Air Operating Permit - Puget Sound Clean Air Agency

EMISSION UNIT SPECIFIC REQUIREMENTSI.B.3 Coating, Cleaning, and Depainting OperationsPermit No. 13120Expiration Date: September 12,2013Page 34 of 291EU 3. 25 40CFR Requirements for the use of air pollution control NMR63.743(c) device not listed in this subpart.(4/20106)EU 3.26 40 CPR Facilities may choose to comply with averaging provisions Il.A.2(h)63.743(d) herein rather than individual coating limits in 40 CPR Aerospace(4/20106) 63.745 and 40 CFR 63.747. If choosing to comply with NESHAPaveraging provisions, Boeing shall use any combination Coatingof primers, topcoats (including self-priming topcoats), Type MonitoringI chemical milling maskants, or Type II chemical millingandmaskants such that the monthly volume-weighted averageRecordkeepingorganic HAP and VOC contents ofthe combination ofprimers, topcoats, Type I chemical milling maskants, or ProcedureType 11 chemical milling maskants, as determined inaccordance with the applicable procedures set forth in 40CFR 63.750, complies with the specified content limits in40 CPR 63.745(c) and 40 CFR 63.747(c).Averaging is allowed only for uncontrolled primers,topcoats (including self-priming topcoats), Type Ichemical milling maskants, or Type II chemicalmilling maskan!s.Averaging is not allowed between primers andtopcoats (including self-priming topcoats); norbetween Type I and Type II chemical millingmaskants; nor between primers and chemical millingmaskallts; nor between topcoats and chemical millingEU 3. 27 40CFR Aerospace NESHAP depainting requirements in 40 NMR63.746(a) CFR 63.746 do not apply to a facility that depaints six(911198) or less completed aerospace vehicles in a calendaryear.EU 3. 28 40CFR New and reconstructed affected sources that have an NMR63.749(a) initial startup after the effective date of 40 CPR 63(3/27/98) Subpart GG must comply with the requirements of 40CFR 63 Subpart GG upon startup.EU 3. 29 40CFR Boeing must receive permission from the Puget Sound NMR63.75 I (e) Clean Air Agency before using an alternative(12/8/00) monitoring procedure.Boeing~Everett Permit, issued September 12, 2008; Administrative Amendment 3: October 10, 2012