Criterion

415 ILCS 5/3.175
in effect
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(415 ILCS 5/3.175) (was 415 ILCS 5/3.80) Sec. 3.175. Criterion. "Criterion" means the numerical concentration of one or more toxic substances calculated by the Agency as a basis for establishing a permit limitation or violation of a water quality standard pursuant to standards and procedures provided for in board regulations. (Source: P.A. 92-574, eff. 6-26-02.)
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.ilga.gov/legislation/ilcs/ilcs.aspFetched: 10/17/2026

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