U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 415Subpart M - Subpart M—Potassium Sulfate Production Subcategory
§ 415.130 - Applicability; description of the potassium sulfate production subcategory.
§ 415.131 - Specialized definitions. [Reserved]
§ 415.132 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 415.133 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 415.134 - [Reserved]
§ 415.135 - New source performance standards (NSPS).
§ 415.136 - Pretreatment standards for new sources (PSNS).
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