Section 611.612 Monitoring Requirements for Old Inorganic MCLs

Section 611

TITLE 35: ENVIRONMENTAL PROTECTION

SUBTITLE F: PUBLIC WATER SUPPLIES

CHAPTER I: POLLUTION CONTROL BOARD

PART 611 PRIMARY DRINKING WATER STANDARDS

SECTION 611.612 MONITORING REQUIREMENTS FOR OLD INORGANIC MCLS

Section 611.612  Monitoring

Requirements for Old Inorganic MCLs

a)         Analyses for the purpose of determining compliance with the

old inorganic MCLs of Section 611.300 are required as follows:

1)         Analyses for all CWSs utilizing surface water sources must be

repeated at yearly intervals.

2)         Analyses for all CWSs utilizing only groundwater sources must

be repeated at three-year intervals.

3)         This subsection (a)(3) corresponds with 40 CFR 141.23(1)(3),

which requires monitoring for the repealed old MCL for nitrate at a frequency

specified by the state.  The Board has followed the USEPA lead and repealed

that old MCL.  This statement maintains structural consistency with USEPA

rules.

4)         This subsection (a)(4) corresponds with 40 CFR 141.23(1)(4)

,which authorizes the state to determine compliance and initiate enforcement action.

This statement maintains structural consistency with USEPA rules.

b)         If the result of an analysis made under subsection (a)

indicates that the level of any contaminant listed in Section 611.300 exceeds

the old MCL, the supplier must report to the Agency within seven days and

initiate three additional analyses at the same sampling point within one month.

c)         When the average of four analyses made under subsection (b),

rounded to the same number of significant figures as the old MCL for the

substance in question, exceeds the old MCL, the supplier must notify the Agency

and give notice to the public under Subpart V

st report to the Agency within seven days and

initiate three additional analyses at the same sampling point within one month.

c)         When the average of four analyses made under subsection (b),

rounded to the same number of significant figures as the old MCL for the

substance in question, exceeds the old MCL, the supplier must notify the Agency

and give notice to the public under Subpart V.  Monitoring after public

notification must be at a frequency designated by the Agency by a SEP and must

continue until the old MCL has not been exceeded in two successive samples or

until a different monitoring schedule becomes effective as a condition to a

variance, an adjusted standard, a site specific rule, an enforcement action, or

another SEP.

d)         This subsection (d) corresponds with 40 CFR 141.23(o), which

pertains to monitoring for the repealed old MCL for nitrate.  This statement

maintains structural consistency with USEPA rules.

e)         This subsection (e) corresponds with 40 CFR 141.23(p), which

pertains to the use of existing data up until a date long since expired.  This

statement maintains structural consistency with USEPA rules.

f)         Analyses

conducted to determine compliance with the old MCLs of Section 611.300 must be

made in compliance with the following methods, incorporated by reference in

Section 611.102, or alternative methods approved by the Agency under Section

611.480.

Criteria for analyzing iron, manganese, and

zinc samples with digestion or directly without digestion, and other analytical

test procedures are contained in USEPA Technical Notes (94), incorporated by

reference in Section 611.102

.

1)         Fluoride.  The methods specified in Section 611.611(c) must

apply for the purposes of this Section.

2)         Iron

A)

Atomic

Absorption, Direct Aspiration Technique

.  SM 3111 B (89), SM 3111 B (93),

or SM 3111 B (99).

B)

Atomic Absorption, Graphite Furnace

Techniqu

e.  SM 3113 B (89), SM 3113 B (93), SM 3113 B (99), SM 3113 B (04),

or SM 3113 B (10)

reference in Section 611.102

.

1)         Fluoride.  The methods specified in Section 611.611(c) must

apply for the purposes of this Section.

2)         Iron

A)

Atomic

Absorption, Direct Aspiration Technique

.  SM 3111 B (89), SM 3111 B (93),

or SM 3111 B (99).

B)

Atomic Absorption, Graphite Furnace

Techniqu

e.  SM 3113 B (89), SM 3113 B (93), SM 3113 B (99), SM 3113 B (04),

or SM 3113 B (10).

C)

Atomic Absorption, Inductively Coupled

Plasma Technique

.  SM 3120 B (89), SM 3120 B (93), or SM 3120 B (99).

D)

Inductively Coupled Plasma Arc Furnace

Technique

.  USEPA 200.7 (94).

E)

Atomic Absorption, Platform Furnace

Technique

.  USEPA 200.9 (94).

F)         Axially

Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry (AVICP-AES).

USEPA 200.5 (03).

3)         Manganese

A)        Atomic

Absorption, Direct Aspiration Technique.  SM 3111 B (89), SM 3111 B (93), or SM

3111 B (99).

B)        Atomic Absorption, Graphite Furnace Technique.  SM 3113 B (89),

SM 3113 B (93), SM 3113 B (99), SM 3113 B (04), or SM 3113 B (10).

C)        Atomic Absorption, Inductively Coupled Plasma Technique.  SM

3120 B (89), SM 3120 B (93), or SM 3120 B (99).

D)        Inductively Coupled Plasma Arc Furnace Technique.  USEPA 200.7 (94).

E)        Inductively Coupled Plasma

-Mass

Spectrometry

.  USEPA 200.8 (94).

F)         Atomic Absorption, Platform Furnace Technique.  USEPA 200.9 (94).

G)        Axially

Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry (AVICP-AES).

USEPA 200.5 (03).

4)         Zinc

A)        Atomic Absorption, Direct Aspiration Technique.  SM 3111 B

ma Arc Furnace Technique.  USEPA 200.7 (94).

E)        Inductively Coupled Plasma

-Mass

Spectrometry

.  USEPA 200.8 (94).

F)         Atomic Absorption, Platform Furnace Technique.  USEPA 200.9 (94).

G)        Axially

Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry (AVICP-AES).

USEPA 200.5 (03).

4)         Zinc

A)        Atomic Absorption, Direct Aspiration Technique.  SM 3111 B

(89), SM 3111 B (93), or SM 3111 B (99).

B)        Atomic Absorption, Inductively Coupled Plasma Technique.  SM

3120 B (89), SM 3120 B (93), or SM 3120 B (99).

C)        Inductively Coupled Plasma Arc Furnace Technique.  USEPA 200.7 (94).

D)        Atomic Absorption, Platform Furnace Technique.  USEPA 200.8 (94).

E)        Axially

Viewed Inductively Coupled Plasma-Atomic Emission Spectrometry (AVICP-AES).

USEPA 200.5 (03).

BOARD NOTE:  The provisions of subsections (a) through (e)

derive from 40 CFR 141.23(l) through (p).  Subsections (f)(2) through (f)(4)

relate exclusively to additional State requirements.  The Board retained

subsection (f) to set forth methods for the inorganic contaminants for which

there is a State-only MCL. The methods specified are those in 40 CFR 143.4(b)

and appendix A to subpart C of 40 CFR 141, for secondary MCLs.  The Board has

not separately listed the following approved alternative methods from Standard

Methods Online that are the same version as a method that appears in a printed

edition of Standard Methods.  Use of the Standard Methods Online copy is

acceptable.

Standard Methods Online, Method

3111 B-99 appears in the 21

st

, 22

nd

, 23

rd

, and

24

th

editions as Method 3111 B.  In this Section, this appears as SM

3111 B (99).

Standard Methods Online, Method

3113 B-99 appears in the 21

st

edition as Method 3113 B.  In this

Section, this appears as SM 3113 B (99).

Standard Methods Online, Method

3113 B-10 appears in the 22

nd

, 23

rd

, and 24

th

editions

as Method 3113 B.  In this Section, this appears as SM 3113 B (10)

, 23

rd

, and

24

th

editions as Method 3111 B.  In this Section, this appears as SM

3111 B (99).

Standard Methods Online, Method

3113 B-99 appears in the 21

st

edition as Method 3113 B.  In this

Section, this appears as SM 3113 B (99).

Standard Methods Online, Method

3113 B-10 appears in the 22

nd

, 23

rd

, and 24

th

editions

as Method 3113 B.  In this Section, this appears as SM 3113 B (10).

Standard Methods Online, Method

3120 B-99 appears in the 21

st

edition as Method 3120 B.  In this

Section, this appears as SM 3120 B (99).