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Boring Log <br /> PROJECT No `ll-h�4-45 <br /> Canotiate <br /> BORING No w-4 <br /> LOGGER BY GMM <br /> PROJECT NAME _TIME OIL CO -SITE ASSESSMENT MANTECA,CA <br /> BORING LOCATION WEST OF FORMER NORTHERN PUMP ISLAND SURFACE ELEV 27 52 FEET <br /> DRILLER JOEL STAPLETON, SPECTRUM EXPLORATION _ DATE STARTED 10-6-92 DATE FINISHED 10-6-92 <br /> _ U) <br /> SAMPLE BLOW 9 u <br /> COUNT REC < z C7 WC Ou w � SOIL DESCRIPTION <br /> = U or 0 r a W_ <br /> wNo TYPE INTERVAL 0' 6' 12' fin) U Ir -' W (t5f) J AND REMARKS °- <br /> a FROM TO 6' 12' 1t3' `n <br /> a a 5 ASPHALT <br /> a0Loose, medium brown, SILTY FINE <br /> °° SAND slightly moist slight odor <br /> 0 <br /> 0 0 <br /> i o <br /> } 1 CS 45 60 3 3 4 14 ` o` o <br /> �,M o 0 <br /> 0 0 <br /> a h — <br /> 0 <br /> tG <br /> 0 <br /> O v I <br /> o — <br /> 10 2 C5 100 115 5 7 6 Ib a a 10 Loose salt and pepper FINE TO —_ <br /> 0 0 U MEDIUM SAND, tidce of coarse sand, <br /> SWOa moist hydrocarbon odor (note <br /> 3 CS 125 140 5 5 10 16 000 contact depth is approximate) — <br /> o —_ <br /> 4 CS 140 155 4 5 7 IR " 14 25 = <br /> 15 i"L 3 5 Medium stiff, medium brown with <br /> 01 155 orange brown dnd gray mottling SILTY <br /> CLAY trace of fine sand moist <br />' Bottom of Boring at 15 5 Feet <br /> Notes <br /> 20 <br />' I BUnng wds drilled with a <br /> truck-mounted CME 550 drill rig <br /> equipped with a lO-inch OD hollow-stem <br /> 1 4 auger <br /> 25 <br /> 2 Upon ci)mpletiun boring was <br /> r converted to d 4-inch diameter vapor <br /> exkractiun well (see well detail W-4) <br /> 30 1 Sdmplei Type <br /> California Sampler (CS) <br /> OD 25 inches <br /> I ❑ 2 0 inches <br /> Stdndard Penetrometer Sampler (SPT) <br /> 35 0 ❑ 2 0 inches <br /> 1 0 1 375 rnrhes <br /> 0 40 <br /> lb.j <br /> Page 1 of 1 <br /> i.� <br />