40 CFR 57.101 - Purpose and scope.

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§ 57.101 Purpose and scope.
(a) Applicability of the regulations. The regulations in subparts A through H govern:
(1) The eligibility of smelters for a Primary Nonferrous Smelter Order (NSO) under section 119 of the Clean Air Act;
(2) The procedures through which an NSO can be approved or issued by EPA; and
(3) The minimum contents of each NSO required for EPA issuance or approval under section 119. Subpart I et seq., will contain NSOs in effect for individual smelters.
(b) State authority to adopt more stringent requirements. Nothing in this part shall preclude a State from imposing more stringent requirements, as provided by section 116 of the Clean Air Act.

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

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