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00-3737 <br /> Table 1: SGS Results (total Ng) <br /> SGS Point cDCE OCE TCE PCE <br /> 327565 BDL BDL BDL 0.93 <br /> 327566 BDL BDL BDL 0.17 <br /> 327567 BDL BDL BDL 0.05 <br /> 327568 BDL BDL BDL 0.26 <br /> 327569 BDL BDL BDL 6.66 <br /> 327570 BDL BDL BDL 15.55 <br /> 327571 BDL BDL BDL 6.07 <br /> 327572 BDL BDL BDL 0.51 <br /> 327573 BDL BDL BDL BDL <br /> 327574 BDL BDL BDL BDL <br /> 327578 BDL BDL BDL BDL <br /> 327579 BDL BDL BDL 0.72 <br /> 327580 6.34 0.29 46.01 75.23 <br /> 327581 (Trip Blank) BDL BDL BDL BDL <br /> BDL =Below Detection Limit;cDCE=cis-1,2-Dichloroethene;tDCE=trans-1,2-Dichloroethene; <br /> TCE=trichloroethene;PCE=tetrachloroethene <br /> 3.0 Physical Setting Analysis <br /> 3. 1 Topography <br /> The Site is at an elevation of 0-5 feet above the National Geodetic Vertical Datum of <br /> 1929 (NGVD) according to the United States Geological Survey (USGS) Lodi South, <br /> Calif. quadrangle (see Appendix A, Figure 4). However, this map pre-dates development <br /> of the Site and surrounding area, and the existing Site elevation is likely between 5-10 <br /> feet above NGVD. Site topography is flat. <br /> Land near the Site is also flat, interspersed with linear drainage channels (sloughs). The <br /> low-lying inland delta formed by the confluence of the Sacramento, San Joaquin, and <br /> Calaveras Rivers dominates regional topography. <br /> 3.2 Geology <br /> 3.2.1 Bedrock <br /> According to the Geologic Map of the United States, Quaternary sedimentary <br /> rocks underlie the Site. This formation consists of recent and Pleistocene age <br /> sedimentary rocks. Paragon did not observe any bedrock outcrops at or in the <br /> immediate vicinity of the Site. We advanced borings to a maximum depth of 16.5 <br /> feet below grade without encountering bedrock or other refusal. <br /> 3422 West Hammer Lane,Stockton, California <br /> —5— <br />