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40 CFR 421, Subpart W -
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- § 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]
Title 40 published on 2012-07-01
no entries appear in the Federal Register after this date.
