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TABLE 3-4 PROJECT GHG EMISSIONS GHG Emission Type Unmitigated Emissions metric tons CO2e Mitigated Emissions metric tons CO2e Construction' 305.52 305.52 O erational2 2,562.00 2,379.43 ' Total GHG emissions for construction period. 2 Annual emissions. Source: California Emissions Estimator Model v. 2020.4.0. SJVAPCD has not established quantitative significance thresholds for GHG emissions. However, nearby air districts such as the Bay Area Air Quality Management District and the Sacramento Metropolitan Air Quality Management District have established a quantitative threshold of 1,100 metric tons CO2e to determine significance of project GHG emissions for CEQA purposes (BAAQMD 2017, SMAQMD 2021). This threshold applies to both construction and operational emissions. CEQA Guidelines Section 15064.7 allows for the use of significance thresholds established by other agencies. The GHG construction emissions of the proposed project are below the threshold of 1,100 metric tons CO2e. Based on this threshold, project GHG construction emissions are less than significant. GHG construction emissions would be limited due to the length of time of construction activity, and these emissions would cease once work is completed. However, project GHG operational emissions would exceed this threshold, so further analysis is required. As the County has no GHG reduction plan, analysis of project impacts will be based on the 2017 Scoping Plan, especially since County General Plan Policy PHS -6.2 is consistent with the targets the Scoping Plan intends to achieve. Most of the measures the 2017 Scoping Plan proposes to achieve the 2030 target are State measures. Based on estimates in the 2017 Scoping Plan, State actions would account for 89.8% of GHG reductions needed by 2030, with local actions accounting for approximately 9.3% of reductions. Applying this ratio to the percentage reduction for 2030, approximately 6.0% of the reduction from 2030 business -as -usual levels would be achieved by local measures. Therefore, a project that can show GHG reductions greater than 6.0% can be said to be consistent with the reduction goals of SB 32. With application of the project features listed above, project GHG operational emissions would be approximately 16% less than business -as -usual levels, which would exceed the 6.0% local reduction share. Therefore, the project would be consistent with the reduction goals of SB 32 and County General Plan Policy PHS -6.2. The State of California has comprehensive GHG regulatory requirements, with laws and regulations requiring reductions that affect project emissions. The project is subject to several State regulations applicable to project design, construction, and operation that would reduce GHG emissions, increase energy efficiency, and ensure compliance with the Climate Change Scoping Plan (ARB 2017). Legal mandates to reduce GHG emissions from vehicles, for example, would reduce project -related vehicular emissions. Pock Lane Public Review Draft IS/MND 3-37 May 2022