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Drilling Log <br /> GROUNDWATER Soil Boring <br /> TECHNOLOGY SB— <br /> 3 <br /> Project Chevron/Stockton Owner Chevron USA Products Co <br /> Location 45 E Hardiag Way, Stockton, CA Pro; No 02070 4885 <br /> L � <br /> IDDescription <br /> as a °a IDo [� <br /> E a d , J N (Color, Texture, Structure) <br /> V) m K n j <br /> N Trace < 10%. Little 10% to 20%, Some 20% to 35%, And 35% to r>0%X <br /> 24 <br /> ML Brown silty sandy CLAY (continued) <br /> 26 40 58-3 32 Brown orange clayey SILT (40,60) with black—coated root,casts (moist, <br /> -25 35 medium to strong hydrocarbon odor) <br /> - 28 - <br /> 30 - <br /> 200 58-3 7 CL Mottled brown orange and gray clayey sandy SILT (20,20,60) with <5% <br /> -30 14 sand and gravel (moist, no hydrocarbon odor) <br /> 32 <br /> 34 <br /> 10 <br /> 36 30 58-3 u <br /> -35 18 � Brown orange fine to coarse sand and gravel, 1cm (85,15) (moist, medium t0 <br /> strong hydrocarbon odor) <br /> 38 5w <br /> r (grades to gray CLAY) <br /> 40- 12 !I <br /> 50 5B-3 37 <br /> -40 42 Mottled gray and yellow brown sandy CLAY (20,30,50) with pale chalky <br /> 42 patches and organic matter <br /> CL <br /> 44- <br /> 17 <br /> 4� 25 58-3 35 <br /> -45 30 (grades brown, (5 20,75)) <br /> 46 <br /> ML <br /> $0 t0 Mottled brown and olive gray silty CLAY (60 40) (moist, medium to strong <br /> 8 56-3 24 hydrocarbon odor) <br /> -50 32 <br /> 'rnd of boring <br /> 52 <br /> 0 54 <br /> 56 <br /> 02/11/19a4 Lthtog-mar83 Page 2 of 2 <br />