yourstate.us
Home / United States / 40 CFR
40 CFR 421.315

§ 421.315 Pretreatment standards for existing sources.

United States · 40 CFR — Protection of Environment · Status: effective

Get this as JSONEmbed this
Cite this
Citation
40 CFR 421.315, § 421.315 Pretreatment standards for existing sources, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189143
Permanent ID
ys:prov:189143@1
SHA-256
d04d3c3fac978de0ba941c022f177dd58192fa8fde5177446a55e9ccd390a678

The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.

Full text

Except as provided in 40 CFR 403.7, any existing source subject to this subpart which introduces polutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in secondary tungsten and cobalt process wastewater introduced into a POTW shall not exceed the following values: (a) Tungsten detergent wash and rinse. PSES for the Secondary Tungsten and Cobalt Subcategory (b) Tungsten leaching acid. PSES for the Secondary Tungsten and Cobalt Subcategory (c) Tungsten post-leaching wash and rinse. PSES for the Secondary Tungsten and Cobalt Subcategory (d) Synthetic scheelite filtrate. PSES for the Secondary Tungsten and Cobalt Subcategory (e) Tungsten carbide leaching wet air pollution control. PSES for the Secondary Tungsten and Cobalt Subcategory (f) Tungsten carbide wash water. PSES for the Secondary Tungsten and Cobalt Subcategory (g) Cobalt sludge leaching wet air pollution control. PSES for the Secondary Tungsten and Cobalt Subcategory (h) Crystallization decant. PSES for the Secondary Tungsten and Cobalt Subcategory (i) Acid wash decant. PSES for the Secondary Tungsten and Cobalt Subcategory (j) Cobalt hydroxide filtrate. PSES for the Secondary Tungsten and Cobalt Subcategory (k) Cobalt hydroxide filter cake wash. PSES for the Secondary Tungsten and Cobalt Subcategory

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.