SUBPART M—Secondary Lead Subcategory (§421.130 to §421.137)
- 421.130—Applicability: Description of the secondary lead subcategory.
- 421.131—Specialized definitions.
- 421.132—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- 421.133—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- 421.134—Standards of performance for new sources.
- 421.135—Pretreatment standards for existing sources.
- 421.136—Pretreatment standards for new sources.