327 IAC 5-18-1 Purpose

Sec. 1. This rule establishes the pretreatment requirements that apply to discharges of pollutants from industrial users to POTWs, including the following: (1) Pretreatment standards for prohibited discharges. (2) National pretreatment standards for specific industrial subcategories, established by 40 CFR 403.6. (3) State pretreatment standards. (4) More stringent limitations where necessary to protect a POTW from interference or to protect applicable water quality standards.