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Table 5.2 -3 Ambient Air Qualitv Monitori <br />HARBOR BLVD. MIXED USE TRANSIT CORRIDOR PLAN FINAL FIR <br />CITY OF SANTA ANA <br />5. Environmental Analysis <br />AIR QUALITY <br />Number of Days Threshold Were Exceeded and <br />Pollutant/Standard 1 2007 1 2008 1 2009 1 2010 1 2011 <br />Ozone (OaP <br />State 1 -Hour > 0.09 ppm <br />2 <br />2 <br />0 <br />1 <br />0 <br />State 8 -hour > 0.07 ppm <br />7 <br />10 <br />2 <br />1 <br />1 <br />Federal 8-Hour > 0.075 ppm <br />1 <br />5 <br />1 <br />1 <br />0 <br />Max. 1-Hour Conc. (ppm) <br />0.127 <br />0.105 <br />0.093 <br />0.104 <br />0.088 <br />Max. 8-Hour Conc. (ppm) <br />0.099 <br />0.086 <br />0.077 <br />0.088 <br />0.072 <br />Carbon Monoxide (CO)i <br />State 8 -Hour > 9.0 ppm <br />0 <br />0 <br />0 <br />0 <br />0 <br />Federal 8-Hour_ 9.0 ppm <br />0 <br />0 <br />0 <br />0 <br />0 <br />Max. 8-Hour Conc. (ppm) <br />2.91 <br />3.44 <br />2.73 <br />1.98 <br />2.08 <br />Nitrogen Dioxide (NO41 <br />State 1-Hour 0.18 ppm <br />Max. 1 -Hour Conc. (ppm) <br />0 <br />0.086 <br />0 <br />0.093 <br />0 <br />0.068 <br />0 <br />0.073 <br />0 <br />0.074 <br />Sulfur Dioxide (SO42 <br />State 1-Hour 0.04 ppm <br />Max. 1- Hour Conc. (ppm) <br />0 <br />0.004 <br />0 <br />0.003 <br />0 <br />0.004 <br />0 <br />0.002 <br />0 <br />0.002 <br />Coarse Particulates (PMtolt <br />State 24 -Hour > 50 Ng /m3 <br />6 <br />3 <br />1 <br />0 <br />2 <br />Federal 24 -Hour > 150 Ng /m3 <br />1 <br />0 <br />0 <br />0 <br />0 <br />Max. 24 -Hour Conc. (Ng /m3) <br />489.0 <br />111.5 <br />97.4 <br />43.0 <br />53.0 <br />Fine Particulates (PM25)1 <br />Fedeml 244iour> 35 Ng /m3 14 5 5 0 2 <br />Max. 24 -Hour Conc. (Ng /m3) 79.4 67.8 64.5 31.7 39.2 <br />Soumz: CARB 201X <br />ppm: parts per million; pgIM3: or micrograms per cubic meter. <br />Data obtained from the Anaheim — Pampa Lane Monitoring Station at 1630 Pampas Lane in the City of Anaheim. <br />3 Data obtained from the Costa Mesa — Mesa Verde Drive Monitoring Station at 2850 Mesa Verde Drive East in the City of Costa Mesa- <br />Existing Setting <br />As shown in Table 5.2 -4, there are current existing land uses within the boundaries of the Harbor Boulevard <br />Mixed Use Corridor Plan consisting of residential, retail, commercial, and light industrial land uses. These <br />uses currently generate criteria air pollutants from natural gas use for heating and cooking, vehicle trips <br />associated with each land use, and area sources such as landscaping equipment and consumer cleaning <br />products. <br />October 2014 Page 5.2 -77 <br />