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