§ 417.140 Applicability; description of the neutralization of sulfuric acid esters and sulfonic acids subcategory
§ 417.141 Specialized definitions
§ 417.142 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
§ 417.143 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
§ 417.144 Pretreatment standards for existing sources
§ 417.145 Standards of performance for new sources
§ 417.146 Pretreatment standards for new sources