part_subject: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)"
subpart_code: "P"
subpart_subject: "PPPP—National Emission Standards for Hazardous Air Pollutants for Engine Test Cells/Stands"
section_number: "63.9285"
section_subject: "Am I subject to this subpart?"
cfr_reference: "40 CFR 63.9285"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Part 63 (§ 63.8980 to end of part 63)"
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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You are subject to this subpart if you own or operate an engine test cell/stand that is located at a major source of HAP emissions.
(a)An engine test cell/stand is any apparatus used for testing uninstalled stationary or uninstalled mobile (motive) engines.
(b)An uninstalled engine is an engine that is not installed in, or an integrated part of, the final product.
(c)A major source of HAP emissions is a plant site that emits or has the potential to emit any single HAP at a rate of 10 tons (9.07 megagrams) or more per year or any combination of HAP at a rate of 25 tons (22.68 megagrams) or more per year.