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<br />Ponderosa Homes - Lehman/Selway Property - Environmental Checklist <br /> <br />3. AIR QUALITY <br /> <br />Environmental Setting <br /> <br />The Bay Area has remained one of the cleanest of the five major urban Ca1ifomia air basins in recent <br />years, however, there are still several days annually when air pollution exceeds the federal and state air <br />quality standards. These standards, set at different concentrations for each of the major air pollutants <br />have been developed to protect public health. <br /> <br />The Bay Area Air Quality Management District (BAAQMD) regulates air quality in the Bay Area Re- <br />gion through its permit authority over most stationary emission sources and through its planning and re- <br />view activities. The BAAQMD is the main permitting agency for air pollutant sources. <br /> <br />Standards of Significance <br /> <br />For purposes of this environmental document, an impact is considered significant if the proposed project <br />would: <br /> <br />. Result in pollution emission levels above those established by BAAQMD in either short term <br />(construction related) or long term(traffic). <br /> <br />Issues <br /> <br />Potentially <br />Significant <br />Impact <br /> <br />Less Than <br />Significant <br />With Mitigation <br />Incorporated <br /> <br />Less Than <br />Significant <br />Impact <br /> <br />No <br />Impact <br /> <br />Air Qualitv <br />Where available, the significance criteria established by the applicable air quality management or air <br />pollution control district may be relied upon to make the following determinations. Would the project: <br />a) Conflict with or obstruct implementation of the appli- D D [i] D <br /> cable air quality plan? <br />b) Violate any air quality standard or contribute substan- D D [K] D <br /> tially to an existing or projected air quality violation? <br />c) Result in a cumulatively considerable net increase of D D [K] D <br /> any criteria pollutant for which the project region is <br /> non-attainment under an applicable federal or state <br /> ambient air quality standard (including releasing emis- <br /> sions, which exceed quantitative thresholds for ozone <br /> precursors)? <br />d) Expose sensitive receptors to substantial pollutant con- D D [K] D <br /> centrations? <br />e) Create objectionable odors affecting a substantial num- D D [i] D <br /> ber of people? <br />PUD-50 and PTR-5572 Page 11 of 36 June 7. 2006 <br />