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I ENVIRONMENTAL ASSESSORS, INC. <br /> BORING LOG PAGE i OF 1 <br /> sBz3 - - -1- <br /> K <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 <br /> Norman Sacro/Ramesh VALLEY WELL DRILLING B-61 SB-23 <br /> Shah <br /> DATE DRILLED BORING ELEV REF/DATUM BORING DIAMETER DRIVE WEIGHT <br /> 10 20 93 8" 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 FOOT 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 /> DESCRIPTION (PPM) <br /> LITHOLOGY, COLOR, GRAIN SIZE, SORTING/GRADING, DENSITY <br /> HARDNESS MOISTURE <br /> 0 --- 2 3 inches of asphalt gravel <br /> 15 7913 200 CL Dark brown very stiff sandy CLAY, dry to mast 18 <br /> -- p m <br /> 5 5 --- 5 10 17 CL Dark brown silty CLAY with some sand dry to moist 04 <br /> ` Total depth of borehole = 5 it Groundwater not encountered <br /> Backfilled with bentonite grout See Table 3 for details <br /> 1D - - <br /> ,��PED G�p� <br /> I 15 <br /> 3 <br /> 20 � <br /> 1 -25 =- <br /> -30 <br /> 1 -- <br /> 35 -- - <br /> 15 89/71 51-1L <br />