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40 CFR 421.330

§ 421.330 Applicability: Description of the primary zirconium and hafnium subcategory.

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

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40 CFR 421.330, § 421.330 Applicability: Description of the primary zirconium and hafnium subcategory, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189156
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Full text

The provisions of this subpart are applicable to discharges resulting from the production of zirconium or hafnium at primary zirconium and hafnium facilities. There are two levels of BPT, BAT, NSPS, PSES and PSNS provisions for this subpart. Facilities which only produce zirconium or zirconium/nickel alloys by magnesium reduction of zirconium dioxide are exempt from regulations. All other facilities are subject to these regulations.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.