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Boring Log <br /> 1 I �tlonle PRO,JECI' No X31-634-45 <br /> BORING No W-2 <br /> LOGGED BY GMM <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA CA <br /> BORING LOCATION WEST OF FORMER SOUTHERN PUMP ISLAND SURFACE ELEV 27 62 FEET <br /> DRILLER JOEL STAPLETON, SPECTRUM EXPLORATION DATE STARTED 10-6-92 DATE FINISHED 10-6-92 <br /> SAMPLE BLOW <br /> { s COUNT REC a o WC Qu a SOIL DESCRIPTION w <br /> No TYPE INTERVAL 0" 6' 12" (in) L (%) (tsf) J AND REMARKS <br /> Q FROM TO 6' 12 1 18 <br /> 0 0 33 ASPHALT <br /> o <br /> f Q a Loose medium brawn, SILTY FINE <br /> ooa SAND, slightly moist, slight hydrocarbon <br /> ° <br /> 0 0 odor <br /> � o <br /> I CS 45 60 4 12 10 16 00 0 <br /> SM <br /> U U _ <br /> U <br /> — <br />' O <br /> U O <br /> r <br /> 00 O <br /> O _ <br /> t{1 2 CS 100 115 6 10 11 16 o u t0 — <br /> 0 Loose salt and pepper FINE TO _ <br /> MEDIUM SAND, trace of coarse sand <br /> 5W o00 slightly moist, slight hydrocarbon odor _ <br /> 3 CS 125 140 7 It 12 16 , u (nate contact depth is approximate) <br /> 0 - <br /> 4 CS 140 155 10 7 4 16 <br /> T4 5 _ <br /> 15 CL � 30 155 Medium stiff, medium brown with <br /> nrcinge brown and gray mottling, SILTY <br /> CLAY, trace of fine sand slightly <br /> moist <br /> I- Bottom of Boring at 15 5 Feet <br /> 20 <br /> } Notes <br /> I Boring was drilled with a <br /> truck-mounted CME 550 drill rig <br /> equipped with a 1U-inch OD hollow-stem <br /> 25 auger <br /> Upnn cnmpletinn, horing was <br /> �! r_nnveited to d 4-inch diameter vapor <br /> extraction well (see well detail W-2) <br /> 30 <br />�F i Sampler Type <br /> California Sampler (CS) <br /> 0 D 2 5 inches <br /> I10 2 0 inches <br /> 3' Stdnddrd Penetrometer Sampler (SPT) <br /> t 0 D 2 O inches <br /> J I D 1 37ri inches <br /> 40 <br /> Page I of 1 <br />