Laserfiche WebLink
SANTA ANA REZONE PROJECT <br /> INITIAL STt1DY1MITIGATED NEGATIVE DECLARATION <br /> CO2e annually for all land use types.$1,11 However, the proposed threshold was based on the State's <br /> GHG emissions reduction goal identified in AB 32 for the year 2020, which has been outdated, and <br /> SCAQMD never adopted the threshold. Impacts of climate change are experienced on a global scale <br /> regardless of the location of GHG emission sources; therefore, a numerical significance threshold for <br /> individual development projects is speculative. Throughout the State, air districts are moving from <br /> numerical significance thresholds to qualitative significance thresholds that focus on project features <br /> to reduce GHG emissions or consistency with GHG reduction plans. For example, in the Bay Area Air <br /> Quality Management District's (Bay Area Air District) 2022 CEQA Guidelines, the GHG thresholds of <br /> significance are either whether land use projects include certain project design elements related to <br /> buildings and transportation or whether the project is consistent with a local GHG reduction strategy <br /> that meets the criteria under CEQA Guidelines Section 15183.5(b). This is a major update to Bay <br /> Area Air District's 2017 CEQA Guidelines, where a numerical significance threshold was required. To <br /> reduce GHG emissions impact, it is more effective for development projects to include project <br /> features that directly or indirectly reduce GHG emissions than to rely on a numerical significance <br /> threshold, which highly depends on the type and size of the development. Therefore, the significance <br /> of the proposed project's potential impacts regarding GHG emissions and climate change will be <br /> assessed solely on its consistency with plans and policies adopted for the purposes of reducing GHG <br /> emissions and mitigating the effects of climate change. <br /> Would the project: <br /> a) Generate greenhouse gas emissions, either directly or indirectly,that may have a <br /> significant impact on the environment? <br /> Less than significant impact. The proposed project would generate GHG emissions during <br /> construction and operation (e.g., mobile emissions, emission from the manufacturing and transport of <br /> building materials during construction, and emissions from generation of electricity for operations). <br /> The proposed project's construction and operational emissions are presented below for information <br /> purposes. <br /> Construction GHG Emissions <br /> During project construction, GHGs would be generated by construction activities, such as site <br /> clearing, operation of heavy-duty construction vehicles, materials and debris hauling, paving, and <br /> construction worker vehicle trips.These emissions would be considered short-term in duration. <br /> Construction emissions were estimated using California Emissions Estimator Model (CalEEMod). <br /> Construction assumptions used to estimate GHG emissions are consistent with those used to <br /> 41 South Coast Air Quality Management District(SCAQMD).2008. Board Letter—Interim CEQA GHG Significance <br /> Threshold for Stationary Sources,Rules and Plans.Website:https:flwww.agmd.gov/docsFdefault- <br /> sourcelcegalh and booklgreenhouse-gases-(ghg)-cega-significance-thresholdslghgboardsynops is.pdf.Accessed July 25, <br /> 2025, <br /> 42 South Coast Air Quality Management District(SCAQMD).2010. Minutes for the GHG CEQA Significance Threshold <br /> Stakeholder Working Group#15.Websitehttps://www.agmd.gov/docs/default-source/cega/handbook/greenhouse-gases- <br /> (ghg)-cega-significance-thresholds!year-2008-20091ghg-meeting-151ghg-meeting-l5-minutes.pdf.Accessed July 25, <br /> 2025. <br /> 58 FCS <br /> Ordinance No. hare poin t. /1lie s/Pu blicaff€o ns5i to/sha red Dowmenta/rubrmtinna(CfiendPN-,N)j0327fo337oo47(ISMND/03270 7 Santa Ana He—e Profed€5MNo.doa <br /> Page 70 of 118 <br />