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Drilling Log <br /> �❑u� GROUNDWATER Monitoring Well MW--1 <br /> TECHNOLOGY <br /> Project Chevron-Cha..rrer W,4v Sfockon Owner Chevron USA Products Company See Site Map <br /> Location 503 CnarPer Wav Stockton CA Prol No 02070 0071 For Boring Location <br /> Surface Eley Total Hole Depth 515 1`1 Diameter 6 in COMMENTS <br /> Top of Casing Water Level Initial 35 ft Static <br /> Screen Dia 2 pn Length 20 ft Type/Size 0 020 in <br /> Casing Dia 2 en Length 30 ft Type SCh 40 PVC <br /> Fill Material #3 Sand Rig/Core CME-75/Sprit Spoon <br /> Drill Co SES Inc Method (-Hollow Stem Auaer/PID <br /> Driller Mike Duffy _ Log Ry Bruce Beare Dale 03/15/95 Permit 5179 <br /> Checked 8y Ed Srmon,s License No RG*4422 <br /> C: p A h <br /> C h <br /> a o o LW, Description <br /> � aCL <br /> 0 X E °' n E x o° J a (Calor, Texture, Structure) <br /> o 10 0 0 x in n <br /> Trace < IDX, Little 10% to 20X, Some 20% to 35% Ad 35% to SOX <br /> ca � m <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 /> < 5 <br /> Ip -5 2< - moist, no hydrocarbon odor <br /> 6 2 <br /> s <br /> < < CL <br /> 8 < <br /> Silty CLAY (40,80) light brown moist no hydrocarbon odor <br /> 10 < < MW-1 <br /> to -10 6 <br /> < < 8 <br /> tt <br /> 12 < < CL <br /> 14 < < <br /> Sandy silty CLAY (20,30,50) brown with green-gray mottling, and <br /> < < 34 -15 14 white streaks and patches moist no hydrocarbon odor <br /> 16 < < 30 <br /> 24 <br /> < < CL <br /> 18 < < <br /> < < <br /> 20 < < MW-1 (grades with abundant root Casts <Imm diameter) <br /> 11 r 38 -20 2 <br /> < < 3 <br /> 6 <br /> - 22 — < < CL <br /> (grades gray) <br /> 24 < < <br /> 04it2/1995 hlrvo7-ma 93 Page 1 of 2 <br />