40 CFR Subpart W - Subpart W—Primary Precious Metals and Mercury Subcategory
- § 421.250 Applicability: Description of the primary precious metals and mercury subcategory.
- § 421.251 Specialized definitions.
- § 421.252 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.253 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.254 Standards of performance for new sources.
- § 421.255 [Reserved]
- § 421.256 Pretreatment standards for new sources.
- § 421.257 [Reserved]
Source:
50 FR 38361, Sept. 20, 1985, unless otherwise noted.