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SAN LEANDRO SHORELINE DEVELOPMENT EIR ADDENDUM PROJECT CITY OF SAN LEANDRO d) ''Feat^ objeetiepabl^ Result in other emissions (such as those leading to odors or dust) adversely affecting a substantial number of people? Comments: AIR -a. The Certified EIR concluded that the Original Project was consistent with BAAQMD's Bay Area 2010 Clean Air Plan. At the time of the Certified EIR, the applicable air quality management plan for the San Francisco Bay Area Air Basin (SFBAAB) was the Bay Area 2010 Clean Air Plan. Since certification of the EIR, the BAAQMD has adopted its 2017 Clean Air Plan. The Modified Project would be consistent with the growth assumptions in the 2017 Clean Air Plan and the overall use would be similar to the Original Project, analyzed and discussed in the Certified EIR. Furthermore, as discussed below in AIR -b, operation of the Modified Project would not exceed the BAAQMD regional operation -phase significance thresholds. As discussed in Section 3.14, Population and Housing, while implementation of the Modified Project would result in 359 additional residents that would contribute to direct population growth, it would also result in 616 fewer employees that would contribute to indirect population growth. Thus, the Modified Project would not have the potential to substantially affect housing, employment, and population projections within the San Francisco Bay Area region, which is the basis of the Clean Air Plan projections. Therefore, the Modified Project would not result in a new impact or a substantial increase in magnitude of existing impacts which would conflict with or obstruct implementation of the applicable air quality plan. AIR -b. The following describes changes in regional impacts from short-term construction activities and long-term operation of the Modified Project compared to construction and operation of the Original Project. Regional Construction Impacts: Construction Fugitive Dust Ground disturbing activities during construction would generate fugitive dust (PM10 and PM2.5). The amount of dust generated during construction would be highly variable and is dependent on the amount of material being disturbed, the type of material, moisture content, and meteorological conditions. If uncontrolled, PM10 and PM2.5 levels downwind of actively disturbed areas could possibly exceed State standards. Consequently, BAAQMD considers all impacts related to fugitive dust emissions from construction to be less than significant with implementation of BAAQMD's best management practices described in Mitigation Measure AIR -2 of the Certified EIR. Construction Exhaust Emissions The Modified Project will require imported fill to raise the base elevations of portions of the site in order to address FEMA flood zone requirements and sea -level rise. It is estimated that approximately 208,000 cubic yards of imported fill and 22,000 cubic yards of export that was not considered for the Original Project would be required, resulting in an increase in construction truck trips over what was described in the 2015 Certified EIR. The additional import and export of soil required under the Modified Project would result in an overall total of 2,576 demolition and 28,750 soil haul truck trips, compared to the 825 demolition truck trips generated under the Original Project. Thus, a quantified analysis of the Modified Project's construction emissions was conducted using CaIEEMod Version 2016.3.25, attached as Appendix A, based on information provided by the project applicant. Construction is assumed to last approximately January 2020 Page 27