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":l M '�.�- ^:-�jb -„ -rte; .L... {,. S$ �Y'S"•. .k7 '�A $ _ <br /> KEI-P9i-0202.kg91 <br /> February 22, <br /> Page 2 <br /> pipe trenches <br /> addition, the samples from beneath the diesel <br /> alp results eOf <br /> s <br /> were also analyzed for TPF from <br /> diesel. <br /> trenches, indicated non- <br /> collected €romp Pdiesel, with <br /> the soil samples, li as asoline and TPH as d e- Labora- <br /> detectable levels o1nTPfrom 0.0066 ppm to 0.017 ppm.Laboratory <br /> benzene levels ranging 2. <br /> tory results areof Custody documentation amarized in Tables I a ae also attached_ <br /> analyses and Chain <br /> 2, Site Descri tion: <br /> Kn site an Lane and Cherokee Lane in Lodi, <br /> The service station site occupies the northeast corner at the <br /> intersection o and Site Plan are attached. <br /> California. A Location Map <br /> PROPOSED FIELD WORK <br /> _PHASE I - FUEL TANK PIT EXCAVATION SOIL REMEDIATION <br /> the fuel tank pit to the <br /> excavation of In addition, KEI <br /> .1• KEI proposes first 16 feet) , <br /> sample depths (approximately <br /> ability (approxi- <br /> proposes an additional x mum soil xcavatorldepth e be tcap n beneath samp e <br /> point C2 to the to define the vertical extent of the <br /> mately 24 to 27 feet) le will be collected <br /> soil contamination. The undistu.rba khoep The sample will be <br /> from bulk material excavated by sealed with <br /> clean, two-inch diameter brass <br /> placed in caps and tap and stored in a cooled <br /> aluminum foil, plastic , <br /> ice chest for subsequent delivery to a certified laboratory- <br /> to define the lateral extent of con- <br /> 2. KEY further proposes of sample C2 by <br /> collecting tank pit <br /> tamination in the vicinity San ,7oaquin Focal Health Dis- <br /> q <br /> sidewall samples re_ by <br /> trict. The undisturbed samples will again be collected from <br /> bulk material excavated by backhoe as described above. After' <br /> the tank pit walls will be excavated laterally to <br /> samp?in9, with excavated soil stockpiled on-site for <br /> the sample points, <br /> further sampling- zed for <br /> BTX&E (5030/8020) , total lead, <br /> 3, All tank pit bottom and sidewall samples will be analyzed <br /> TPH as gasoline (5030/8015) , uin Local <br /> and LDS (DHS-AB1803) in accordance with San ,7oaq <br /> Health District guidelines• <br /> sampled to <br /> iled on-site ompoosill te sample will <br /> 4. All excavated soil stocposition. One comp fled soil- <br /> ... appropriate disp ands of stockp <br /> - - .. . <br /> _._..... <br /> be collected from -each - consist of four-individual. 9a 2 <br /> Each composite sample will <br /> taken at various locations and deptha as one sample. <br /> samplesosited by the laboratory <br /> feet, and will be camp <br />