40 CFR Subpart BK - Subpart BK—Zinc Sulfate Production Subcategory
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- § 415.630 Applicability; description of the zinc sulfate production subcategory.
- § 415.631 Specialized definitions.
- § 415.632 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
- §§ 415.633-415.635 [Reserved]
- § 415.636 Pretreatment standards for new sources (PSNS).