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j Boring Log <br /> Canonz-e PROJECT No 91-634--45 <br /> BORING No W-7 <br /> LOGGED BY GMM <br /> I� <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA.CA _ <br /> BORING LOCATION NORTHWEST OF FORMER PUMP ISLANDS SURFACE ELEV 27 34 FEET <br /> DRILLER JOEL STAPLETON SPECTRUM EXPLORATION DATE STARTED 10-7-92 DATE FINISHED 10-7-92 <br /> r _ � <br /> SAMPLE BLOW REC Q WC O Ir z SOIL DESCRIPTION 4 <br /> z COUNT z u w <br /> � a o LU <br /> No TYPE INTERVAL 0" 6' 12" (in) J W (tsf) Q AND REMARKSCL <br /> o FROM TO 6 12' E8' <br /> Notes <br /> 45 1 Boring was drilled with a <br /> truck-mnunted CME 550 drill rig <br /> equipped with an 8-inch OD <br /> hallow-stem auger <br /> 50 2 Upon completion, baring was <br /> converted to a 2-inch diameter <br /> monitoring well (see well detail W-7) <br /> 3 Sampler Type <br /> 55 California Sampler (CS) <br /> 0 D 2 5 inches <br /> I D 2 0 inches <br /> Standard Penetrometer Sampler (SPT) <br /> 0 0 2 0 inches <br /> RO I D 1 375 inches <br /> 4 Ground water was encountered at <br /> approximately 18 5 feet during drilling <br />' <br /> 65 <br /> 70 <br /> 75 <br /> 80 <br /> Page 2 of 2 <br />