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3.0 ENVIRONMENTAL CHECKLIST <br />1388 Bancroft Avenue Project City of San Leandro <br />Initial Study/Mitigated Negative Declaration November 2018 <br />3.0-12 <br />TABLE 3.3-3 <br />SUMMARY OF AMBIENT AIR QUALITY DATA <br />Pollutant Standards 2015 2016 2017 <br />Ozone (Oakland-9925 International Boulevard Station) <br />Maximum 1-hour concentration (ppm) state 0.094 0.082 0.136 <br />Number of days above state 1-hour standard (0.090 ppm) 0 0 2 <br />Maximum 8-hour concentration (ppm) state 0.074 0.058 0.101 <br />Number of days above state 8-hour standard (0.070 ppm) 2 0 2 <br />Maximum 8-hour concentration (ppm) federal 0.074 0.057 0.100 <br />Number of days above federal 8-hour 2015 standard (0.070 ppm) 2 0 2 <br />Fine Particulate Matter (PM2.5) (Oakland-9925 International Boulevard Station) <br />Maximum 24-hour concentration (µg/m3) federal 44.7 15.5 70.2 <br />Number of days above federal standard (35 µg/m3) 1.0 0.0 7.0 <br />Source: CARB 2018 <br />Notes: μg/m3 = micrograms per cubic meter; ppm = parts per million <br />Sensitive Receptors <br />Some land uses are considered more sensitive to air pollution than others because of the types of <br />populations or activities involved. Sensitive population groups include children, the elderly, the acutely ill, and the chronically ill, especially those with cardiorespiratory diseases. <br />Residential areas are considered sensitive receptors to air pollution because residents (including <br />children and the elderly) tend to be at home for extended periods of time, resulting in sustained <br />exposure. Recreational land uses are considered moderately sensitive to air pollution. Although exposure periods are generally short, exercise places a high demand on respiratory functions, <br />which can be impaired by air pollution. In addition, noticeable air pollution can detract from the <br />enjoyment of recreation. <br />The closest existing residential sensitive receptors are two single-family residences adjacent to the project property boundary to the east and five single-family residences across Joaquin Avenue to <br />the south. The closest school to the project site is Bancroft Middle School, approximately 70 feet <br />across Estudillo Avenue to the north. <br />Odors <br />The land uses identified by the BAAQMD as sources of odors include wastewater treatment plants, <br />wastewater pumping facilities, sanitary landfills, transfer stations, composting facilities, petroleum <br />refineries, asphalt batch plants, chemical manufacturing and fiberglass manufacturing facilities, <br />painting/coating operations, rendering plants, coffee roasters, food processing facilities, confined animal facilities, feedlots, dairies, green waste and recycling operations, and metal smelting <br />plants. The project area vicinity is primarily residential and does not include any of these potential <br />odor sources (BAAQMD 2017a).