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Problem Assessment Report <br /> January 29, 1992 <br /> ii Page -4- <br /> Silt. From the. 33--foot depth down to _Wfeet, light brown, sandy <br /> silt was encountered. No petroleum odorlbr staining- were noted <br /> in the drill cuttings or soilsamples collected from SBI. <br /> Soil boring 2 (SB2) was drilled to the capillary fringe, at <br /> a total depth of 50 feet. Again, brown t1b reddish brown, fine <br /> sandy, clayey, silt was encountered fromithe -ground surface down <br /> to approximately 33 feet which graded intoll a sandy silt at <br /> approximately 35 feet. At approximately ; 0 feet, brown, fine to <br /> coarse sand was encountered. From the 45-foot depth down to 50 <br /> feet, olive grey, sandy, clayey silt and very moist, sandy clay <br /> JV, <br /> were encountered. No petroleum odor or staining were noted in <br /> the drill cuttings or soil samples ' colle' c-'t' ed from SB2 . . <br /> T <br /> 3 .2 Soil Samples <br /> A total of six soil samples (three s ples per boring) "were <br /> collected for laboratory analyses. In SBI, laboratory samples <br /> were- collected at 15-, 25-, -and 40-foot depths and labeled 157A- <br /> SB1-15, 157A-SB1-25, and 157A-SB1-40, res"Pectively. Laboratory <br /> samples in SB2 were collected at 15-, 35-;..:and 50-foot depths and <br /> labeled 157A-SB2-15,. 157A-SB2-35, and 157A-SB2-50, respectively. <br /> The soil samples were sealed at both ends!4ith aluminum foil, <br /> capped, wrapped with duct tape, labeled, <br /> ,nd placed in a cooler <br /> chilled with Blue Ice for delivery under chain-of-custody <br /> procedures to GeoAnalytical Laboratories, Inc. , in Modesto, <br /> California. The samples were analyzed for total petroleum <br /> hydrocarbons gasoline (TPH-G) by Methodl, 5030/LUFT and for <br /> lit <br /> 4 <br /> CONDOR <br />