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���, Drilling Log <br /> ❑❑�r-'' GROUNDWATER Monitoring Well MW-3 <br /> TECHNOLOGY <br /> project Chevron-Charter way, Stockon owner Chevron USA Products Company See Site Msp <br /> Location 508 Charter Way, Stockton, CA Pro). No. 02070 0071 <br /> For Boring L oca tion <br /> Surface Elev. Total Hole Depth 54.5 ft. Diameter 8 in. <br /> COMMENTS: <br /> 'Cop of Casing dater Level Initial 40.5 ft. Static <br /> Screen: Dia 2 in. Length 20 ft. Type/Size 0.020 in. <br /> Casing: Dia 2 in. Length 30 ft. Type Sch 40 PVC <br /> Fill Material *3 Sand Rig/Core CME-75/Spilt Spoon <br /> Drill Co. SES Inc. Method Hollow Stem Auger/P10 <br /> Driller Mike Duffy Log By Druce Beale Date 0310195 Permit # 5173 <br /> Checked By Ed Simonis License No. RG*A422 <br /> c <br /> o � <br /> a: <br /> -0 0 E v o Description v- aU o a v <br /> ar a s Ek u to <br /> (Color, Texture, Structure) <br /> 0 .. � m K � V) Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> 0 4" asphalt over 3" pea gravel. <br /> F, Gravelly sandy CLAY: brown to black with chunks, moist, no <br /> 2 < < hydrocarbon odor. <br /> < c $C <br /> 4 < < <br /> < < MW-3 <br /> 0 -5' Silty CLAY: mottled gray and brown, moist, no hydrocarbon odor. <br /> 6 < < <br /> s <br /> 8 CL <br /> < c <br /> 10 < < Mw-3 <br /> o -10' 8 Sandy silty CLAY (10,201,70). mottled brown-orange and tan with <br /> < < 6 black specks, moist, firm, no hydrocarbon odor. <br /> 12 <t < <br /> < < <br /> 14 < < <br /> c < MW-3 CL <br /> 0 -15' a <br /> 1� < < 6 <br /> 3 <br /> 18 < < <br /> 20 < < Mw-3 Sandy silty CLAY (20,30,50): brown-gray with very abundant root <br /> 5 -20' 2 ciast (<imm), moist, slight hydrocarbon odor. <br /> < < 5 <br /> 8 <br /> 22 < < CL <br /> < < <br /> i <br /> 24 � < < <br /> 04/Q11995 i= eq-md 33 Page: i o1 2 <br />