Subpart J. 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]