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Boring Log <br /> #�1 Canonte PROJECT No q1-634-45 <br /> BORING No W-L <br /> „ <br /> LOGGED BY GMM <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA CA <br /> 14� 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 U3 v <br /> = COUNT REC � a a WC Du w 50IL DESCRIPTION a <br /> N <br /> ( d <br /> If w No TYPE INTERVAL 0' 6' 12' (in) U W (tsf) Q AND REMARKS <br /> o FROM TO 6' 12' 18 Ln <br /> 0 0 33 ASPHALT <br /> Opp Loose, medium brown, SILTY FINE <br /> 0 0 SAND, slightly moist slight hydrocarbon <br /> o 0odor <br /> fill5 1 C5 4 5 6 0 4 12 10 1G 0 o <br /> SM <br /> , <br /> 0 U _ <br /> 4 <br /> ((J(Jrf 0 0 <br /> O _O O <br /> O <br /> fi <br /> O O <br /> O <br /> 10 2 CS too 115 6 10 It 16 v 10 <br /> o Lnnse salt and pepper FINE TO <br /> °�," MEDIUM SAND trace of coarse sand <br /> SW o0o Slightly moist slight hydrocarbon odor _ <br /> 3 C5 12 5 140 7 11 12 16 0 U (note contact depth is approximate) <br /> 4 CS 140 1[55 10 7 4 1b 000 _ <br /> 14 5 <br /> � <br /> 15-- <br /> 5 CL 30 }55 Medium stiff, medium brown with <br /> orange brown and gray mottling, SILTY <br /> l'7 CLAY, trace of tine sand, slightly <br /> moist <br /> j - <br /> Bottom of Boring at 15 5 Feet <br /> 20 <br /> N+rtes <br /> I Baring was drilled with a <br /> I� truck-mnunted CME 550 drill rig <br /> equipped with a IU-inch OD hollow-stem <br /> 25 auger <br /> Upnn completion huring was <br /> r_nnveited to d 4-inch diameter vapor <br /> extraction well (see well detail W--2) <br /> 30 <br /> t i Sampler Type <br /> California Sampler (CS) <br /> 0 D 2 5 inches <br /> I ❑ 2 0 inches <br /> r <br /> 3� Standard Penetrometer Sampler (SPT) <br /> 0 D 2 0 inches <br /> I D 1 379 inches <br /> 1 <br />( 40 <br /> Page 1 of I <br />