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Draft Supplemental Environmental Impact Report Page IV.D-30 Forward Inc. Landfill 2018 Revised Project The purchase of the verifiable GHG credits22 would reduce the impact to a level that is less than significant. Impact D.5.The project would contribute to a cumulative air quality impact in the project area (Revises 2013 EIR Impact 13.6.). According to the SJVAPCD GAMAQI, cumulative impacts should be assessed for ozone,PM10, CO, and TAC. The SJVAB is nonattainment for both the NAAQS and CAAQS for ozone. The SJVAB is nonattainment for the CAAQS for PM10.The nonattainment status of ozone and PM10 in the SJVAB is a result of past and present development within the SJVAB. Thus,the existing emissions of ozone and PM10 in the SJVAB have resulted in an existing significant cumulative impact. Ozone impacts are the result of the cumulative emissions from numerous sources in the region and transport from outside the region. Ozone impacts are assessed based on the emissions of NO,, and VOC (ozone precursors). The project would have a less than significant impact on project-level ozone impacts (after mitigation). However, the residual emissions from the project (emissions after mitigation and emissions from the extended years of landfill operations, and increased daily acceptance rate [above existing actual emissions], as a result of the project) would contribute to overall ozone nonattainment in the region and would be considered a cumulatively considerable contribution to the existing significant cumulative impact in the SJVAB. PM10 impacts are assessed by determining exposure to sensitive receptors near the project site from earth disturbing activities from the current project and any nearby projects that may occur at the same time. According to SJVAPCD GAMAQI, if the level of earth disturbing activity may cause an adverse impact, enhanced dust control measures should be included to reduce the impact to less than significant levels. Thus, with Mitigation Measure D.2a. and D.2b., the project-level impacts of PM10 from the project would be less than significant. However,the project would contribute to the overall PMIo nonattainment within the region. Because the project would result in PM10 emissions from traffic and operations every day (due to the extended years of landfill operations as a result of the project), the project's emissions would be considered a cumulatively considerable contribution to the existing significant cumulative impact in the SJVAB. In recent years, CO measurements are well below AAQS due to the retirement of older polluting vehicles, less emissions from new vehicles, and improvements in fuels. As a result,no future violations of the CO standard are anticipated from the project and any cumulative project in the vicinity. The cumulative CO impact would be less than significant. TAC emissions were found to be well below the SJVAPCD thresholds for incremental cancer risk and non-carcinogenic acute and chronic risks (see Section IV.E.,Public Health and Safety, 22 A carbon credit or carbon offset is a credit for GHG emissions reduced or removed from the atmosphere from an emissions reduction project,which can be used,by governments,industry or private individuals to compensate for the emissions they are generating.California's long-term GHG reductions goals in existing laws/regulations such as E.O.S-3-05,E.O.B-30-15,and S.B.32 ensure carbon credits will be available in 2020 and beyond.