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Y Boring Log <br /> Canoftie PROJECT No )1-634-45 <br /> I <br /> BORING Nn W-1 <br /> LOGGED BY CMM <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA CA <br /> BORING LOCATION WEST SIDE OF FORMER TANK BED SURFACE ELEV 28 12 FEET <br /> DRILLER JOEL STAPLETON, SPECTRUM EXPLORATION DATE STARTED 10-6-92 DATE FINISHED 10-6-92 <br /> w SAMPLE BLOW Ln U <br /> COUNT REC J = WC Qu w SOIL DESCRIPTION o <br /> Z U - d N <br /> LeJ <br /> I Q No TYPE INTERVAL 0' 6' 12' (in) U J {%) {tst) J o AND REMARKS 0. <br /> FROM TD6' 12 18' Ln LD <br /> i <br /> 3 ASPHALT <br />' • Loose medium brown FINE SAND <br /> trace to some silt, trace roots, slightly <br /> moist <br /> r <br />' S I CS 45 60 3 4 5 14 <br /> { SP <br /> 2 CS 60 75 3 3 3 12 r '"light hydrocarbon odor at 6 5 it <br /> V 19 - <br /> • <br /> 10 3 CS 100 115 3 7 8 14 � < 105 — <br /> Loose, salt and pepper, FINE TO <br /> 4 CS 115 13 0 7 11 16 16 MEDIUM SAND, trace of coarse sand, <br /> 0 <br /> o v slightly moist, slight hydrocarbon odor <br /> 5 C5 130 145 7 14 15 18 ° <br /> 15 6 CS 145 155 7 16 12 ^° 35 1525 <br /> 155 Medium Stitt, medium bi own with <br /> orange brown and gray mottling, SILTY <br />' CLAY trace of fine sand moist <br /> Bottom of Boring at 15 5 Feet <br /> 20 <br />' Nr)teS <br /> I Boring was drilled with a <br />' 1 truck-mounted CME 550 drill rig <br /> erauipped with a 10-inch OD hollow-stem <br /> 25 auger <br /> 2 Upon r_ompletrun boring was <br /> ciinverted to o 4-inr_h diameter vapor <br /> extraction well (See wets detail W-9 <br /> 3U <br /> 3 Sampler Type <br /> Cdlifor nia Sdmpler (CS) <br /> t <br /> OD 25 inches <br /> I D 2 0 inches <br /> 35 `)tdnddrd Penehometei Sdmpler 15PT) <br /> 0 D () Or hPS <br /> II D 1 175 int.hrs <br /> 40— <br /> Pagel <br /> 0PageI of 1 <br /> I <br />