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WEISS ASSOCIATES Consulting in Geology .1; Geohydrology <br /> ..».......................... ............:...........:.........,..:..:.....:.........,.......:...................:.....,...:...........,..,.....:SY;t;.............G:'J.:K "iR:;.w...».v.:..,.w.»::..,,..:..........v.....::S°`:G:ii::'......:��/.'.. <br /> 2054 University Ave., Suite 301/Berkeley, CA 94704 415-644-3281 <br /> 23 June 1986 <br /> Mr. Richard Zimmerman <br /> Terminal Manager <br /> ST Services <br /> 2941 Navy Drive <br /> Stockton, CA 9-3.2$3' <br /> 9S?O� <br /> Re: ST Services Soil Sampling <br /> Job # 86-204 <br /> Dear Mr. Zimmerman, <br /> In response to your May 20 request, this letter briefly describes <br /> analytical results from soil and ground water sampling and discusses <br /> recommendations for further investigation at the ST Services Terminal, <br /> 69,h <br /> Navy Drive, Stockton, California. <br /> Two soil samples were collected about three feet beneath the waste oil <br /> tank excavation and one water sample was retrieved from ground water migrating <br /> into the excavation. Soil sample Sl, from below the fill pipe end of the <br /> tank, and the ground water sample were analyzed for total fuel hydrocarbons <br /> (THCs) , benzene, toluene and xylenes (BTX) , polychlorinated biphenyls (PCBs) <br /> and ethylene dibromide (EDB) . Soil sample S2, from below the middle of the <br /> tank, was held at the lab and not analyzed. THCs and BTX were analyzed by <br /> ASTM Method D3328, PCBs were analyzed by EPA Method 608, and EDB was analyzed <br /> according to California Recommended Methods Document AB 1803, page 301. <br /> Analytic results are presented in Table 1. <br /> i <br /> A Division of AguaTierra Associates Incorporated l� <br />