subpart_subject: "Research and Development Requirements"
section_number: "57.601"
section_subject: "General requirements."
cfr_reference: "40 CFR 57.601"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 53 to 59"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)This subpart is not applicable to NSOs which contain a SIP compliance schedule in accordance with § 57.705.
(b)The requirements of this subpart may be waived with respect to a smelter if the owner of that smelter submits with its NSO application a written certification by a corporate official authorized to make such a certification that the smelter will either comply with its SO2 SIP limits by January 2, 1988 or close after January 1, 1988 until it can comply with such limits.
(c)Except as provided in paragraphs (a) and (b), each NSO shall require the smelter to conduct or participate in a specific research and development program designed to develop more effective means of compliance with the sulfur dioxide control requirements of the applicable State Implementation Plan than presently exist.