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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 415
Subpart AD - Subpart AD—Calcium Carbonate Production Subcategory
§ 415.300 - Applicability; description of the calcium carbonate production subcategory.
§ 415.301 - Specialized definitions.
§ 415.302 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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