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I <br /> s�` { <br />' ! <br /> f MOt1NTAiN HOUSE PROPOSED AT.TAMONT HEIGHTS 1EN"rATIVE MAP 4. ENVIRONMENTAL CHECKLIST <br /> 4.3 Alli QUALITY <br /> Less Than <br /> Potential SPIIIEIR Significant <br /> Signiflcant Requires Impact Due New New <br /> Impact Additional to Mitigation Additional Additional <br /> Less Than Adequately Review.No Measures in Impact Not Mitigation <br /> Signiflcant Addressed in Significant Project Addressed in Measures <br /> Issue or No Impact SPIIIEIR Impact Description SPIIIEIR Required <br /> 3. AIR QUALITY. Where available, <br /> the significance criteria established by the <br /> applicable air quality management or air <br /> pollution control district may be relied <br /> upon to make the following <br /> determinations. Would the project! <br /> t a) Conflict with or obstruct <br /> implementation of the applicable air ■ ❑ ❑ <br /> quality plan? <br /> b) Violate any air quality standard or ■ ❑ ❑ ❑ ❑ <br /> contribute substantially to an <br /> existing or projected air quality <br /> violation? <br /> c) Result in a cumulatively L . L] El ❑ ❑ <br /> considerable net increase of any <br /> criteria pollutant for which the <br /> project region is non-attainment <br /> under an applicable federal or state <br /> ambient air quality standard <br /> (including releasing emissions <br /> which exceed quantitative <br /> thresholds for ozone precursors)? <br /> d) Expose sensitive receptors to ■ <br /> substantial pollutant concentrations? <br /> e) Create objectionable odors affecting 11 Ll El El■ <br /> a substantial number of people? <br /> SETTING <br /> The Mountain House Community is located in the San Joaquin Valley Air Basin(SJVAB), <br /> which is under the jurisdiction of the San Joaquin Valley Air Pollution Control District <br /> (SJVAPCD). Pursuant to the California Clean Air Act,the California Air Resources Board <br /> (CARB) is required to designate areas of the state as attainment,non-attainment, or <br /> unclassified with respect to applicable standards. <br /> A summary of annual ambient air quality data for the SJVAB for the years 2000 through <br /> 2003 is presented in Table 4.12-2 of the SPIIIEIR. The SJVAB is currently designated as a <br /> non-attainment area with respect to the state PMIO standards. The attainment designation <br /> with respect to the PM2,5 has not been determined(EDAW, 2005b). PM is the acronym for <br /> "particulate matter," and the subscripts refer to the maximum diameters of the particles in <br /> microns. The entire SJVAPCD is in serious non-attainment designation for 8-hour ground- <br /> level ozone. The SJVAPCD is working on a plan to reach attainment by 2013 (Machado <br /> Checklist, 2006). <br /> F 4-12 <br />