40 CFR 471.25
§ 471.25 Pretreatment standards for new sources (PSNS).
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 471.25, § 471.25 Pretreatment standards for new sources (PSNS), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/190996
- Permanent ID
ys:prov:190996@1- SHA-256
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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 (PSNS). The mass of wastewater pollutants in magnesium forming process wastewater introduced into a POTW shall not exceed the following values:
(a) Rolling spent emulsions.
Subpart B—PSNS
(b) Forging spent lubricants—subpart B—PSNS. There shall be no discharge of process wastewater pollutants.
(c) Forging contact cooling water.
Subpart B—PSNS
(d) Forging equipment cleaning wastewater.
Subpart B—PSNS
(e) Direct chill casting contact cooling water.
Subpart B—PSNS
(f) Surface treatment spent baths.
Subpart B—PSNS
(g) Surface treatment rinse.
Subpart B—PSNS
(h) Sawing or grinding spent emulsions.
Subpart B—PSNS
(i) Degreasing spent solvents—subpart B—PSNS. There shall be no discharge of process wastewater pollutants.
(j) Wet air pollution control scrubber blowdown.
Subpart B—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.