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Drilling Log <br /> 01111 L-JLJ ' GROUNDWATER Monitoring Well MW-1 <br /> TECHNOLOGY <br /> Proiecl Chevron-Charier Way, Stockon owner Chevron USA Products Company See Site Hap <br /> Location 503 Charter way, Stockton CA - Pro]. No. 02070 0071 For Boring location <br /> Surface Elev. Total Hole Depth 515 /L Diameter B rn. COMMENTS: <br /> Top of Casing Water Level Initial 35 ti. Sialic <br /> Screen: Dia 2 m. Length 20 It. Type/Sae 0.020 in. <br /> Casing: Dia 2 in, Length 30 It. Type SCh 40 PVC <br /> Fill Material /3 Sano Rig/Core CME-757Spilt Spoon <br /> Drill Co. SES. Inc. Method Hollow Slem AucetIPlO <br /> Driller Mike Outty Log By Bruce Beale Date 03/15795 Permit 5179 <br /> Checked By Ed Smon,s License No. 8604422 <br /> O r h <br /> L.. O <br /> CL= ov p0 v c o ap Description <br /> E s 0-' to (Color, Texture, Structure) <br /> 0 to m x V) Trace < 10%. Little 10% to 20X, Some 2OX to 35X. And 35% to SOX <br /> —2 <br /> 2" asphalt over 4" base coarse. <br /> Gravelly silty sandy CLAY (10,10,40,40): brown-black, moist, slight <br /> 2 < < hydrocarbon odor. <br /> CL <br /> < < <br /> 4 < <br /> _ Silty CLAY (20,80): light brown with white streaks and patches, <br /> < < 1.0 M5' z moist, no hydrocarbon odor. <br /> (j < < 2 <br /> s <br /> < < <br /> CL <br /> 8 < < <br /> MW-1 Silty CLAY (40,60): light brown, moist, no hydrocarbon odor. <br /> t0 ` < 1.0 -10' 6 <br /> < c 9 <br /> 11 <br /> 12 < < CL <br /> 14 < < <br /> Mw-t Sandy silty CLAY (20,30,50): brown with green-gray mottling, and <br /> < < 34 -1S' 14 while streaks and patches, moist, no hydrocarbon odor <br /> 41 <br /> 16 < < 30 <br /> 24 <br /> < < CL <br /> 18 c < <br /> 441 <br /> 20 < < Mw-I (grades with abundant root casts <Imm diameter) <br /> 38 -20' 2 <br /> < < 3 <br /> 6 <br /> 22 < < CL <br /> ` ` I (grades gray) <br /> 24 < < <br /> 0a112n995 mmo)-mm9] <br /> Page: 1 OI 2 <br />