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Section 4.0— Environmental Setting and Discussion of Impacts <br />HAZARDS AND HAZARDOUS MATERIALS <br />Less Than <br />Potentially Significant Less Than <br />Significant With Significant <br />Impact Mitigation Impact <br />Incorporated <br />No Impact Beneficial Information <br />Impact source(s) <br />Would the project: <br />6) For a project within the vicinity of ❑ ❑ ❑ ® ❑ <br />a private airstrip, would the project <br />result in a safety hazard for people <br />residing or working in the project <br />area? <br />7) Impair implementation of, or ❑ ❑ ® ❑ ❑ <br />physically interfere with, an <br />adopted emergency response plan <br />or emergency evacuation plan? <br />8) Expose people or structures to a ❑ ❑ ❑ ® ❑ <br />significant risk of loss, injury or <br />death involving wildland fires, <br />including where wildlands are <br />adjacent to urbanized areas or <br />where residences are intermixed <br />with wildlands? <br />4.8.3 Hazards and IIazardous Materials Impacts <br />4.8.3.1 On -Site Hazardous Materials Impacts (Checklist Questions I, 2, and 4) <br />Transport, Use, and Disposal of Hazardous Materials <br />1,14,15 <br />Small quantities of cleaning supplies, gasoline, and other potentially toxic substances are currently <br />stored on the project site for use during typical daily maintenance and upkeep operations. If handled <br />and disposed of properly, these small quantities of chemicals would not pose a risk to fixture site <br />users or adjacent land uses. (Less Than Significant Impact) <br />Soil Contamination <br />Four soil samples were taken from the project site. The satrapies were analyzed for gasoline, diesel <br />and oil range petroleum hydrocarbons, organochlorine pesticides, chlorinated herbicides, <br />organophosphorus pesticides, PCBs, VOCs, semi -VOCs, 17 California Assessment Manual (CAM) <br />metals, hexavalent chromium and asbestos. The samples also were analyzed for selected soluble <br />metals. None of the detected compounds exceeded their respective residential environmental <br />screening criteria. Therefore, construction and operation of the proposed improvements would not <br />result in a significant impact to the public or the environment involving the release of hazardous <br />materials into the environment. (Less Than Significant Impact) <br />City of Redwood City 53 Initial Study/Mitigated Negative Declaration <br />Sandpiper Elementary School Facilities Expansion November 2016 <br />