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40 CFR 422.40

§ 422.40 Applicability; description of the defluorinated phosphate rock subcategory.

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

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40 CFR 422.40, § 422.40 Applicability; description of the defluorinated phosphate rock subcategory, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/189172
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The provisions of this subpart are applicable to discharges resulting from the defluorination of phosphate rock by application of high temperature treatment along with wet process phosphoric acid, silica and other reagents.

Legislative history

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