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Project Chase Chevrolet Madison Project No AGE-NC-95-0144 BORING NO <br /> ' Site Address 423 North Madison Street Total Depth 55 Feet MW-21 <br /> Stockton, California Date 23 June 1998 <br /> Drilling Co Central Valley Drilling Logged by McKibben Page 1 of 2 <br /> Rug/Auger Type B-53/8" and 10" Hollow Stem Reviewed by Henderson <br /> ri <br /> 0 4¢a�4,-q� C fib,�SCG�my� Gi`���,yo� Lithologic Description <br /> ' MW21-5 1 4/7/11 Cl. Black, moist, stiff, sandy CLAY slight hydrocarbon(HC) odor <br /> ML I I Green-brov n, damp, stiff, sandy SII.T slight HC odor <br /> ' 10—MW21-10 673 10/15/20 SM Green-gray, moist,medium dense, silty SAND, strong HC odor <br /> N, Green-brown, damp,very stiff, SILT strong HC odor <br /> ' MW21-15 529 13/16/17 SM Dark green-gray, saturated medium dense, silty fine SAND <br /> •�: strong HC odor <br /> ' 20---MW21-20 572 13/10/14 SM Dark green-gray, saturated, medium dense silty fine SAND, <br /> •J: strong HC odor <br /> 1 <br /> ' MW21-25 643 8/11/17 SM , :I : ; Dark green gray, saturated, medium dense salty fine SAND, <br /> �- strong HC odor <br /> 30—MW21-30 722 8/11/14 SM - Dark green-gray, saturated, medium dense fine SAND Aith silt <br /> strong HC odor <br /> ' MW21-35 566 2/3/6 SM Dark green-gray, saturated, loose, fine SAND NNith silt <br /> strong HC odor <br /> 40—MW21-40 78 9/17/50 CL Dark green-gray,very moist, very stiff to hard, clavev silt to <br /> (25") silty CLAY,moderate HC odor <br /> Advanced <br /> ' L IAM1PRp1BORING-11GHASESGHASMW21 SAM GeoEnvironmental, Inc, <br />