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40 CFR 421.106

§ 421.106 Pretreatment standards for new sources.

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

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40 CFR 421.106, § 421.106 Pretreatment standards for new sources, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/188977
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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 tungsten process wastewater introduced into a POTW shall not exceed the following values: (a) Subpart J—Tungstic Acid Rinse. PSNS (b) Subpart J—Acid Leach Wet Air Pollution Control. PSNS (c) Subpart J—Alkali Leach Wash. PSNS (d) Subpart J—Alkali Leach Wash Condensate. PSNS (e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters). PSNS (f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters). PSNS (g) Subpart J—Calcium Tungstate Precipitate Wash. PSNS (h) Subpart J—Crystallization and Drying of Ammonium Paratungstate. PSNS (i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control. PSNS (j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation. PSNS (k) Subpart J—Reduction to Tungsten Wet Air Pollution Control. PSNS (l) Subpart J—Reduction to Tungsten Water of Formation. PSNS (m) Subpart J—Tungsten Powder Acid Leach and Wash. PSNS (n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control. 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.