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Draft Supplemental Environmental Impact Report Page IV.D-14 Forward Inc.Landfill 2014 Expansion Project Potential Impacts and Mitigation Measures Criteria of Significance .. According to Appendix G of the CEQA Guidelines a project may be deemed to have a significant effect on the environment if it would: • Conflict with or obstruct implementation of the applicable air quality plan(s); • Violate any air quality standard or contribute substantially to an existing or projected air quality violation; ` • Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non-attainment under an applicable federal or state ambient air quality standard (including releasing emissions which exceed quantitative thresholds for ozone precursors); • Expose sensitive receptors to substantial pollutant concentrations;or Create objectionable odors affecting a substantial number of people. L. Also, to address GHG emissions, the proposed project may be deemed to have a significant effect on the environment if it would: ` • Generate GHG emissions, either directly or indirectly, that may have a significant impact on the environment;or • Conflict with an applicable plan, policy,or regulation adopted for the purpose of `. reducing the emissions of GHGs. Consistent with CEQA Guidelines Appendix G, the SJVAPCD has established thresholds of significance that may be relied upon in assessing construction impacts,project operations and cumulative impacts. For construction impacts, the pollutant of greatest concern to the District is PMIo. The SJVAPCD recommends that significance be based on a consideration of the control measures to be implemented during project construction. Compliance with Regulation VIII and implementation of appropriate mitigation measures to control respirable particulate matter emissions are considered by the SJVAPCD to be sufficient to render a project's construction-related impacts less than significant. The SJVAPCD's GAMAQI contains a list of feasible control measures for construction-related PM,o emissions. The SJVAPCD's GAMAQI (2012 Draft) also includes significance criteria for evaluating operational-phase emissions from direct and indirect sources associated with a project. Indirect sources include motor vehicle traffic resulting from the project and do not ` include stationary sources covered under permit with the SJVAPCD. For this analysis, the project would be considered to have a significant effect on the environment if it would exceed the following thresholds: 6. • Cause a net increase in pollutant emissions of reactive organic gases (ROG) or NO,,exceeding 10 tons per year. v • Cause a net increase in pollutant emissions of PM,o or PM2.5 exceeding 15 tons per year. • Cause a net increase in pollutant emissions of SOX exceeding 27 tons per year. bw • Cause a net increase in pollutant emissions of CO exceeding 100 tons per year. L