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HARBOR BLVD. MIXED USE TRANSIT CORRIDOR PLAN FINAL FIR <br />CITY OF SANTA ANA <br />5. Environmental Analysis <br />AIR QUALITY <br />Table 5.2 -2 Attainment Status of Criteria Pollutants in the South Coast Air Basin <br />Pollutant <br />State <br />Federal <br />Ozone —1 -hour <br />Extreme Nonattainment <br />No Federal Standard <br />Ozone — &hour <br />Extreme Nonattainment <br />Severe-17 Nonattainment' <br />PMto <br />Serious Nonattainment <br />Nonattainment2 <br />PM25 <br />Nonattainment <br />Nonattainment <br />CO <br />Attainment <br />Attainment <br />NO2 <br />Nonattainment <br />Attainment/Maintenance <br />S02 <br />Attainment <br />Attainment <br />Lead <br />Nonattainment (Los Angeles County only)3 <br />Nonattainment (Los Angeles County only )3 <br />All others <br />Attainment/Unclassified <br />Attainment/Unclassified <br />Source: CARB 2013a. <br />' SCAQMD may petition for Extreme Nonattainment designation. <br />2Annual standard revoked September 2006. CARB approved SCAQMD's request to redesignate the SoCAB from serious nonattainment for PM10 to <br />attainment for PM10 under the National AAQS on March 25, 2010, because the SoCAB has not violated federal 24 -hour PM10 standards from 2004 <br />to 2007. However, the EPA has not yet approved this request. <br />'The Los Angeles portion of the SoCAB was designated nonattainment for lead under the new federal and existing state AAQS as a result of large <br />industrial emitters. Remaining areas within 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 />and project area are best documented by measurements made by SCAQMD. The project site is in Source <br />Receptor Area (SRA) 17 — Inland Orange County (Central Orange County). The air quality monitoring <br />station closest to the project is the Anaheim Pampa Lane Monitoring Station. This station does not have <br />information for 5O2, so the information for this criteria air pollutant was obtained from the Costa Mesa Mesa <br />Verde Drive monitoring station. Data from these stations are summarized in Table 5.2 -3. The data show that <br />the concentration levels of 03, PMto, and PM25 of the area regularly exceed the state and federal one -hour <br />and eight -hour 03 standards as well as the state PMto and federal PM25 standards. The CO, 5O2, and NO2 <br />standards have not been exceeded in the last five years in the project vicinity. <br />Page 5.2 -10 PlaceWorkr <br />