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City of Santa Ana Regulatory Setting Federal Federal Clean Air Act Environmental Checklist The Clean Air Act (CAA) was first enacted in 1963 and has been amended numerous times in subsequent years (1967, 1970, 1977, and 1990), The CAA establishes the National Ambient Air Quality Standards (NAAQS) and specifies future dates for achieving compliance. The CAA also mandates that the state submit and implement a State Implementation Plan (SIP) for local areas not meeting those standards. The plans must include pollution control measures that demonstrate how the standards will be met. Because the City of Santa Ana is within the Basin, it is in an area designated as nonartainment for certain pollutants that are regulated under the CAA. The 1990 amendments to the CAA identify specific emission-reduction goals for areas not meeting the NAAQS. These amendments require both a demonstration of reasonable further progress toward attainment and incorporation of additional sanctions for failure to attain or meet interim milestones. The sections of the CAA that would most substantially affect the development of the proposed project include Title I (Nonattainment Provisions) and Title Il (Mobile-Source Provisions). Title I provisions were established with the goal of attaining the NAAQS for criteria pollutants. Table 3-2 shows the NAAQS Currently in effect for each criteria pollutant. The NAAQS were amended in July 1997 to include an 8-hour standard for 03 and adopt a standard for PM2.s. The Basin (Orange County portion) fails to meet national standards for 03, PM10, and PM2.5 and therefore is considered a federal nonattainment area for these pollutants. Table 3.3 lists each criteria pollutant and their related attainment status. Table 3-2. Federal and State Ambient Air Quality Standards Pollutant Averaging Time CAAQSa NAAQSI, Ozone (03) 1 hour 0.09 ppm, - 8 hour 0.070 ppm 0.075 ppm Carbon Monoxide (CO) 1 hour 20 ppm 35 ppm 8 hour 9.0 ppm 9 ppm Nitrogen Dioxide (N02) 1 hour 0.18 ppm 100 ppb Annual Arithmetic Mean 0.030 ppm 53 ppb Sulfur Dioxide (SO2) 1 hour 0.25 ppm 75 ppb 24 hour 0.04 ppm 0.14 ppm Respirable Particulate Matter 24 hour 50 pg1m3c 150 pg/m3 (PM10) Annual Arithmetic Mean 20 pg/1113 - Fine Particulate Matter (PM2.5) 24 hour - 35 pg/m3 Annual Arithmetic Mean 12 pg/m3 15.0 pg/m3 Sulfates 24 hour 25 pg/m3 - Lead (Pb) 30 day average 1.5 pg/m3 - Calendar quarter - 1.5 pg/m3 Rolling 3-Month Average - 0.15 pg/tn3 Hydrogen Sulfide 1 hour 0.03 ppm - Vinyl Chloride 24 hour 0.01 oom - The Bat Nha Buddhist Meditation Center Initial Study/Mitigated Negative Declaration 3-14 June 2013 ICF 00215.12 31 C-67