40 CFR Subpart I
Metallurgical Acid Plants Subcategory
June 9, 2020
§
421.94
Standards of performance for new sources
§
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
§
421.95
Pretreatment standards for existing sources
§
421.96
Pretreatment standards for new sources
§
421.97
[Reserved]
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