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City of San Leandro 14143-14273 Washington Avenue Warehouse Project 30 Policy EH-5.4: Separation from Sensitive Uses. Provide adequate and safe separation between areas where hazardous materials are present and sensitive uses such as schools, residences, and public facilities. Zoning and other development regulations should include performance standards to avoid safety hazards and achieve compatibility between uses. Policy LU-10.2: Off-Site Impacts. Consider the setting and context of each site when evaluating proposals for development in industrial areas. The potential for impacts on adjacent uses, including the potential for land use conflicts and increased parking demand and truck traffic, should be a key consideration. Significance Thresholds The BAAQMD has adopted guidelines for quantifying and determining the significance of air quality emissions in its California Environmental Quality Act Air Quality Guidelines (BAAQMD 2022). BAAQMD recommends that lead agencies determine appropriate air quality emissions thresholds of significance based on substantial evidence in the record. BAAQMD’s significance thresholds in the updated 2022 CEQA Air Quality Guidelines for project operations within the SFBAAB are the most appropriate thresholds for use in determining air quality impacts of the project. BAAQMD developed screening criteria to provide lead agencies and project applicants with a conservative indication of whether a project could result in potentially significant air quality impacts. Table 7 presents the significance thresholds for construction and operational-related criteria air pollutant and precursor emissions used for the purposes of this analysis. These represent the levels at which a project’s individual emissions of criteria air pollutants or precursors would result in a cumulatively considerable contribution to the SFBAAB existing air quality conditions. For the purposes of this analysis, the project would result in a significant impact if construction or operational emissions would exceed any of the thresholds shown in Table 7. Table 7 Criteria Air Pollutant Significance Thresholds Pollutant Construction Thresholds Operational Thresholds Average Daily Emissions (lbs/day) Average Daily Emissions (lbs/day) Maximum Annual Emissions (tons/year) ROG 54 54 10 NOX 54 54 10 PM10 82 (exhaust) 82 15 PM2.5 54 (exhaust) 54 10 Fugitive Dust Construction Dust Ordinance or other Best Management Practices Not Applicable OG = reactive organic gases, NOX = nitrogen oxides, PM10 = particulate matter 10 microns in diameter or less, PM2.5 = particulate matter 2.5 microns in diameter or less; lbs/day = pounds per day, BAAQMD = Bay Area Air Quality Management District Source: BAAQMD 2022 BAAQMD maintains rules and regulations to regulate sources of air pollution. Applicable rules and regulations are listed below. Additionally, BAAQMD does not have quantitative thresholds for fugitive dust emissions during construction. Instead, BAAQMD recommends Best Management Practices (BMPs) be implemented to reduce fugitive dust emissions, which are also listed below.