Subpart J—Primary Tungsten Subcategory
- §421.100 Applicability: Description of the primary tungsten subcategory.
- §421.101 Specialized definitions.
- §421.102 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- §421.103 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §421.104 Standards of performance for new sources.
- §421.105 Pretreatment standards for existing sources.
- §421.106 Pretreatment standards for new sources.
- §421.107 [Reserved]