40 CFR 421.116
§ 421.116 Pretreatment standards for new sources.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 421.116, § 421.116 Pretreatment standards for new sources, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/188986
- Permanent ID
ys:prov:188986@1- SHA-256
3b4c77c24fe37cce8fa530c81f27a39bb8d5150e3ebdbedb29b9b444f1f8bc22
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 new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary columbium-tantalum process wastewater introduced into a POTW shall not exceed the following values:
(a) Subpart K—Concentrate Digestion Wet Air Pollution Control.
PSNS
(b) Subpart K—Solvent Extraction Raffinate.
PSNS
(c) Subpart K—Solvent Extraction Wet Air Pollution Control.
PSNS
(d) Subpart K—Precipitation and Filtration.
PSNS
(e) Subpart K—Precipitation and Filtration Wet Air Pollution Control.
PSNS
(f) Subpart K—Tantalum Salt Drying.
PSNS
(g) Subpart K—Oxides Calcining Wet Air Pollution Control.
PSNS
(h) Subpart K—Reduction of Tantalum Salt to Metal.
PSNS
(i) Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control.
PSNS
(j) Subpart K—Tantalum Powder Wash.
PSNS
(k) Subpart K—Consolidation and Casting Contact Cooling.
PSNS
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.