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ENVIRONMENTAL ASSESSORS, INC. <br /> BORING LOG PAGE J1� OF J2T <br /> MW19 <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 MW-19 <br /> N Sacro VALLEY WELL DRILLING B$1 <br /> 1 DATE DRILLED BORING ELEV. REF/DATUM BORING DIAMETER DRIVE WEIGHT <br /> 10-18 93 10" 140 lbs/30" <br /> 1 DEPTH SAMPLE BLOWS/ TIME LITHO- This boring log applies only at the specific boring location and at the Ftp/PID <br /> (FT) LOCA- 6" LOGY time the boring was drilled The descriptions on this log are not VAPOR <br /> TION U S C S warranted to be representative of subsurface conditions at other READ <br /> locations or times ING <br /> 1 18" DESCRIPTION (PPM) <br /> sampler LITHOLOGY, COLOR, GRAIN SIZE, SORTING/GRADING, DENSITY, <br /> HARDNESS, MOISTURE <br /> 1 <br /> -0 - 800 2"-3"asphalt gravel <br /> 15---- 9 10 12 9 00 AM CH Dark gray CLAY with some sand and silt, moist, high plasticity 24 <br /> -5 5 ---- 510-17 925 CH Dark gray, very stiff CLAY, moist high plasticity 10 <br /> 10 10 7 1927 954 CL Light brown stiff CLAY,with some silt, moist 02 <br /> 15 i5----- 7 12-17 1053 CL Light brown medium stiff CLAY with silt, moist 70 <br /> 20 20 --- 5811 10 58 CL/ML Light brown medium stiff CLAY with silt, moist 30 <br /> 1 -25 25 --- 7 11 8 11117 OL Light brown CLAY wish some silt, moist 14 <br /> 30 30 - 7-2023 11 14 CL Light brown medium stiff silty CLAY, moist 08 <br /> i <br /> 35 35- 9913 11 25 ML Light brown medium stiff clayey SILT, moist 0 <br /> 40 40 7-10 12 11 36 CL Light brown silty CLAY, moist 12 <br /> 8 R9/71 51 1L <br />