ILLINOIS POLLUTION CONTROL BOARD

Seot’~rnher7, 1978

IN

THE

MATTER

OF:

)

R74—15, —16

WATER POLLUTION CONTROL

)

CONSOLIDATED

AMENDMENTS:

CYANIDE

)

ORDER

OF

THE

BOARD

(by

Mr.

Goodman):

The

Board

hereby

enacts

the

following

amendments

to

the

Water Pollution Regulations:

1.

Rule 203(f) of Chapter

3:

Water Pollution of the

Pollution Control Board Rules and Regulations, insofar as it

pertains to cyanide,

shall be amended as follows:

Cyanide (total)

00720

0.025

2.

Rule 205 of Chapter

3:

Water Pollution of the Pollution

Control Board Rules and Regulations shall be amended by addition

of a new subpart “(g)”

as

follows:

(g)

Cyanide

(total)

shall not exceed 0.10 mg/l.

3.

Rule 206(c) of Chapter

3:

Water Pollution of the

Pollution Control Board Rules and Regulations, insofar as

it sets specific water quality standards for certain chemical

constituents, shall be amended by addition of a water quality

standard for cyanide,

as follows:

Cyanide

(total)

00720

0.025

mg/p.

4.

Rule 408(a)

of Chapter

3:

Water Pollution of the

Pollution Control Board Rules and Regulations, insofar as

it

pertains to cyanide,

shall be amended as follows:

Cyanide

(total)

00720

0.l0~~

***Except for discharges from the Calumet Treatment

PlanE of the Metropolitan Sanitary District of Greater

Chicago, which shall not exceed 0.15 mg/i.

Compliance

with cyanide effluent limitations shall be determined

by 24-hour composite samples averaged over any monthly

period; no single 24—hour composite sample shall exceed

twice the numerical standard and no instantaneous

(grab)

sample shall exceed five times the numerical standard.

31—405

---

—2—

5.

Rule 703 of Chapter

3:

Water Pollution of the Pollution

Control Board Rules and Regulations shall be amended as follows:

703.

Cyanide

(STORET number

-

00720)

(a)

No waste to any public sewer system shall contain

~

~-peted-by-f~e—~9a-th*7

more than

10 mg/l

total cyanide provided any sample tested shall

not release more than

2 mg/i of cyanide when

tested at a pH of 4.5 and at a temperature of

150°Ffor a period of

30 minutes, except as

permitted by Rule 703(b).

(b)

~

saty-d~et-er--~y-a~-appfev~

~

~yege~—eempe~nd.~ -mey-~e-pef~e~—te—~e—~9—

or-p

e-tty~5-sewer—werk——Pe~—ey~t~e

~

~

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fm—~e~—d~

~e~arge~

Upon application by a county, municipality, sani-

tary district or public utility and approval by

the Agency, based upon determination by the Agency

that no violation of the effluent criteria of this

chapter will result and that no hazard to workers

in such sewage works will result, limited addi-

tional amounts of cyanide exceeding the standards

in part

(a) of this Rule 703 may be discharged to

the sewage works of such county,

sanitary district,

municipality or public utility.

(c)

Nothing in this Rule

703 shall be construed as

limiting the authority of any county, municipality,

sanitary district or public utility to impose any

more stringent standards or limitations on cyanide

discharges to its sewage works.

3l—4O~

---

—3—

I, Christan L. Moffett, Clerk of the Illinois Pollution

Contro~. Board,

hereby

certify

the

above Order was adopted on

the

‘~

~‘

day

of

~34fiJ~.1~)

,

1978

by

a

vote

of

U-p

~tanL.r4o~~rk

Illinois Pollution

ontrol Board

31—407