Code of Federal Regulations · Section

§ 421.110 — Applicability: Description Of The Primary Columbium-tantalum Subcategory

40 C.F.R. § 421.110

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The provisions of this subpart are applicable to discharges resulting from the production of columbium or tantalum by primary columbium-tantalum facilities.

40 C.F.R. § 421.111

Authorizing Statute