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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
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Title 40
Chapter I
Part 422
Subpart D - Subpart D—Defluorinated Phosphate Rock Subcategory
§ 422.40 - Applicability; description of the defluorinated phosphate rock subcategory.
§ 422.41 - Specialized definitions.
§ 422.42 - Effluent limitations and guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 422.43 - Effluent limitations and guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 422.44 - [Reserved]
§ 422.45 - Standards of performance for new sources.
§ 422.46 - [Reserved]
§ 422.47 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
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