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Boring Lo g <br /> Canovilate PROJECT No ` 434-45 <br /> BORING No <br /> LOGGED <br /> LOGGED BY GMM i <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANT£CA.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 i0-6-92 <br /> SAMPLE BLOW Lj <br /> COUNT REC J = WC Q„ ua SOIL DESCRIPTION 0 <br /> C�o LU <br /> CL No TYPE INTERVAL 0' 6' 12' U M � <br /> 1 w (in} cn {�] {tsf] AND REMARKS ° <br /> 0 FROM TO 6' 12" 18 � <br /> u u 5 ASPHALT <br /> o°o Loose medium brawn SILTY FINE <br /> o°° SAND, slightly moist slight odor <br /> 0 <br /> 0 0 <br /> 0 <br /> �- <br /> I C5 45 60 3 3 4 iq ota <br /> 5 SM 0 0 <br /> 0 <br /> 0 0 - <br /> i1 <br /> O O <br /> O <br /> O V <br /> C' _ <br /> ° u <br /> O - <br /> 'Ll <br /> 10 2 CS 100 115 5 7 6 1G o 0 10 Loose salt and pepper FINE TO <br /> ° <br /> n MEDIUM SAND, ti ace of coarse sand, <br /> SW n o moist, hydrocarbon odor (note _ <br /> 3 CS 115 14 0 5 5 10 Its 0 0 cnntact depth is approximate} <br /> o — <br /> 4 CS 140 155 4 5 7 1A 1425 <br /> 15 CL 3 5 Medium stiff medium brown with <br /> 155 orange brown dnd gray mottling, SILTY <br /> CLAY trace of fine sand moist <br /> Bottom of Boring at 15 5 Feet <br /> I ZO Notes <br /> I Boring wds drilled with a <br /> truck-mounted CME 550 drill rig <br /> equipped with a 10-inch Ota hollow-stem <br /> auger <br /> 25 <br /> 2 Upon completiun, boring was <br /> ciinverted to a 4-inch diameter vapor <br /> extraction well (see well detail W-4] <br /> 30 i Sampler Type <br /> California Sampler (CS) <br /> OD 2 5 inches <br /> 1 D 2 0 inches <br /> Standard Penetrometer Sampler (SPT) <br /> 35 00 20 inches <br /> I ❑ 1 375 inches <br /> 40 <br /> Page 1 of 1 <br />