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§ 421.90 |
Applicability: Description of the metallurgical acid plants subcategory |
§ 421.91 |
Specialized definitions |
§ 421.92 |
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available |
§ 421.93 |
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable |
§ 421.94 |
Standards of performance for new sources |
§ 421.95 |
Pretreatment standards for existing sources |
§ 421.96 |
Pretreatment standards for new sources |