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SANTA ANA REZONE PROJECT <br />INITIAL STUDY/MITIGATED NEGATIVE DECLARATION <br />Environmental Issues <br />2.8 Greenhouse Gas Emissions <br />Would the project: <br />a) Generate greenhouse gas emissions, <br />either directly or indirectly, that may have a <br />significant impact on the environment? <br />b) Conflict with any applicable plan, policy or <br />regulation adopted for the purpose of <br />reducing the emissions of greenhouse <br />gases? <br />Environmental Evaluation <br />Setting <br />Less than <br />Significant <br />Potentially Impact with Less than <br />Significant Mitigation Significant <br />Impact Incorporated Impact No Impact <br />❑ ❑ ❑ ❑ <br />❑ ❑ ❑ ❑ <br />The City of Santa Ana and the project site are located within the SoCAB, which is under the <br />jurisdiction of the SCAQMD. CEQA Guidelines Section 15064.4 gives lead agencies the discretion to <br />assess GHG emissions of projects quantitatively or qualitatively, while also considering several other <br />factors that may be used in the determination of significance of GHG emissions from a project, <br />including the extent to which the project may increase or reduce GHG emissions, whether a project <br />exceeds an applicable significance threshold, and the extent to which the project complies with <br />regulations or requirements adopted to implement a plan for the reduction or mitigation of GHG <br />emissions. However, CEQA Guidelines Section 15064.4 does not establish a threshold of <br />significance. <br />CEQA Guidelines Section 15064.6 provides lead agencies the discretion to establish significance <br />thresholds for their respective jurisdictions, and in establishing those thresholds, a lead agency may <br />appropriately look to thresholds developed by other public agencies or suggested by other experts, if <br />any threshold chosen is supported by substantial evidence. The City of Santa Ana has adopted a <br />Climate Action Plan (CAP); however, the CAP does not contain a numerical significance threshold for <br />assessing impacts related to GHG emissions. The SCAQMD formed a Working Group to provide <br />guidance to local lead agencies on determining significance for GHG emissions in their CEQA <br />documents and was proposing to adopt a tiered approach for evaluating GHG emissions for <br />development projects where SCAQMD is the lead agency. As of the last Working Group meeting held <br />in September 2010, the Working Group identified a "bright -line" screening -level threshold of 3,000 MT <br />FCS 57 <br />Https://adecinnovations.sharepoint.com/sites/PubiicationsSite/Shared Documents/Publications/Client(PN-JN)/D327/03270D47/ISMND/0327D047 Santa Ana Rezone Project ISMND.docx <br />