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OCRING NO SB-1 <br /> CONDOR EARTH TECHNOLOGIES - Geo I og t ca I Log PAGE I OF 2 <br /> PROJECT NO 1707 DATE 5/9/98 <br /> PROJECT CANEPA S CAR WASH, PACIFIC AVE TOTAL CEPTH 70 <br /> I LOCATION STOCKTON, CA HOLE DIAMETER B" <br /> DRILLING CONTRACTOR SPECTRUM HAMMER LIGHT AND [ALL 110lb/30" <br /> DRILL EOUIP CME 85 SURFACE CONDITIONS CONCRETE <br /> DRILLINC METHOD CONTINOUS SAMPLING/AUGER DEPTH TO STATIC WATLR 90 <br /> LOGGED B� R D MEAD[ <br /> N VOLAIILE <br /> QEPH FIELD DESCRIPTIO! 5°'1aLF a W DRGANIc REh1ARKS <br /> (F31 U` o w°o u VAPORS <br /> intrvl /Ip m ° o f x a ippml <br /> ]0mx. 25 stt <br /> CONCRETE H Drill Mode <br /> A DV=Drive <br /> PEA GRAVEL N SP=Simulprche <br /> 2D <br /> CLAY black Hand dug to -S no somple <br /> 3 100% highly plastic Fines moist firm <br /> 9 <br /> ❑s� <br /> 5 no odor PID S ppm <br />' S TRANSITON ZONE DV <br /> P <br /> B <br />' to CL SILTY CLAY medium brown SBI-10 no odor PI❑ 10 ppm <br /> 100% moderate to highly plastic fines <br /> 11 Soft to crumbly moist <br /> 12 <br /> 13 <br /> 19 SILTY CLAf med reddish brown <br /> 15 CL IOD% moderate to highly plastic Fines SBI-15 no odor Simulprebe gos <br /> soft to crumbly in G zones moist SP 5 min purge PID 0 ppm <br /> 16 GAS Soil sample PID 5 ppm <br /> DV 4 <br /> 17 <br />' 18 root casts CoCO3 veins begin at 18 <br /> 19 <br /> Z� ML CLAYEY SILT med reddish brown SOI-20 no ❑da< PID 10 ppm <br />' 100% moderate plastic Fines frioble low <br /> 21 moisture green gray / reddish brown <br /> m mottled Fine root casts trace CQC03 veins color change at Z2 <br /> LL <br />' 29 INTERFACE <br /> 25 SM SILTY SANG bluish gray SBi-25 moderate aid gas odor <br /> 10% lou to moderate plastic Fines PID 90 ppm <br />. Z6 60% veru Fine sand soft low moisture <br /> color may he from product <br /> 27 <br /> Jana (.UUP aeu u I k 1 uGp iii <br /> 2a <br /> Color Change at "29 <br />' 29 modeiote odor PID 230 ppm <br /> 30 S�1 SILTY SAND med reddish brown SB1-3O Trace 3y4 minus grovel <br /> 20% lou to moderate plastic Fines SP in shoe <br /> 31 80% F i ne sand trace COCCI cementing GHS S i mu i pr ube yun 5 ❑Ili l F,-ge <br /> soft to Friable depends or cementingFID 1050 ppm <br /> 32 J it <br /> DV j Bogged soil PID 100 ppm <br /> Transition from 30 to 35 in 1 zones <br /> 33 <br /> 39 <br />' L35 CLAYEY SILT l hr brawn see e 2 SBl-35 moderute odor, PID 159 m <br />