Code of Federal Regulations · Section
§ 415.490 — Applicability; Description Of The Oxygen And Nitrogen Production Subcategory
40 C.F.R. § 415.490
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The provisions of this subpart are applicable to discharges resulting from the production of oxygen and nitrogen by air liquification.
Authorizing Statute
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Effluent limitations33 U.S.C. § 1311