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J.M Equipment Boring Dia. :2" <br /> 1245 W.Charter Way LOG OF BORING SB-4 Tot.Depth :30' <br /> Stockton,CA (Page 1 of 1) Casing Depth :NIA <br /> Project No.:507.2 Casing Dia. :NIR <br /> Date :416199 Screen Interval :NIA <br /> Drilling Method HSA Slot Size :N/A <br /> TeckJltCs Driller :V&W Filter Pack :NIA <br /> Logged By :M.Niemi Annular Seal :N/A <br /> Grout :0-30' <br /> Water Depth <br /> Well:S13-4 <br /> Depth Lab Time L) EL Vy OVM Elev., <br /> '" Sample o DESCRIPTION � 0 (ppm) <br /> Feet <br /> Co C7 <br /> 0 <br /> b X <br /> CLAY-brown,blue staining,very firm,plastic,moist, <br /> 7 hydrocarbon odor present <br /> 0800 7 151 <br /> 12 CL <br /> M —r <br /> 10- <br /> CLAY-grey,slightly plastic,crumbly,moist,strong <br /> 7 hydrocarbon odor <br /> 0804 12 <br /> 15 CL <br /> 15 X <br /> SILTY CLAY-grey,plastic,sticky, moist, <br /> 7 hydrocarbon odor present <br /> 0809 7 1707 <br /> 14 CL <br /> - 20 X <br /> CLAYEY SAND-black,very fine to very coarse <br /> 8 grained,sticky,strong hydrocarbon odor <br /> 0814 9 1420 <br /> 12 SC <br /> 25 X <br /> m SANDY CLAY-grey,very fine grained,plastic, <br /> C. o820 5 strong hydrocarbon odor CL 1048 <br /> s CLAYEY SAND-very fine grained,strongXI <br /> hydrocarbon odor <br /> 0623 0 SC <br /> 1062 <br /> _ 30 <br /> 6 <br /> E <br /> D <br /> 0 35 <br /> N <br /> c <br /> N <br /> O _ <br /> i <br /> i <br />