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40 CFR 421.253

§ 421.253 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

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

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40 CFR 421.253, § 421.253 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189088
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable: (a) Smelter wet air pollution control. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (b) Silver chloride reduction spent solution. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (c) Electrolytic cells wet air pollution control. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (d) Electrolyte preparation wet air pollution control. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (e) Calciner Wet Air Pollution Control. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (f) Calcine quench water. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (g) Calciner stack gas contact cooling water. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (h) Condenser blowdown. BAT Limitations for the Primary Precious Metals and Mercury Subcategory (i) Mercury cleaning bath water. BAT Limitations for the Primary Precious Metals and Mercury 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.