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*AV : 11-1 h WA <br />Table 2 Attainment Status of Criteria Pollutants in the South Coast Air Basin <br />Pollutant <br />State <br />Federal <br />Ozone -l-hour <br />Extreme Nonattainment <br />No Federal Standard <br />Ozone-8-hour <br />Extreme Nonattainment <br />Extreme Nonattainment <br />PM10 <br />Serious Nonattainment <br />Attainment/Maintenanoo <br />PMzs <br />Nonattainment <br />Nonattainment' <br />CO <br />Attainment <br />Attainment <br />NO2 <br />Attainment <br />Attainment/Maintenanre <br />S02 <br />Attainment <br />Attainment <br />Lead <br />Attainment <br />Nonattainment (Los Angeles County onlyy <br />All others <br />Attainment/Unclassified <br />Attainment/Unclassified <br />Source. GARB 2017a. <br />SCAQMG is seeking to reclassify the SoCAB from "moderate" to "serious" nonaftainment under federal PMzs standard. <br />2 In 2010, the Los Angeles Portion of the SoGAB was designated nonatlainment for lead under the new federal and existing state AAQS as a result of large <br />industrial emitters. Remaining areas in the SoCAB are unclassified. <br />Existing Ambient Air Quality <br />Existing levels of ambient air quality and historical trends and projections in the vicinity of the project site <br />are best documented by measurements taken by the SCAQMD. The project site is in Source Receptor Area <br />(SRA) 17 — Central Orange County. The air quality monitoring station closest to the project site is the La <br />Habra Monitoring Station. This station monitors 03, CO, and NO2. Data for SO2 is supplemented by the <br />Costa MesaMesaVerde Drive Monitoring Station and PM3o and PMzs is supplemented by the Azusa <br />Monitoring Station. The most current five years of data monitored at these monitoring stations are included <br />in Table 3, Ambient Air Quality Monitoring Summary. The data show recurring violations of both the state and <br />federal 03 standards. The data also indicates that the area consistently exceeds the state PM3o standards and <br />federal PM2_5 standard. The lack of data provided for both CO and SO2 does not allow for threshold <br />exccedance conclusions to be made. <br />75C-149 <br />