Subpart G. Subpart G—Primary Lead Subcategory

• § 421.70 - Applicability: Description of the primary lead subcategory.
• § 421.71 - Specialized definitions.
• § 421.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
• § 421.73 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
• § 421.74 - Standards of performance for new sources.
• § 421.75 - Pretreatment standards for existing sources.
• § 421.76 - Pretreatment standards for new sources.
• § 421.77 - [Reserved]