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Drilling Log <br /> U^�VJ' GROUNDWATER Monitoring Well MW-3 <br /> OE1 TECHNOLOGY <br /> Project Chevron-Charter May, Stockon Owner Cnevron USA Products Company See Site Map <br /> Location <br /> 508 Charter way, Stockton CA Prof, No. 02070 OOn For Boring Location <br /> Surface Eley. Total Hole Depth 51.5 ff. Diameter 8 in. COMMENTS: <br /> Top o1 Casing Water Level Initial 40.5 ft Static <br /> Screen: Dia Pin Length 20 11. Type/Size 0.020 in. <br /> Casing:Dia 2 In Length 30 ft. Type SCh 40 PVC <br /> FW Material A'3 Sand Rig/Core CME-75/Spilt Spoon <br /> Drlll Co. SES, Inc. Method Hollow Stem Auger/P10 <br /> Driller Mike Duffy Log By Bruce Beale Dale 03/16/95 Permit / 5179 <br /> Checked fly Ed Simons License No. RGN4422 <br /> N <br /> L^ —v of v o is Description <br /> n: u_ o. n u CL 0. u <br /> o x E o a E °� N (Color, Texture, Structure) <br /> II <br /> N —�° H ? Trace < 10X, l.lttle 10% to 20X, Some 20% to 35%, And 35% to 50% <br /> —2 <br /> 0 4" asphalt over 3" pea gravel. <br /> 7. <br /> Gravelly sandy CLAY: brown to black with chunks, moist, no <br /> < < hydrocarbon odor. <br /> 2 <br /> < < 13C <br /> 4 < < <br /> < Mw-3 <br /> 0 -5' 4 Silty CLAY: mottled gray and brown, moist, no hydrocarbon odor. <br /> 6 < < g <br /> < c <br /> CL <br /> 8 <br /> < < <br /> 10 < < o -10'* <br /> _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 < <br /> 14 < <br /> < c Mw-3 CL <br /> 0 -15' 4 <br /> 16 < < e <br /> s <br /> < < <br /> 18 c c <br /> c < <br /> 2O < c 5 M203 2 Sandy silty CLAY (20,30,50): brown-gray with very abundant root <br /> 5 clast (<Imm), moist, slight hydrocarbon odor. <br /> < < a <br /> 22 < < CL <br /> 24 � c <br /> OA/I2/1995 Page: I o1 2 <br />