40 CFR 411.10 - Applicability; description of the nonleaching subcategory.
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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 not contracted with water as an integral part of the process and water is not used in wet scrubbers to control kiln stack emissions.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.