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JAN-01-1900 01:58 P.07 <br /> • Facility storage tanks(above or below ground) <br /> None noted. Vacant parcels <br /> • Transformers or other electrical equipment that uses dielectric fluid <br /> PG&E has a pole mounted transformer at the east side ofAPN 111-020-29, <br /> Pacific Gas & Electric (PG&E) has replaced all known transformers <br /> containing levels of polychlorinated biphenyls (PCB) in excess of fifty parts <br /> per million(50 ppm) in accordance with federal law. <br /> • Radon gas <br /> A radon survey was not conducted at the Site. Radon occurs naturally and <br /> randomly in geographic settings. The California Deparmient of Health <br /> Services(CDHS)conducted a statewide radon survey during 1990-1991 that <br /> entailed testing for radon in homes in designated geographic areas• The Site is <br /> in San Joaquin County and according to this survey Radon concentrations <br /> detected averaged less than 1.0 pico Curies per liter in Zip 95209. This <br /> compares favorably to the Environmental Protection Agency (EPA) safety <br /> standard for radon gas in residences of 4.0 pico Curies per liter and the United <br /> States National Council on Radiation Protection and Measurements(NCRP) <br /> standard of 8.0 pico Curies per liter. Radon is not considered an issue for the <br /> Site. <br /> 5.2 Hazardous Substance Containers and Unidentified Substance Containers <br /> • None noted. <br /> 5.3 Indjoligns of PCB's <br /> • As noted in 5.1 above. <br /> 5.4 1 'ons of Solid Waste Di sal <br /> • General appearance of the site was neat and clean. <br /> 5.5 Storm'W-aI§L-D-r-a-i-rR--9-e- <br /> Storm water from this site remains on the site or drains into Nina Court. There is no <br /> indication of any hazardous materials having been drained or spilled. <br />