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<br />78 <br />ATTACHMENT 4 Page 35 <br /> <br />1. Impact on Cultural Resources <br /> <br />Potential Impact 5-b: There is the possibility that a unique <br />archaeological resource may be encountered during construction activities. <br />(IS/MND Impact 5-b, p. 3-32). <br /> <br />Mitigation Measure CR-1: Implement measures to protect previously <br />unidentified cultural resources during construction. In order to minimize or avoid <br />impacts on buried cultural resources, including human remains, should any be <br />present on the project site, the District has committed to the following measures. <br />Stop work if buried cultural resources are discovered, and comply with state laws <br />relating to human remains. (MMRP Mitigation CR-1). <br /> <br />Finding: Implementation of Mitigation Measure CR-1 to protect unknown <br />cultural resources will reduce this impact to a less-than significant level. <br /> <br />Potential Impact 5-d: There is the possibility that unmarked burials may <br />be unearthed during excavation and ground disturbing activities. <br /> <br />Finding: This potential impact is reduced to a less-than significant level <br />with implementation of Mitigation Measure CR-1. <br /> <br />D. HAZARDS AND HAZARDOUS MATERIALS <br /> <br />1. Impact on Hazards and Hazardous Materials <br /> <br />Potential Impact 7 -a: Hazardous materials present at the project site <br />would likely include fuel, oils, grease, lubricants, and other petroleum-based <br />products contained in construction vehicles, as well as materials used during the <br />construction process, such as solvents, adhesives, and paints. Even though <br />these construction-related hazardous materials will be transported, stored, and <br />handled in a manner consistent with relevant regulations and guidelines, there is <br />still potential for an accidental spill or inadvertent release of hazardous materials. <br />Any potential impacts that could occur as a result of the release of the above- <br />mentioned materials through project construction would be further minimized and <br />contained through implementation of proper transportation, handling, and storage <br />procedures, utilization of appropriate spill containment and countermeasures, <br />and implementation of BMPs, which are included as part of the proposed project. <br />(IS/MND Impact 7 -a, pp. 3-39, 3-40). <br /> <br />Mitigation Measure H-1: Prepare and implement a spill prevention, <br />control, and countermeasure program for construction activities. The Spill <br />Prevention, Control, and Countermeasure Program (SPCCP) will be completed <br />before any construction or demolition activities begin. The District will routinely <br />inspect the construction area to verify that the measures specified in the SPCCP <br />are properly implemented and maintained. The District will notify its contractors <br />immediately if there is a noncompliance issue and will require compliance. <br />(MMRP Mitigation H-1). <br /> <br />Mitigation Measure WQ-1: Implement Erosion-Control Measures to <br />Protect Water Quality during Construction. To minimize mobilization of sediment <br />