U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 415Subpart BK - Subpart BK—Zinc Sulfate Production Subcategory
View all text of Subpart BK [§ 415.630 - § 415.636]
§ 415.630 - Applicability; description of the zinc sulfate production subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of zinc sulfate.

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