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' ENVIRONMENTAL ASSESSORS, INC. <br /> BORING LOG PAGE OF 2 <br /> SB15 _ _ <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 S13 15 <br /> NORMAN SACRO VALLEY WELL DRILLING B-131' DATE DRILLED BORING ELEV REF/DATUM BORING DIAMETER DRIVE WEIGHT <br /> 1Q 19,19 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 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 /> ' 19" locations or times ING SAM DESCRIPTION (PPM)PLER LITHOLOGY, COLOR, GRAIN SIZE, SORTING/GRADING, DENSITY, <br /> HARDNESS, MOISTURE <br /> ' 0 ---- 548 FL 2"3'Asphalt gravel <br /> 15 - PMDin <br /> Black fine SAND, non graded,sticky It appears to contain asphalt breathe <br /> 10/18/ emulsion <br /> 93 <br /> ng <br />' zone <br /> CL/CH Dark gray stiff CLAY with some silt moist <br /> 5 5 5711 21 <br /> 600 80 <br /> PM <br /> - 10 10- - 11 1733 608 ML Light brown medium stiff clayey SILT, moist <br /> 40 <br /> - 15 15---- 12 1222 613 ML Light brown medium clayey SILT, moist <br /> 02 <br /> -20 1 20--- 7 14-22 619 ML Light brown clayey SILT with some sand and gravel, moist 00 <br /> 25 25-- 12 17 20 6 24 CL Light brown medium stiff silty CLAY with some sand and gravel, 08 <br /> --- moist <br /> 30 30--- 7 7-14 6 33 CL Grayish brown medium stiff silty CLAY,with some sand and gravel 02 <br /> mast <br /> 10 R9/71 51 1 L <br />