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Less Than Significant After No River Reduced Depth Alternate Quarry Potentially Significant Impacts Suggested Mitigation Measures Mitigation? No Project Crossing of Excavation Site Transoortation No potentially significant impacts were The applicant shall negotiate a Traffic Impact Yes No Impact Similar Impact Similar Impact Similar Impact identified. Minor cumulative impacts to local Mitigation Fee with the Department of Public traffic and roads can be expected from the Works to offset that portion of traffic impact project, mitigation cost created by the project. Project trucks shall comply with all applicable local,state,and federal load limitation requirements. Air Ouality Fugitive dust emissions would be generated by Water or other dust suppressants shall be applied Yes No Impact Similar Impact Similar Impact Similar Impact aggregate extraction and transportation of raw to all working surfaces and on-site service roads, aggregate over unpaved haul roads to the at least twice per day,and in a large enough processing facility. quantity so that the surface of the soil is moist. Proper records shall be kept on watering operations and made available for inspection. Equipment travel shall be restricted to dust controlled routes and speeds shall be restricted to 15 mph or less for on-site vehicles unless a higher speed limit is approved in writing from the San Joaquin County Air Pollution Control District. Air pollutants would be generated by emissions Although the Proposed Regulation VIII has not Yes No Impact Similar Impact Reduced Impact Similar Impact from quarry excavation and transportation been approved yet by the San Joaquin County equipment. APCD,once adopted, the applicant shall conform to the requirements specified within it to assure that appropriate steps have been taken to control dust. The proposed requirements include demonstrating at least an overall average 75 percent reduction from uncontrolled PM-10 emissions,preparing a dust control plan to be approved by the APCD, performing surface surveys for moisture analysis,and performing visible emission tests or evaluations. The applicant shall maintain proper records of dust control operations and make records available for inspection. Low-sulfur fuel shall be used,and the equipment shall have routine maintenance and tuning performed biweekly.