40 CFR 421.332
§ 421.332 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 421.332, § 421.332 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189158
- Permanent ID
ys:prov:189158@1- SHA-256
043675e6efb7beb3def04d626964fcd9336afe67c4a35716b3987ad53dd6ba52
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 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 practicable technology currently available:
(a) Sand drying wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(b) Sand chlorination off-gas wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(c) Sand chlorination area-vent wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(d) SiCl4 purification wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(e) Feed makeup wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(f) Iron extraction (MIBK) steam stripper bottoms.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(g) Zirconium filtrate.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(h) Hafnium filtrate.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(i) Calcining caustic wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(j) Pure chlorination wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(k) Reduction area-vent wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(l) Magnesium recovery off-gas wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(m) Magnesium recovery area-vent wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(n) Zirconium chip crushing wet air pollution control.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(o) Acid leachate from zirconium metal production.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(p) Acid leachate from zirconium alloy production.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(q) Leaching rinse water from zirconium metal production.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
(r) Leaching rinse water from zirconium alloy production.
BPT Limitations for the Primary Zirconium and Hafnium 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.