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San Joaquin County Community Environmental Setting,Impacts,and Mitigation Measures Development Department Hazards and Hazardous Materials designed to block soil and groundwater contamination caused by spills of materials commonly used in equipment maintenance, such as oils, fuels, solvents, and paint. _ Furthermore, as part of the Environmental Commitments outlined in Chapter 2, "Project Description,"the operator will implement a Spill Prevention, Control, and Countermeasures Plan. Implementation of this environmental commitment will ensure that potential impacts are reduced to less-than-significant levels and will ensure consistency with the hazards and hazardous materials policies in the San Joaquin County General Plan. Impact HAZ-3: Release of Potentially Hazardous Materials into Surface Water in the Event of Flooding of Project Facilities (Less than Significant) The project area is located in an area with minimal flooding and is outside of the 100-year floodplain(the area with a l%chance of flooding in any given year) (FEMA 2002). The project is designed to retain on-site drainage in the settling ponds (see the"Environmental Commitments-General Commitments"section of Chapter 2 of the EIR), and all runoff at the project site would be contained on-site during the operation and reclamation periods. Given the existing — stormwater drainage design standards already incorporated into the project, the potential for release of potentially hazardous materials into surface water in the event of flooding is considered less than significant. No — mitigation is required. Impact HAZ-4: Emit Hazardous Emissions or Handle Hazardous or Acutely Hazardous Materials, Substances, or Waste within 0.25 Mile of an Existing or Proposed — School (No Impact) The nearest school,New Jerusalem Elementary School, is located approximately — 3 miles north of the site along Koster Road. The proposed Project would not involve hazardous emissions or handling of hazardous or acutely hazardous materials, substances, or waste within 0.25 mile of a school, as no schools are — located near the project site. The proposed project would have no impact. Impact HAZ-5: Located on a Site that is Included on a List of Hazardous Materials Sites Compiled Pursuant to Government Code Section 65962.5 (Less than Significant with Mitigation Incorporated) According to the DTSC Cortese List,the project area does not contain or border any listed hazardous waste sites. Further, the project site does not appear to be DeSilva Gates Quarry Project — Draft Environmental Impact Report 3.1-12 As 05105.05