

printing, Pushside, Very large precipitator.

B. Rule 602 (General Provisions for Existing Sources of Volatile

Organic Compound Emissions)

MDNR has listed items which can deviate from the Part 6 regulations

given State approval. However, in addition to needing State approval

for any equivalent emission rate, alternate emission rate, or

compliance method, any provision listed under 602(2) must, generally,

be sent to EPA as a SIP revision and will not become federally

enforceable until the SIP revision request is approved by the EPA.

Two minor exceptions to the above provisions which do not need to

be submitted as site-specific SIP revisions but must still have State

approval are discussed in the Technical Support Document.6

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\6\The term ``Director's discretion'', as it is being used in

this notice, is defined as a State making a decision which would be

federally enforceable without EPA review. There are two instances in

which Director's discretion language is being approved without need

of U.S. EPA approval are as follows: (1) Director's discretion for

the use of an alternate base starting level in R 336.1624(2)(a)(i)

will be allowed because this is only applicable in areas attaining

the ozone standard. Since these areas are not subject to RACT

requirements Director's discretion language, in this instance, is

allowable. (2) Director's discretion language is also acceptable for

alternate condenser temperature in R 336.1625(4) because this

alternate temperature will be based on the physical properties of

chemicals passing through the condenser. These chemical properties

are readily available in many chemistry and physics handbooks. The

temperature at which these chemicals condense is not truly

Director's discretion because the Director cannot influence a

chemical's condensation temperature.

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In this rule the State also clarifies that for rules 336.1610,

336.1621 and 336.1632 the phrase ``minus water'' shall also include

compounds which are used as organic solvents and which are excluded

from the definition of volatile organic compound. In other rules, the

limits are based on emission rates, usually in pounds per hour, so the

phrase ``minus water'' is only used in rules 336.1610, 336.1621 and

336.1632 whose applicable limits are based on VOC content.

C. Rule 610 (Existing Coating Lines; Emission of Volatile Organic

Compounds From Existing Automobile, Light-duty Truck, and Other Product

and Material Coating Lines)

In this rule the State sets forth the limits which shall be applied

to the following coating line categories: automobiles and light-duty

trucks, cons, coils, large appliances, metal furniture, magnet wire,

and the nonmetallic surfaces of fabrics, vinyl, or paper. In addition

to meeting the applicable emission limits, sources covered by this rule

must also submit a written program to demonstrate compliance with the

emission limits. Recordkeeping requirements are also contained within

this rule. Exemptions based on, e.g., emission cutpoints (15 pounds per

day), are listed in this rule.

D. Rule 611 (Existing Cold Cleaners)

In this rule MDNR sets forth provisions for operating procedures

for cold cleaners. Written procedures for compliance with these

provisions must be developed and posted. Units that were previously

exempt under the older version of these rules will have until 6 months

after the date these rules become effective, in the State, to comply.

E. Rule 619 (Perchloroethylene; Emission From Existing Dry Cleaning

Equipment)

In this rule MDNR sets forth provisions to control the emissions of

perchloroethylene from existing dry cleaners. In all instances, save

one, where a comment was made by EPA on this rule, either the State

made the change suggested by EPA or EPA withdrew the comment. Even

though one comment has not been addressed, EPA finds this rule

approvable. Moreover, EPA notes that it has issued a maximum available

control technology or ``MACT'' rule for this emission source category

with which sources will need to comply.

F. Rule 620 (Emission of Volatile Organic Compounds From Existing Flat

Wood Paneling Coating Lines)

The State sets forth the emission limits which shall apply to

sources of VOC used in the coating of flat wood paneling. The State has

replaced methods for determining VOC content in a coating with other

recordkeeping and compliance requirements. The State has removed a

provision allowing State discretion on equivalent emission rates and

transfer efficiencies. The State lists exemptions to this rule. The

State describes under what circumstances the use of an afterburner,

used to achieve compliance with the emission limits in this rule, may

be interrupted outside of the ozone season.

G. Rule 621 (Emission of Volatile Organic Compounds From Existing

Metallic Surface Coating Lines)

The State sets forth the emission limits for existing metallic

surface coating lines and the compliance and recordkeeping requirements

needed to demonstrate compliance with these limits. The State

establishes an alternate limit for glass adhesion primer which is used

to affix windshields to automobile frames. This alternate limit and its

justification is discussed in this action's technical support document.

The State has also replaced language providing State discretion and

pertaining to equivalent emission rates and transfer efficiencies with

new more explicit language which, in addition to being acceptable to

the commission, must also receive EPA's approval before being

incorporated into the SIP. The State lists exemptions to the provisions

of this rule. In certain instances, the rule for coating of automobile,

truck, and business machine parts (R 336.1632) may apply. When a source

is complying with R 336.1632 it will not have to comply with R

336.1622.

In addition to these specific exemptions, the State also provides

broader based exemptions as well. With the addition of new exemptions,

other existing exemptions were removed from the regulations. Any

coating lines that were previously exempt under the exemptions that

have been removed from the rules and are no longer exempt, now have 1

year from the State's adoption date of these rules to demonstrate

compliance. The State has included provisions allowing the

discontinuance of a natural gas-fired afterburner, used to meet the

emission limits of this rule, between November 1 and March 31.

H. Rule 622 (Emission of Volatile Organic Compounds From Existing

Components of Petroleum Refineries; Refinery Monitoring Program)

The State has added to the list of components which require annual

inspection those components that are ``difficult to monitor.'' The

State has replaced the requirements for all inspections described in

EPA 450/2-78-036 with Federal Reference Test Method 21. The State has

defined leaking as an instance when a concentration of more than 10,000

ppm, by volume, as methane or hexane, is measured by Method 21.

The State has added the following provisions:

(i) If for 2 consecutive quarters 2 percent or less of the process

valves in a given refinery unit are found to be leaking, then

inspections may be skipped for 1 quarter. If for 5 consecutive quarters

2 percent or less of the process valves in a given refinery unit are

found to be leaking, then inspections of process valves may be done

annually. If a subsequent inspection shows that more than 2 percent of

the process valves are leaking, quarterly inspections shall again be

required.

(ii) To determine the percent of valves leaking on a refinery unit,

the total number of valves found to be leaking on the refinery unit

during the specified monitoring period shall be divided by the number

of valves required to be monitored.

Under exemptions from the monitoring requirements of this rule, the

State has removed an exemption for inaccessible valves but added an

exemption for components that are unsafe to monitor, until monitoring

personnel would no longer be exposed to immediate danger.

The State has added the requirement that a current, written

description detailing routine sampling procedures and listing the

sealing devices involved shall be maintained and, upon request by the

commission, shall be submitted to the commission in an acceptable

format.

I. Rule 623 (Storage of Petroleum Liquids Having a True Vapor Pressure

of More Than 1.0 psia, but Less Than 11.0 psia, in Existing External

Floating Roof Stationary Vessels of More Than 40,000-gallon Capacity)

The State has added to its list of exemptions for external floating

roof stationary vessels, those vessels that are used to store jet

naphtha (Jet B or JP-4).

The State has added the requirement that any person who is

responsible for the operation of a vessel that meets 1 of the criteria

for exemption shall maintain records of the following:

(i) The capacity of the stationary vessel.

(ii) The contents of the stationary vessel.

(iii) The type of the stationary vessel.

and may also include:

(i) The type of primary seal.

(ii) The true vapor pressure of the petroleum liquid.

J. Rule 624 (Emission of Volatile Organic Compounds From an Existing

Graphic Arts Line)

The State has rewritten much of the Graphic Arts Rule. The new rule

sets forth the emission limits, recordkeeping requirements, compliance

demonstration requirements and exemptions for the affected sources.

These rules, for the most part, are written to have a statewide effect.

K. Rule 625 (Emission of Volatile Organic Compounds From Existing

Equipment Utilized in Manufacturing Synthesized Pharmaceutical

Products)

The State has added a provision which describes the method for

comparing actual emission levels from alternative control technology to

allowable emission levels. The method for determining the actual

emission level is found in R 336.2004 and the allowable emission level

shall be determined using methods found in Appendix B of ``Control of

Volatile Organic Compound Emissions From Manufacture of Pharmaceutical

Products,'' EPA-450/2-78-029.

The State has added language stating that a person shall not be

required to reduce the temperature of a gas stream flowing through a

condenser below the freezing point of a condensible component in the

gas stream if it can be shown using intrinsic chemical data that the

condenser would be rendered ineffective.

The State has added a provision which describes the method for

comparing actual emission levels from alternative control technology to

allowable emission levels resulting from the use of a pressure/vacuum

conservation vent. The method for determining the actual emission level

is found in R 336.2004 and the allowable emission level shall be

determined using methods found in Appendix B of ``Control of Volatile

Organic Compound Emissions From Manufacture of Pharmaceutical

Products,'' EPA-450/2-78-029.

The State has removed the provision requiring interim reduction

milestones since the dates of these milestones had all passed several

years before this package was submitted.

The State has added daily recordkeeping requirements which must be

complied with within 3 months of the State's effective date of this

rule. The records required shall include:

(i) For reactors, distillation operations, crystallizers,

centrifuges, and vacuum dryers which are controlled by a condenser or

an alternative control technology:

(a) A list of all VOCs in the stream.

(b) The vapor pressure, as measured at 20 degrees Celsius, of each

VOC.

(c) The mole fraction of each VOC in the liquid mixture.

(d) The gas outlet temperature of each condenser.

(ii) For operations that are in compliance with the exemption

provisions listed in this rule, the amount of material entering and

exiting each reactor, distillation operation, crystallizer, centrifuge,

and vacuum dryer.

(iii) For air dryers, the amount of material entering and exiting

each air dryer.

(iv) A person loading a VOC which has a vapor pressure of more than

210 millimeters of mercury, measured at 20 degrees Celsius, from a

truck or railcar into an existing stationary vessel of more than a

2,000 gallon capacity using a vapor balance system or alternate control

system shall maintain records of the following information:

(a) The date and time each vessel is loaded.

(b) The type and vapor pressure, as measured at 20 degrees Celsius,

of each VOC loaded into each stationary vessel.

(v) For centrifuges, rotary vacuum filters, or other filters that

have an exposed liquid surface, where the liquid contains a VOC or VOCs

and the sum of the partial pressures is 26.2 millimeters of mercury or

more, as measured at 20 degrees Celsius, the following records shall be

maintained:

(a) A list of all VOCs in the liquid.

(b) The vapor pressure, as measured at 20 degrees Celsius, of each

VOC.

(c) The mole fraction of each VOC in the liquid mixture.

(vi) For any equipment from which a liquid containing a VOC or VOCs

can be observed dripping or running the following records shall be

kept:

(a) The date and time each leak was detected.

(b) The date and time each leak was repaired.

L. Rule 627 (Delivery Vessels; Vapor Collection Systems)

The State lists the provisions which must be met by all delivery

vessels subject to control by a vapor collection system required by R

336.1606, R 336.1607, R 336.1608, R 336.1609, R 336.1703, R 336.1704, R

336.1705, or R 336.1706. The modifications made by the State to this

rule are: (1) Listing gauge pressures in inches of water as well as in

pounds per square inch, and (2) moving the definition of ``vapor

collection system'' from this rule to R 336.1122 (Definitions; V).

M. Rule 630 (Emission of Volatile Organic Compounds From Existing

Paint Manufacturing Processes)

The State lists the 10 moderate ozone nonattainment areas where

these regulations shall apply. The State has removed several of the

exemption provisions and is allowing sources which were previously

exempt, 1 year from the rules' effective date (i.e. by April 27, 1994)

to achieve compliance with these rules. Examples of these sources would

be those that were not covered by the previous rules because the rules

did not apply in that area. April 19, 1990 is the date by which other

sources must achieve compliance.

N. Rule 631 (Emission of Volatile Organic Compounds From Existing

Process Equipment Utilized in Manufacture of Polystyrene or Other

Organic Resins)

The State lists the 10 moderate ozone nonattainment areas that

these regulations shall apply in.

The State requires that a person shall not operate a reactor,

thinning tank, or blending tank unless either of the following

provisions is complied with:

(i) All VOCs emitted from existing reactors, thinning tanks, and

blending tanks shall be vented to control equipment that is designed

and operated to reduce the quantity of VOCs by not less than 95 weight

percent. Reflux condensers that are essential to the operation of the

resin reactor are not considered to be control equipment.

(ii) The total VOCs emitted to the atmosphere from the reactors,

thinning tanks, and blending tanks do not exceed 0.5 pounds per 1,000

pounds of completed organic resin produced.

Notwithstanding the preceding requirement, the State requires the

Monsanto Company of Trenton to comply with either of the following

provisions for its reactors, thinning tanks, and blending tanks:

(i) All VOCs emitted from reactors, thinning tanks, and blending

tanks shall be vented to control equipment that is designed and

operated to reduce the quantity of VOCs by not less than 95 weight

percent. Reflux condensers that are essential to the operation of the

resin reactor are not considered to be control equipment.

(ii) The total VOCs emitted to the atmosphere from the reactors,

thinning tanks, and blending tanks do not exceed 2.6 pounds per 1,000

pounds of dry organic resin produced.

The State has altered the recordkeeping requirement to now be

mandatory for all sources subject to this rule. The recordkeeping

requirements are effective 3 months after the effective date of this

rule. The records which need to be kept will vary depending upon the

fashion in which a source chooses to control the VOC emissions and may

include any of the following information:

(i) Emissions test data.

(ii) Material balance calculations.

(iii) Process production rates.

(iv) Control equipment specifications and operating parameters.

The State has revised one of the provisions to read,

A person may discontinue the operation of a natural gas-fired

afterburner, which is used to achieve compliance with the emission

limits in this rule, between November 1 and March 31 unless the

afterburner is used to achieve compliance with, or is required by,

any of the following:

(a) Any other provision of these rules.

(b) A permit to install.

(c) A permit to operate.

(d) A voluntary agreement.

(e) A performance contract.

(f) A stipulation.

(g) An order of the commission.

If the operation of a natural gas-fired afterburner is

discontinued between November 1 and March 31 pursuant to the

provisions of the preceding provision, both of the following shall

apply during this time period:

(a) All other provisions of this rule, except the emission

limits, shall remain in effect.

(b) All other measures that are used to comply with the emission

limits in this rule between April 1 and October 31 shall continue to

be used.

A RACT analysis has been performed for the limit of 2.6 lb VOC

emissions/1,000 pounds of dry organic resin produced set for Monsanto

and has been found to be comparable to a RACT limit set for a similar

Monsanto facility in Massachusetts and is therefore approvable.

Rule 631(6) seems ambiguous as to what information is necessary to

determine compliance because of the presence of the wording

``information may include.'' The State has provided EPA with all of the

compliance orders for all of the facilities affected by this rule and

they have been reviewed to determine if sufficient information is

included to determine compliance with this rule. EPA has found all of

the compliance orders to contain sufficient information to determine

compliance. All facilities are required to keep sufficient records for

determination of compliance with this rule. Rule 702(d), described

later in this package, requires new sources which could fall under this

category to meet the same emission limits as existing sources in this

category. The State has also written a letter, dated July 13, 1994,

that clarifies the intent of this rule is to require new sources to

meet not only the same emission limits as existing sources but also to

meet the same recordkeeping and reporting requirements as existing

sources as well.

O. Rule 632 (Emission of Volatile Organic Compounds From Existing

Automobile, Truck, and Business Machine Plastic Part Coating Lines)

The State has expanded the geographic limits of these rules to

cover all of the moderate nonattainment counties in the State. The

cross-line averaging provisions of this rule have been removed.

Recordkeeping requirements have been changed to be more stringent than

previously required.

P. Rule 702 (General Provisions for new Sources of Volatile Organic

Compound Missions)

The State has added a provision stating that new sources of VOCs

shall be limited to the lowest emission rate listed in the following:

(1) The maximum allowable emission rate listed by a commission on its

own initiative or based upon the application of the best available

control technology; (2) the maximum allowable emission rate specified

by a new source performance standard promulgated by the EPA; (3) the

maximum allowable emission rate specified as a condition of a permit to

install or a permit to operate; or (4) the limit for this source

category as is listed in the rules for existing sources.

Q. R 336.2004 Appendix A; Reference Test Methods; Adoption of Federal

Reference Test Methods

In this appendix, the State has added the following Federal

Reference Test Methods to the list of those already adopted by

reference:

(1) Method 1A--Sample and velocity traverses for stationary sources

with small stacks or ducts.

(2) Method 2A--Direct measurement of gas volume through pipes and

small ducts.

(3) Method 2C--Determination of stack gas velocity and volumetric

flow rate in small stacks and ducts (standard pitot tube).

(4) Method 2D--Measurement of gas volumetric flow rates in small

pipes and ducts.

(5) Method 10B--Determination of carbon monoxide from stationary

sources.

R. R 336.2006 Reference Test Method Serving as Alternate Version of

Federal Reference Test Method 25 by Incorporating Byron Analysis

The State sets forth provisions by which Federal Test Method 25 may

be conducted by incorporating the Byron analysis.

S. R 336.2007 Alternate Version of Procedure L, Referenced in R

336.2040(10)

The State sets forth provisions by which an alternate version of

the Federal Procedure L may be used.

T. R 336.2040 Method for Determination of Volatile Organic Compound

Emissions From Coating Lines and Graphic Arts Lines

The State sets forth provisions describing methods for determining

compliance for coating lines in this rule. Appropriate methods are

described for the various coating lines whose emission limits may be

expressed differently from one another depending on the method of

compliance being used.

The State requires that for sources subject to emission limits

expressed as pounds of VOCs per gallon of coating, minus water, as

applied, the phrase ``minus water'' shall also include compounds which

are used as organic solvents and which are excluded from the definition

of volatile organic compound.

For calculations required by this rule, the State requires the

following:

(1) Not less than 5 significant digits shall be carried in

intermediate calculations. Rounding shall occur after final

calculations and emission numbers will be rounded to not less than 2

but not more than 3 significant figures.

(2) The calculations for a coating line shall include all of the

coatings which are in the same coating category and which are used

during the averaging period as specified in the applicable limit.

(3) In most cases, the calculations for a graphic arts line shall

include all of the inks and coatings that are used during the averaging

period as specified in the applicable emission limit.

The State describes the methods by which the VOC content of inks

and coatings, and the weight of VOCs used during an averaging period

shall be determined.

U. R 336.2041 Recordkeeping Requirements for Coating Lines and Graphic

Arts Lines

The State sets forth the recordkeeping requirements which shall

apply to coating lines and graphic arts lines. These provisions require

that records for the various types of coating and graphic arts lines be

kept.

The types of records that must be kept are specific to the coating

or graphic arts line and the method by which it is meeting the

appropriate emission limit.

All of the rules submitted for approval in the June 12, 1993

submittal have been reviewed and found to be approvable for

incorporation into the Michigan ozone SIP.

II. November 1993 Submittal

On November 15, 1993 MDNR submitted to EPA a SIP revision to

address the remaining deficiencies in the State's VOC RACT regulations

which were not corrected by the June 12, 1993 submittal. Listed below

are descriptions of the changes this SIP submittal proposed.

A. Rule 601 (Definitions)

A revised definition for the term ``person responsible'' as used in

Part 6 rules has been added.

B. Rule 602 (General Provisions for Existing Sources of Volatile

Organic Compound Emissions)

Provisions allowing for alternative compliance methods in Rules 628

and 629 require site-specific SIP revisions when implemented.

C. Rule 624 (Emission of Volatile Organic Compounds From an Existing

Graphic Arts Line)

An unacceptable prorating method for recordkeeping has been

removed.

D. Rule 628 (Emission of Volatile Organic Compounds From Components of

Existing Process Equipment Used in Manufacturing Synthetic Organic

Chemicals and Polymers; Monitoring Program) and Rule 629 (Emission of

Volatile Organic Compounds From Components of Existing Process

Equipment Used in Processing Natural Gas; Monitoring Program)

Test methods have been added which define how the percent VOC in a

piece of equipment is to be determined. Provisions allowing reduced

frequency of monitoring for low-leaking equipment have been changed to

comply with EPA requirements. Wording was added requiring that all

equivalent control methods must be submitted to EPA as site-specific

SIP revisions as specified in Rule 602. The counties affected by these

rules have been listed in the same format as other similar rules, for

the purpose of uniformity.

E. Non-CTG RACT Rules

There are 3 non-CTG major sources of VOCs located in Michigan's

Detroit-Ann Arbor ozone nonattainment area. These sources are: VCF

Films, Inc.; Ford Motor Company's Utica Trim Plant; and the Woodbridge

Corporations Whitmore Lake Plant (formerly Johnson Controls, Inc.). The

course of action Michigan pursued for these companies was the

development of administrative consent orders requiring implementation

of RACT-level controls.

VCF Films, Inc. has entered into an administrative consent order

requiring RACT-level controls for VOC emissions for its film casting

processes. This order has been submitted as a SIP revision.

Ford Motor Company's Utica Trim Plant has entered into an

administrative consent order requiring RACT-level controls for its

polyurethane foam manufacturing processes, reaction injection molding

processes, and various adhesive operations at this facility. This order

has been submitted as a SIP revision.

The Woodbridge Corporation, Whitmore Lake Plant (formerly Johnson

Controls, Inc.) has entered into an administrative consent order

requiring RACT-level controls for VOC emissions for its polyurethane

foam automotive seat cushion manufacturing operation, and elimination

of all methylene chloride emissions from the facility. This order has

been submitted as a SIP revision.

These 3 site-specific, non-CTG regulations have been reviewed by US

EPA and are being approved for inclusion into Michigan's SIP.

F. Stage I Vapor Recovery

Michigan has controlled VOC emissions from underground tank loading

at service stations, called Stage I controls, since the early 1980s.

Rule 606, the Stage I rule, currently requires services stations in the

Detroit, Flint, Grand Rapids, and Lansing urban areas to have their

underground gasoline storage tanks equipped with vapor balance

equipment when unloading gasoline at the service stations.

New Stage I legislation has recently been enacted and submitted as

part of the November 12, 1993 submittal which expands the geographic

coverage of the current program and lowers the exemption level. Service

stations with greater than 10,000 gallons per month of gasoline sales

and located in the 10 county moderate nonattainment areas will now be

required to implement the Rule 606 Stage I controls and meet the

equipment specifications as specified by the California Air Resources

Board. In addition, pressure/vacuum valves on the underground storage

tank vents will now be mandatory, as required in the equipment

specifications.

All of the rules submitted on November 12, 1993 have been reviewed

and been found to be approvable by the EPA for incorporation into the

Michigan ozone SIP.

G. Negative Declarations

In a letter dated March 30, 1994, meant to supplement the November

12, 1993 submittal, Michigan included current negative declarations for

the following CTG categories: (1) Large petroleum dry cleaners; (2)

SOCMI air oxidation processes; (3) High-density polyethylene and

polypropylene resin manufacturing; and (4) Pneumatic rubber tire

manufacturing. These current negative declarations obviate the need for

Michigan to develop regulations for these source categories because

none of these types of sources exist in the State.

Federal Action

The EPA approves the VOC RACT rules submitted as a SIP revision for

the State of Michigan to the EPA on June 12, 1993 and November 12,

1993. The EPA has evaluated all of Michigan's rules, as submitted on

June 12, 1993 and November 12, 1993 for consistency with the

requirements of the Act, EPA regulations and the EPA's interpretation

of these requirements as expressed in EPA policy documents. The EPA has

found that the rules meet the requirements applicable to ozone and are,

therefore, approvable for incorporation into the State's ozone SIP. A

more complete discussion of the EPA's review of the State's regulations

is contained in technical support documents dated December 11 1990,

August 23, 1991, and May 5, 1994. The EPA is proposing to approve this

revision as fully meeting the RACT fix-up requirements of section

182(a)(2)(A) of the Act and the RACT catch-up requirements of section

182(b)(2) of the Act.

Because EPA considers this action noncontroversial and routine, we

are approving it without prior proposal. This action will become

effective on November 7, 1994. However, if we receive adverse comments

by October 7, 1994, EPA will publish: (1) a document that withdraws

this action; and (2) address the comments received in the final rule on

the requested SIP revision which has been proposed for approval in the

proposed rules section of this Federal Register.

Miscellaneous

A. Applicability to Future SIP Decisions

Nothing in this action should be construed as permitting, allowing

or establishing a precedent for any future request for revision to any

SIP. The EPA shall consider each request for revision to the SIP in

light of specific technical, economic, and environmental factors and in

relation to relevant statutory and regulatory requirements.

B. Executive Order 12866

This action has been classified as a Table 2 action by the Regional

Administrator under the procedures published in the Federal Register on

January 19, 1989 (54 FR 2214-2225), as revised by an October 4, 1993

memorandum from Michael H. Shapiro, Acting Assistant Administrator for

Air and Radiation. The OMB has exempted this regulatory action from

E.O. 12866 review.

C. Regulatory Flexibility

Under the Regulatory Flexibility Act, 5 U.S.C. 600 et seq., EPA

must prepare a regulatory flexibility analysis assessing the impact of

any proposed or final rule on small entities (5 U.S.C. 603 and 604).

Alternatively, EPA may certify that the rule will not have a

significant impact on a substantial number of small entities. Small

entities include small businesses, small not-for-profit enterprises,

and government entities with jurisdiction over populations of less than

50,000.

This approval does not create any new requirements. Therefore, I

certify that this action does not have a significant impact on any

small entities affected. Moreover, due to the nature of the Federal-

State relationship under the Act, preparation of the regulatory

flexibility analysis would constitute Federal inquiry into the economic

reasonableness of the State action. The Act forbids EPA to base its

actions concerning SIPs on such grounds. Union Electric Co. v. U.S.

E.P.A., 427 U.S. 246, 256-66 (1976).

D. Petitions for Judicial Review

Under section 307(b)(1) of the Act, petitions for judicial review

of this action must be filed in the United States Court of Appeals for

the appropriate circuit by November 7, 1994. Filing a petition for

reconsideration by the Administrator of this final rule does not affect

the finality of this rule for the purposes of judicial review, nor does

it extend the time within which a petition for judicial review may be

filed and shall not postpone the effectiveness of such rule or action.

This action may not be challenged later in proceedings to enforce its

requirements (see section 307(b)(2)).

Final Approval of Michigan's VOC RACT Fix-Up and Catch-Up SIP

Submittal (page 37 of 37)

List of Subjects in 40 CFR Part 52

Environmental protection, Air pollution control, Hydrocarbons,

Incorporation by reference, Intergovernmental relations, Ozone,

Reporting and recordkeeping requirements.

Dated: July 22, 1994.

Valdas V. Adamkus,

Regional Administrator.

40 CFR part 52 is amended as follows.

PART 52--[AMENDED]

1. The authority citation for part 52 continues to read as follows:

Authority: 42 U.S.C. 7401-7671q.

Subpart X--Michigan

2. Section 52.1170 is amended by adding paragraph (c)(96) to read

as follows:

Sec. 52.1170 Identification of plan.

* * * * *

(c) * * *

(96) Revisions to the Michigan Regulations submitted on June 12,

1993 and November 12, 1993 by the Michigan Department of Natural

Resources:

(i) Incorporation by reference.

(A) Revisions to the following provisions of the Michigan Air

Pollution Control Commission General Rules filed with the Secretary of

State on April 12, 1993 and effective on April 27, 1993:

(1) R 336.1101 Definitions; A--Revised definitions of the following

terms: actual emissions, air-dried coating, air quality standard,

allowable emissions and alternate opacity.

(2) R 336.1103 Definitions; C--Added definition of coating

category. Revised definitions of the following terms: calendar day,

class II hardboard paneling finish, coating line, coating of

automobiles and light-duty trucks coating of fabric, coating of large

appliances, coating of paper, coating of vinyl, component, component in

field gas service, component in gaseous volatile organic compound

service, component in heavy liquid service, component in light liquid

service, component in liquid volatile organic compound service,

condenser, conveyorized vapor degreaser, and creditable.

(3) R 336.1105 Definitions; E--Added definition of the term extreme

environmental conditions. Revised definitions of the following terms:

electrostatic prep coat, equivalent method and extreme performance

coating.

(4) R 336.1116 Definitions; P--Revised definitions of the following

terms: packaging rotogravure printing, printed interior panel, process

unit turnaround, publication rotogravure printing and pushside. Deleted

definition of the term pneumatic rubber tire manufacturing.

(5) R 336.1122 Definitions; V--Added definition of the term vapor

collection system. Revised definitions of the following terms: very

large precipitator and volatile organic compound.

(6) R 336.1602 General provisions for existing sources of volatile

organic compound emissions (entire rule).

(7) R 336.1610 Existing coating lines; emission of volatile organic

compounds from exiting automobile, light-duty truck, and other product

and material coating lines (entire rule).

(8) R 336.1611 Existing cold cleaners (entire rule).

(9) R 336.1619 Perchloroethylene; emission from existing dry

cleaning equipment (entire rule).

(10) R 336.1620 Emission of volatile organic compounds from

existing flat wood paneling coating lines (entire rule).

(11) R 336.1621 Emission of volatile organic compounds from

existing metallic surface coating lines (entire rule).

(12) R 336.1622 Emission of volatile organic compounds from

existing components of petroleum refineries; refinery monitoring

program (entire rule).

(13) R 336.1623 Storage of petroleum liquids having a true vapor

pressure of more than 1.0 psia, but less than 11.0 psia, in existing

external floating roof stationary vessels of more than 40,000-gallon

capacity (entire rule).

(14) R 336.1625 Emission of volatile organic compounds from

existing equipment utilized in manufacturing synthesized pharmaceutical

products (entire rule).

(15) R 336.1627 Delivery vessels; vapor collection systems (entire

rule).

(16) R 336.1630 Emission of volatile organic compounds from

existing paint manufacturing processes (entire rule).

(17) R 336.1631 Emission of volatile organic compounds from

existing process equipment utilized in manufacture of polystyrene or

other organic resins (entire rule).

(18) R 336.1632 Emission of volatile organic compounds from

existing automobile, truck, and business machine plastic part coating

lines (entire rule).

(19) R 336.1702 General provisions of new sources of volatile

organic compound emissions (entire rule).

(20) R 336.2004 Appendix A; reference test methods; adoption of

federal reference test methods (entire rule).

(21) R 336.2006 Reference test method serving as alternate version

of federal reference test method 25 by incorporating Byron analysis

(entire rule).

(22) R 336.2007 Alternate version of procedure L, referenced in R

336.2040(10) (entire rule).

(23) R 336.2040 Method for determination of volatile organic

compound emissions from coating lines and graphic arts lines (except R

336.2040(9) and R 336.2040(10)).

(24) R 336.2041 Recordkeeping requirements for coating lines and

graphic arts lines (entire rule).

(B) Revisions to the following provisions of the Michigan Air

Pollution Control Commission General Rules filed with the Secretary of

State on November 3, 1993 and effective on November 18, 1993:

(1) R 336.1601 Definitions--Added definition of the term person

responsible.

(2) R 336.1602 General provisions for existing sources of volatile

organic compound emissions--Addition of provisions requiring submittal

of site-specific SIP revisions to EPA for the use of equivalent control

methods allowed under rules 336.1628(1) and 336.1629(1).

(3) R 336.1624 Emission of volatile organic compounds from existing

graphic arts lines (entire rule).

(4) R 336.1628 Emission of volatile organic compounds from

components of existing process equipment used in manufacturing

synthetic organic chemicals and polymers; monitoring program (entire

rule).

(5) R 336.1629 Emission of volatile organic compounds from

components of existing process equipment used in processing natural

gas; monitoring program (entire rule).

(C) Senate Bill No. 726 of the State of Michigan 87th Legislature

for Stage I controls signed and effective on November 13, 1993.

(D) State of Michigan, Department of Natural Resources, Stipulation

for Entry of Consent Order and Final Order No. 39-1993 which was

adopted by the State on November 12, 1993.

(E) State of Michigan, Department of Natural Resources, Stipulation

for Entry of Consent Order and Final Order No. 40-1993 which was

adopted by the State on November 12, 1993.

(F) State of Michigan, Department of Natural Resources, Stipulation

for Entry of Consent Order and Final Order No. 3-1993 which was adopted

by the State on June 21, 1993.

3. Section 52.1174 is amended by adding paragraph (d) to read as

follows:

Sec. 52.1174 Control strategy: Ozone.

* * * * *

(d) In a letter addressed to David Kee, EPA, dated March 30, 1994,

Dennis M. Drake, State of Michigan, stated:

(1) Michigan has not developed RACT regulations for the following

industrial source categories, which have been addressed in Control

Techniques Guidance (CTG) documents published prior to the Clean Air

Act Amendments of 1990, because no affected sources are located in the

moderate nonattainment counties:

(i) Large petroleum dry cleaners;

(ii) SOCMI air oxidation processes;

(iii) High-density polyethylene and polypropylene resin manufacturing;

and

(iv) Pneumatic rubber tire manufacturing.

(2) (Reserved).

[FR Doc. 94-21955 Filed 9-6-94; 8:45 am]

BILLING CODE 6560-50-P