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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2613-100 001 BORING NO BSR/VW3 <br /> PROJECT NAME Transinission Shop, 515 West Charter Way, Stockton, CA PAGE 2 OF 2 <br />' BY C Avila DATE 9/26/96 SURFACE ELEV _9 5 ft <br />' RECOVERY PID PENETRA- to LITHO- WELL <br /> TION k _j GRAPHIC DESCRIPTION DETAIL <br /> WoL ¢ COLUMN <br /> (ft/ft) (ppm) (blws/ft) � <br /> 1 5/1 5 230 SELT some clay(ML), continued <br /> @20' hard, moderate hydrocarbon odor <br /> 52 <br /> SILTY CLAY (CL), olive gray, medium plasticity <br />' 25 fines, hard, dry, strong hydrocarbon odor <br /> 1 511 5 956 <br />' 47 <br /> SILT some clay, olive gray, non plastic, very stiff, <br /> wet, strong hydrocarbon odor <br />' 1 5/1 5 NM 30 <br /> SZ <br /> 20 <br />' 9/26/96 <br />' SILTY SAND (SM), fine to coarse grained sand, <br /> dense, wet, strong hydrocarbon odor <br />' 15/15 NM 35 <br /> 18 <br />' SAND (SW), fine to coarse grained sand <br /> 1 <br /> 40 BORING TERMINATED AT 40 0 FEET <br /> REMARKS <br /> Boring drilled using 9-inch diameaer continuous-flight,hollow-stem auger dnlhng equipment and sampled with a <br />' modified CaUornia split-spoon sampler Boring converted to a 2-inch diameter duel-completion vapor extraction well <br /> EOONISSee Well Details sheet for well construction information <br /> E ON <br />