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SAN LEANDRO GENERAL PLAN <br />ENVIRONMENTAL JUSTICE <br />EJ-8 <br />Air Pollution <br />San Leandro is located within the San Francisco Bay Area Air Basin. Many <br />of the environmental pollutants that impact San Leandro are regional <br />pollutant issues that permeate the San Francisco Bay Area Air Basin (“the <br />Air Basin”), especially the East Bay subregion where San Leandro is <br />located. Air quality in the Air Basin is affected by the region’s emission <br />sources and by natural factors, including topography, wind speed and <br />direction, and air temperature gradient. The Air Basin typically has high <br />concentrations of pollutants due to its high population density. <br />Air pollution is generally produced by stationary sources and mobile <br />sources that include emissions from on-road vehicles or off-road sources <br />such as aircraft, ships, trains, and construction equipment. <br />Diesel Particulate Matter comes from mobiles sources such as trucks, <br />buses, cars, ships and locomotive engines and stationary sources, such as <br />standby generators. Per CalEnviroScreen, Diesel Particulate Matter is <br />concentrated near ports, rail yards and freeways. Research on the Air <br />Basin indicates that Diesel Particulate Matter is one of six toxic air <br />pollutants that cumulatively account for more than 90 percent of toxic air <br />contaminants in the Bay Area and is a primary driver of regional health <br />risks.4 California regulations enacted since 1990 have led to a steady <br />decline in diesel emissions that continues today. <br />Diesel Particulate Matter air pollution is one of the regional air quality <br />issues that impacts the San Leandro community. Research on the Air Basin <br />indicates that Diesel Particulate Matter is one of six toxic air pollutants <br />that cumulatively account for more than 90 percent of toxic air <br />contaminants in the Bay Area and is a primary driver of regional health <br />risks.5 In the East Bay, the flow of goods through the Port of Oakland and <br />associated regional transportation corridors are a major source of Diesel <br />Particulate Matter.6 San Leandro is located in close-proximity to the Port <br />of Oakland and is crossed by two major Interstates (I-880 and I-580) and <br />two freight rail lines. These sources contribute to elevated Diesel <br />Particulate Matter pollution in neighborhoods across San Leandro, with <br /> <br />4 Bay Area Air Quality Management District (2014). Improving Air <br />Quality and Health in Bay Area Communities. <br />6 Bay Area Air Quality Management District (2014). Improving Air <br />Quality and Health in Bay Area Communities. <br />6 Bay Area Air Quality Management District (2014). Improving Air <br />Quality and Health in Bay Area Communities.