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Boring Log <br /> Canowe PROJECT No JI1-634-45 <br /> BORING Nn w- <br /> LOGGED BY GMM <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 /> En <br /> SAMPLE BLOW v' v <br /> = COUNT REC -.1 _ WC Qu r SOIL DESCRIPTION oN <br /> (n w_ <br /> IL No TYPE INTERVAL 0' 6' 12' (in) , W Q5f) o AND REMARKS <br /> LD <br /> o FROM TO 6 12' 18' 1 `n <br /> a <br /> 3 ASPHALT <br /> 4 <br /> Loose medium brown FINE SAND <br /> • trace to some silt trace roots, slightly <br /> • moist <br /> l • <br /> 1 G5 45 60 3 4 5 14 � <br /> 5 • <br /> SP a — <br /> 2 CS 60 75 i 3 3 12 • 19 alight hydrocarhon odor at 6 5 it <br /> • <br /> 3 CS 100 115 3 7 8 14 • 105 = <br /> Loose, salt and pepper FINE TO <br /> n <br /> 4 GS n 5 130 7 11 16 16 0 ° MEDIUM SAND, ti ace of coarse sand <br /> opo slightly moist slight hydrocarbon odor = <br /> 5 CS 13 0 14 5 7 14 15 18 SW ° <br /> o a = <br /> 15- 6 C5 145 155 7 IR 12 0°C' 35 1525 <br /> C <br /> 155 Medium stiff medium hr awn with <br /> orange brown and dray mottling, SILTY <br /> CLAY trace of Erne sand moist <br /> Bottom of Baring at 15 5 Feet <br /> � 20 Note-, <br /> I Boring was drilled with a <br /> truck-mounted CME 550 drill rig <br /> equipped with a 10-inch OD hollow-stem <br /> 25 auger <br /> 2 Upon r_ompletrc,n boring was <br /> runverted to a 4-inch diameter vapor <br /> extractnin well (see well detail W-0 <br /> 30— <br /> 'i Sampler Type <br /> California Sampler (CS) <br /> 0 D 2 5 inches, <br /> I ❑ � 0 inches <br /> 35 (Standard Penetri,meter ;ampler (SPT) <br /> 0 ❑ 2 () inC he5 <br /> I ❑ 1 ;75 inr.hr5 <br /> 40 <br /> Page I of I <br />