40 CFR 411.20
§ 411.20 Applicability; description of the leaching subcategory.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 411.20, § 411.20 Applicability; description of the leaching subcategory, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/187971
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Full text
The provisions of this subpart are applicable to discharges resulting from the process in which several mineral ingredients (limestone or other natural sources of calcium carbonate, silica, alumina, and iron together with gypsum) are used in the manufacturing of cement and in which kiln dust is contacted with water as an integral part of the process or water is used in wet scrubbers to control kiln stack emissions.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.