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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Dec 05, 2019
Subpart B - Crushed Stone Subcategory
§ 436.20 - Applicability; description of the crushed stone subcategory.
§ 436.21 - Specialized definitions.
§ 436.22 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
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