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attainment strategies are implemented), future background cony <br />trations should be low enough to reduce the number of days <br />ceeding the 8 -hour standard, in the project vicinity. <br />The AQMP assumes a level of growth in population and employm n. <br />consistent with the SCAG -82 forecast (based on a local jurisa <br />tion's General Plan). The project proposal is consistent w t`i <br />the Circulation Element of the General Plan for Santa Ana; the: e.-- <br />fore, the project appears to be consistent with the AQMP. Mo :r,-- <br />over, the project will not adversely impact regional ambient it <br />quality. It will improve several circulation performance char�c- <br />teristics which are instrumental in determining vehicle emiss -3r, <br />rates and thus air pollutant emissions. <br />On November 3, 1987, the Ninth Circuit Court of Appeals issued <br />opinion vacating and ordering disapproval of Environmen <br />Protection Agency's (EPAs) previous approval of ozone and cari <br />monoxide (CO) control measures for the South Coast Air BaF <br />(SCAB). The State Implementation Plan (SIP) for ozone and CO <br />SCAB was disapproved by EPA on January 22, 1988. This project <br />in an area where there is not an approved SIP current <br />containing any enforceable Transportation Control Measures (TCM�Z) <br />for ozone and CO. Therefore, the conformity procedures of 23 C=" <br />770 do not apply to this project. A SIP revision has be <br />developed for this area by the local air quality a; <br />transportation planning agencies, but that SIP revision has n <br />been approved by EPA. The mobile emission analysis of the area <br />air quality management plan, included in the proposed S <br />revision is based on a Regional Transportation Plan (and Progra <br />that includes this project. Therefore, it is expected that if <br />SIP revision is approved for the project area, that this proje( <br />would conform to it. <br />3 -13 <br />