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PUD-65 Environmental Checklist including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? Discussion a,b) During construction potentially hazardous liquid materials such as oil, diesel fuel, gasoline, and hydraulic fluid would be used at the site. If spilled, these substances could pose a risk to the environment and to human health. In the event of a spill, the Livermore-Pleasanton Fire Department is responsible for responding to non-emergency hazardous materials reports. The use, handling, and storage of hazardous materials are highly regulated by both the Federal Occupational Safety and Health Administration (Fed/OSHA) and the California Occupational Safety and Health Administration (Cal/OSHA). The City has in place an Emergency Response Plan to meet the needs should a spills or a hazardous event take place. Routine transport, use and disposal of hazardous materials are already regulated by federal, state and local regulations. This project will require disclosure of any hazardous materials, the amounts anticipated and where those materials will be stored or used. Therefore, this would be a less-than-sia nificant-impact. c) Uses allowed on this site are not associated with substantial use, storage, or transportation of hazardous substances. Therefore, the proposed project would not pose a hazardous emission risk to any existing or proposed schools proximate to this project. Therefore, this would be categorized as no-impact. d) The site is not included on the list of hazardous materials sites compiled pursuant to Government Code 65962.5 (Cortese List). Therefore, this would be categorized as no-impact. e,f) The site is located approximately 4.2 miles from the Livermore Airport and is not likely to result in a safety hazard for future workers or patrons at this site. Therefore, this would be categorized as no-impact. g) The proposed project will not result in interference with an emergency plan or evacuation plan. Therefore, this would be categorized as no-impact. h) Wildlands do not exist within or adjacent to the subject site. Therefore, this would be categorized as no-impact. 8. HYDROLOGY AND WATER QUALITY Environmental Setting The National Pollutant Discharge Elimination System (NPDES) was established in the Clean Water Act to regulate municipal and industrial discharges to surface waters of the U.S. Non- point pollution sources originate and diffuse over a wide area rather than from a definable point. 19