Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 307 - SEWER DISCHARGE CRITERIA
Subpart B - GENERAL AND SPECIFIC PRETREATMENT REQUIREMENTS
Section 307.1103 - Cyanide

Universal Citation: 35 IL Admin Code ยง 307.1103

Current through Register Vol. 48, No. 38, September 20, 2024

a) Waste to any public sewer system must not contain more than 10 mg/L total cyanide, and any sample tested must not release more than 2 mg/L of cyanide when tested at a pH of 4.5 and a temperature of 66 °C (150 °F) for 30 minutes, except as permitted by subsection (b).

b) Upon application by a county, municipality, sanitary district, or public utility and approval by the Agency, based upon the Agency's determination that no violation of the effluent standards of 35 Ill. Adm. Code 304 or hazard to workers in that sewage works will result, limited additional amounts of cyanide exceeding the standards in subsection (a) may be discharged to the sewage works of that county, sanitary district, municipality, or public utility.

c) Nothing in this Section may 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.

d) Any actions undertaken under subsection (b) will be subject to the limitations of Section 307.2400(b)(7).

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