Subpart W - PRIMARY PRECIOUS METALS AND MERCURY SUBCATEGORY

Section 421.250 - Applicability: Description of the primary precious metals and mercury subcategory
Section 421.251 - Specialized definitions
Section 421.252 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
Section 421.253 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
Section 421.254 - Standards of performance for new sources
Section 421.255 - Reserved
Section 421.256 - Pretreatment standards for new sources
Section 421.257 - Reserved