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Rausser Property Page 9 of 14 <br /> Our Project Number: E07121A <br /> August 8, 2007 <br /> DBCP was not detected in the water sample. DBCP is a nematocide and soil fumigant <br /> for vegetables and grapes. It is thought to cause health problems consisting of kidney <br /> damage, liver damage, and cancer. The use of DBCP was discontinued in 1979. The <br /> Environmental Protection Agency (EPA) set the maximum contaminant limit (MCL) at <br /> 0.2 parts per billion (ppb) because the EPA believes that given present technology and <br /> resources, this is the lowest level to which water systems can reasonably be required to <br /> remove this contaminant should it occur in drinking water. <br /> 4.5 Well Water Sample Collection, Handling, and Transportation <br /> The samples were collected in a sterile plastic container and two sterile glass vials. The <br /> samples were then transported on ice and remained under chain of custody to FGL <br /> Environmental, Stockton. <br /> 4.6 Chain of Custody <br /> The Chain of Custody document has been included in the appendix of this report. <br /> 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION <br /> The Site is depicted on the USGS Preliminary Geologic Map of Bellota Quadrangle as <br /> within the Quaternary Riverbank Formation (Middle Member). The Middle Member of <br /> the Quaternary Riverbank Formation is composed of arkosic alluvium that forms the <br /> Mokelumne River terraces and alluvial fan. It is chiefly sand size material and thought <br /> to be the result of glacial outwash (Plate 7). <br /> The surface and near surface soils located at the Site are reported by the San Joaquin <br /> County Soil Survey to be composed of the San Joaquin loam Complex, with 0-2% <br /> slopes (Plate 8) (USDA, 1992). Table 2 presents some selected properties of these soils: <br /> 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02007 Neil O.Anderson&Associates.Inc. <br />