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SAN LEANDRO SHORELINE DEVELOPMENT EIR ADDENDUM PROJECT CITY OF SAN LEANDRO Page 18 PlaceWorks d) Create objectionable 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 9. The Approved Project was found to 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. Changes to the Approved Project from implementation of the Modified Project include a net increase of 6 housing units (increase of 14 townhomes and reduction of 8 single family detached homes) and a reduction of 1,027 square feet of overall building area. The net increase of 6 housing units in the Modified Project would remain 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 and First Addendum. 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., AIR-c The BAAQMD CEQA Air Quality Guidelines, published in May 2017, establishes screening-level thresholds, to provide lead agencies and project applicants with a conservative indication of whether the proposed project could result in potentially significant air quality impacts. Table 3-1 on p. 3-2 of the BAAQMD Guidelines includes screening levels for differing land uses. The screening levels for Condo/townhouse general is 451 dwelling units for pollutant criteria and 240 dwelling units for construction emissions. The increase of 6 housing units, combined with the net decrease of 1,027 square feet of building area would not significantly increase the maximum number of construction and operational vehicle trips or vehicular- related secondary effects such as air pollutants beyond those disclosed in the Certified EIR and First Addendum. Since the Modified Project includes only an increase of 6 townhouse units, the operational and construction impacts from the increased number of units would be considered less than significant. Therefore, because the Modified Project would not change the operations of the Approved Project as analyzed in the Certified EIR and would only result in an increase of 6 housing units which does not exceed screening-level thresholds, there are no substantial project changes or substantial changes to the surrounding circumstances that will require major revisions of the previous EIR nor new significant information which would require preparation of a subsequent EIR. 9