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5.0 SITE SURVEY.... <br /> On November 07, 2004, M.G. Nelson PhD from Environmental Safety Services (ESS) <br /> conducted a Phase I Environmental Assessment of the property identified as 3832-3838 <br /> Plymouth Road(APN's: 111-020-03 & -04)in Stockton, California. <br /> Photographs & aerial photograph of the site are contained in the Appendix. <br /> 5.1 Hazardous Substances in Connection with Identified Uses <br /> _ • Asbestos-containing materials (ACM) <br /> Small amounts of ACM may be contained in the roofing materials of the <br /> buildings due to the age of construction. A asbestos survey may be required <br /> before demolition of the buildings. <br /> • Urea formaldehyde foam insulation <br /> None noted. <br /> • Facility storage tanks <br /> None noted. <br /> • Radon gas <br /> A radon survey was not conducted at the Site. Radon occurs naturally and <br /> randomly in geographic settings. The California Department 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 <br /> is in the San Joaquin County and according to this survey Radon <br /> concentrations detected averaged less than 2.2 pico Curies per liter. This <br /> compares favorably to the Environmental Protection Agency (EPA) safety <br /> standard for radon gas in residences of 4.0 pito 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 /> • Transformers or other electrical equipment that uses dielectric fluid <br /> None noted. <br /> 5.2 Hazardous Substance Containers and Unidentified Substance Containers <br /> • The site was found to be neat and clean with no evidence of containers or <br /> spills. <br /> 5.3 Indications of PCB's <br /> • As noted in 5.1 above. <br /> _ 7 <br />