40 CFR § 421.5 Nonferrous Metals Manufacturing Point Source Category

§ 421.5 Removal allowances for pretreatment standards.

Current through Aug 22, 2025 · Read all of Part 421

Removal allowances pursuant to 40 CFR 403.7(a) may be granted for the toxic metals limited in 40 CFR part 421 when used as indicator pollutants.

← § 421.4 Compliance date for pretreatment standards for existing sources (PSES).§ 421.10 Applicability; description of the bauxite refining subcategory. →