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PROJECT NAME/LOCATION: PROJECT BORING <br /> NUMBER: 89-016 NUMBER:MW-2 SHEET 1 OF 2 <br /> Shell Service Station <br /> 4445 Pershing Ave. CONTRACTOR: DRILLING <br /> Stockton, California West Hazmat METHOD: 10" HSA <br /> DRILLER: DRILLING <br /> Brien Kenney RIG: CME 75 <br /> LAND START DATE: 7-09-90 COMPLETED: 7-10-90 <br /> OWNER: Shell Oil Company TIME: 3 : 05 PM TIME: 4 : 30 PM <br /> S T S N B C S I S R <br /> A Y A U L O A N A E GENERAL <br /> M P M M O U M T M C DEPTH DESCRIPTION OF MATERIALS PID OBSERVATION <br /> P E P B W N P P O (ft. ) AND CONDITIONS (ppm) NOTES <br /> L L E T L F L V <br /> E E R S E T E Surface: Asphalt <br /> 0 211 AC FILL <br /> Ch CLAY; dark brown, sl. 0 No Odor <br /> moist, mod. plasticity <br /> SS MW2 12 5-6.5 131" 5 SILT; reddish brown, sl. 0 No Odor <br /> -1 28 ML plasticity, dry <br /> 30 <br /> SS MW2 18 10 - 13 10 SILT; reddish brown, sl . 0 No Odor <br /> -2 35 11 .5 ML plasticity, dry <br /> 50 <br /> SS MW2 12 15- 13 15 CLAYEY SILT; dk. brown, sl. 0 No odor <br /> -3 13 16. 5 ML plasticity, sl. moist <br /> 15 <br /> SS MW2 17 20- 16 20 SILT; w/fine SANDS ; dk. 0 No Odor <br /> -4 18 21.5 ML brown, mod. moist, sl. <br /> 25 plasticity <br /> SS MW2 10 25- 16 25 —SILT w/ cobbles and fine 0 No Odor <br /> ** -5 27 26.5 ML sands ; dk.grey, reddish <br /> 30 brown, dk.brown, v. moist <br /> SS MW2 8 30- 17 30 SILT w/sl. clay; med. brown 0 No Odor <br /> -6 24 31.5 ML mod. moist, sl.plasticity <br /> 23 <br /> Field Notes: <br /> Aegis <br /> ** Appears to have penetrated a vadose zone. Environmental <br /> Soils indicate groundwater fluctuation Consultants <br /> Logged By: Jackie Roddy <br />