Section 327IAC5-1.5-22. "Hazardous substance" defined  


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  •    "Hazardous substance" means, for purposes of NPDES, any substance designated under 40 CFR 116 pursuant to Section 311 of the Clean Water Act. (Water Pollution Control Division; 327 IAC 5-1.5-22; filed Jan 14, 1997, 12:00 p.m.: 20 IR 1415; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; readopted filed Nov 21, 2007, 1:16 p.m.: 20071219-IR-327070553BFA; readopted filed Jul 29, 2013, 9:21 a.m.: 20130828-IR-327130176BFA)