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Drilling Log <br /> b1113U�k GROUNDWATER Monitoring Well MW-3 <br /> TECHNOLOGY <br /> Project Chevron-Charter Way, Slackan owner Chevron USA Products Company See Site Map <br /> 508 Charter Way, Stockton, Ca <br /> Location Pro{ No 02070 0071 For won)g Location <br /> Surface Elev Total Hate Depth 515 ft Diameter 8 In COMMENTS <br /> Top of Casing Dater Level Initial 405 ft Static <br /> Screen Dia 2 in Length 20 1`1 Type/Size o 02o in <br /> Casing Dia 2 in Length 30 rt Type Sch 40 PVC <br /> Fill Material *3 Sand Rig/Core CME-75/Spilt Spoon <br /> Drill Co SES, Inc_ Method Hollow Stem Auger/PID <br /> Driller Mike Duffy Log By Bruce Beare Date 03/16/95 Permit f 5179 <br /> Checked By Ed S1mcnrs License No RG#4422 <br /> C Q r ., <br /> CL= <br /> �� OE o > r� Description <br /> a Dr,Cl a- a E x Q0 rn (Color, Texture, Structure) <br /> p`� E <br /> Wim° x U) Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> _2 <br /> 4 asphalt over 3 pea gravel <br /> Gravelly sandy CLAY brown to black with chunks, moist, no <br /> 2 < < hydrocarbon odor <br /> < < 13C <br /> 0 - 4 < < <br /> < < MW-3 <br /> a -54 <br /> Silty CLAY mottled gray and brown moist, no hydrocarbon odor <br /> 6 < < 7 <br /> s <br /> < < <br /> 8 < < CL <br /> r 4r <br /> 10c c MW-3 <br /> 0 -10 a Sandy silty CLAY (10,20,70) mottled brown--orange and tan with <br /> < c 6 black specks, moist, firm, no hydrocarbon odor <br /> 12 c < <br /> 14 < < <br /> < < MW-3 CL <br /> 0 -15 a <br /> 16 < < s <br /> 9 <br /> 18 < < <br /> 20 < < MW-3 Sandy silty CLAY (20 30,50) brown--gray with very abundant root <br /> 5 -20 2 clast (<lmm), moist, slight hydrocarbon odor <br /> < < 5 <br /> 8 <br /> 22 < < CL <br /> < t <br /> 24 - < < <br /> 04/12/199510rr09-ma,93 Page t of 2 <br />