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]