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57 FR 61992, Dec. 29, 1992, unless otherwise noted.
72 FR 2955, Jan. 23, 2007, unless otherwise noted.
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(a) You are subject to this subpart if you own or operate a primary zinc production facility or primary beryllium production facility that is an area source of hazardous air pollutant (HAP) emissions.
(b) The affected source is each existing or new primary zinc production facility or primary beryllium production facility.
(1) An affected source is existing if you commenced construction or reconstruction of the affected source before October 6, 2006.
(2) An affected source is new if you commenced construction or reconstruction of the affected source on or after October 6, 2006.
(c) If you own or operate a new or existing affected source, you must obtain a permit under 40 CFR part 70 or 71.