SUBPART AC—Secondary Tungsten and Cobalt Subcategory (§421.310 to §421.317)
- 421.310—Applicability: Description of the secondary tungsten and cobalt subcategory.
- 421.311—Specialized definitions.
- 421.312—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- 421.313—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- 421.314—Standards of performance for new sources.
- 421.315—Pretreatment standards for existing sources.
- 421.316—Pretreatment standards for new sources.