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<br /> <br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 170 <br />3.13 Noise <br />ENVIRONMENTAL ISSUES <br />Potentially <br />Significant <br />Impact <br />Less Than <br />Significant <br />with <br />Mitigation <br />Incorporated <br />Less <br />Than <br />Significant <br />Impact <br />No <br />Impact <br />a) Would the project result in <br />generation of a substantial <br />temporary or permanent <br />increase in ambient noise levels <br />in the vicinity of the project <br />excess of standards established <br />in the local general plan or noise <br />ordinance, or in other applicable <br />local, state, or federal <br />standards? <br /> <br />b) Would the project result in <br />generation of excessive ground <br />borne vibration or ground borne <br />noise levels? <br /> <br />c) For a project located within the <br />vicinity of a private airstrip or an <br />airport land use plan or, where <br />such a plan has not been <br />adopted, within two miles of a <br />public airport or public use <br />airport, would the project expose <br />people residing or working in the <br />project area to excessive noise <br />levels? <br /> <br /> <br />3.13.1 Environmental Setting <br />The Study Area includes portions of Alameda, Contra Costa, Sacramento, San Joaquin, <br />Solano, and Yolo Counties. The following section describes noise sources for each <br />county, compiled from the Delta Plan Amendments Program Environmental Impact <br />Report. (Delta Stewardship Council 2017)