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City of Pleasanton—Hidden Canyon Residences and Preserve <br />Draft EIR Environmental Impact Analysis <br /> <br /> <br />FirstCarbon Solutions 3-9 <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-00 Env Impact Analysis.docx <br />3.1.2 - Cumulative Impact Format <br />The cumulative impact discussions in Sections 3.1 through 3.16 explain the geographic scope of the <br />area affected by each cumulative effect (e.g., immediate project vicinity, City, planning area, County, <br />watershed, or air basin). The geographic area considered for each cumulative impact depends upon <br />the impact that is being analyzed. For example, in assessing noise impacts, the geographic study area <br />is more local and includes the immediate vicinity of the areas of new development. In assessing air <br />quality impacts, all development within the air basin contributes to regional emissions of criteria <br />pollutants and basin-wide projections of emissions is the best tool for determining cumulative effect. <br />After establishing the relevant geographic scope, this analysis evaluates whether the impacts of the <br />proposed project, together with the impacts of cumulative development, would result in a <br />cumulatively significant impact. This analysis then considers whether incremental contribution to <br />cumulative impacts associated with the implementation of the proposed project would be <br />significant. Both conditions must apply for a project’s cumulative effects to rise to the level of <br />significance. Under CEQA Guidelines Section 15130(a)(2), where a project contributes to a <br />cumulative impact but the combined cumulative impact with the project’s incremental effect is not <br />significant, the EIR must only “briefly indicate” why the cumulative impact is not significant. Similarly, <br />if the proposed project has no impact associated with respect to a particular CEQA threshold, the <br />project would not contribute to any potential cumulative impact and a detailed discussion is not <br />required. <br />The cumulative impacts discussions in Section 3.1 through 3.16 are located at the end of each <br />section, after the project-specific analysis.