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' ENVIRONMENTAL ASSESSORS, INC. <br /> S1317BORING LOG PAGE 1— —OF —2— <br /> — <br /> PROJECT NO, PROJECT NAME CALTRANS SHOP 10, STOCKTON SITE LOCATION STOCKTON, CA <br /> 0071-05 01-0001 <br /> LOGGED BY DRILL CO DRILLER R O'MALIA DRILL RIG Mobile Drill BORING NO SB 17 <br /> Norman Sacro VALLEY WELL DRILLING B-61 <br />' DATE DRILLED BORING ELEV REF/DATUM BORING DIAMETER DRIVE WEIGHT <br /> 10-15 93 $" 140 lbs/30" <br /> DEPTH SAMPLE BLOWS/ TIME LITHO- This boring log applies only at the specific boring location and at the FID/PID <br /> (FT) LOCA- 6" LOGY time the boring was drilled The descriptions on this log are not VAPOR <br /> TION (12 U S C S warranted to be representative of subsurface conditions at other READ <br /> sampler) locations or times ING <br />' DESCRIPTION (PPM) <br /> LITHOLOGY, COLOR, GRAIN SIZE, SORTING/GRADING DENSITY <br /> HARDNESS MOISTURE <br /> 0 <br /> 1230 2 3' of asphalt gravel 0 <br />' 15 511 1243 CH Dark brown stiff CLAY with some silt moist, highly plastic <br /> 5 5 814 1252 CL <br /> Light brown silty CLAY sand, moist 02 <br /> 1 - --- <br /> 0 in <br /> brea <br /> 1 thing <br /> 10 I0___ 11-22 1257 CL Light brown stiff silty CLAY with fine sand moist zone <br /> 1 15 15 822 1 07 ML Reddish brown medium stiff clayey SILT, with fine sand moist 0 <br /> .20 20-- 1821 1 13 ML Light brawn medium stiff clayey SILT with trace gravel moist 01 <br /> 25 25- - 820 1 15 CL Light brown medium stiff silty CLAY moist 0 <br /> .30 30-- 11 24 1 22 CL Light brown with specks of white silty CLAY, with trace sand, moist 02 <br /> -35 35 -- 11-13 1 30 ML Reddish brown medium stiff clayey SILT, moist 5 2 <br /> 4 R9/71 51 1 L <br />