Subpart N. Subpart N—Neutralization of Sulfuric Acid Esters and Sulfonic Acids Subcategory

• § 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.