Subpart N. Subpart N—Primary Antimony Subcategory
- § 421.140 - Applicability: Description of the primary antimony subcategory.
- § 421.141 - Specialized definitions.
- § 421.142 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.143 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.144 - Standards of performance for new sources.
- § 421.145 - [Reserved]
- § 421.146 - Pretreatment standards for new sources.
- § 421.147 - [Reserved]