40 CFR 421.270
§ 421.270 Applicability: Description of the primary rare earth metals subcategory.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 421.270, § 421.270 Applicability: Description of the primary rare earth metals subcategory, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189103
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Full text
The provisions of this subpart are applicable to discharges resulting from the production of rare earth metals and mischmetal by primary rare earth metals facilities processing rare earth metal oxides, chlorides, and fluorides.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.