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GRAPHIC BORING LOG PAGE „_I_,_ OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-27 <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> DRILLING CO West Hazmat - TYPE OF RIG CME-85 <br /> DRILLING METHOD/EQUIPMENT Hollow Stem Auger HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140#a30" REFERENCE OR DATUM Surface ' <br /> START DATE 9/19/01 COMPLETION DATE 9/19/01 <br />— a DESCRIPTION <br /> _ t- ra ea rA w rs Iia Fol]owing Order LITHQLOrjY color, grion side 5ortid impulamv ' <br /> g <br /> CL x 0 44 fossils, cost Iswlitry wetnesg <br /> WzW wo- srHo !iu as oW ja- <br /> b�w Com.j rnV) -A 04- <br /> 0 <br /> a0 <br /> ML 0-5" Asphalt <br /> 5 17 1 50 0 1 4-5 5' SLIGHTLY CLAYEY SILT, rust, slightly moist, no odor <br /> 21 <br /> 30 <br /> 10 25 1 55 02 9-10 5' SLIGHTLY CLAYEY SILT, rust, slightly moist, no odor <br /> 32 <br /> 15 30 200 0 1 14-15 5' SILT, rust, moist, no odor <br /> 34 <br /> 20 27 205 0 1 19-20 5' SILT, rust to tan, moist, no odor <br /> - _ <br /> 34— <br /> 25 29 2 10 0 1 24-25 5' SILT, rust to tan, moist, no odor <br /> 28 0 <br /> SM _ _ <br /> 30 23 2 15 00 2930 5' SANDY SILT, rust to tan, moist, no odor <br /> 'i0 <br /> 40 <br /> ML 320 <br /> 35 2g 2 20 00 34-35 5' CLAYEY SILT, rust to tan, very moist, no odor Q <br /> Continued Neat Page <br /> NOTES -- - – <br /> ENVIRONMENTAL AUDIT, INC NOTE This Bonng Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> Times <br /> LAGGED BY BHM DATE 09/19/01 APPROVED BY BHM RG # 5649 <br />