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Drilling Log <br /> • ❑��® GROUNDWATER - Monitorin <br /> TECHNOLOGY g Well MW-14 <br /> Project Chevron/Stockton owner Chevron USA Products Co See Site Map <br /> Location 45 E hfardino way, Stockton, C.a_._ Prof. No 02070 4885 For Borft Location <br /> Surface Elev Total Hole Depth 665 ft Diameter 8 in COMMENTS <br /> Top of Casing dater Level Initlal 53 ft Static <br /> Screen Dia 2 in Length 25 ft Type/Size 0 020 in <br /> Casing Dia 2 in Length 40 ft Type Schedule 40 PVC <br /> Fill Material 93 Sand Rig/Core GME-55/S h Spoon <br /> Drill Co SES Inc Method Hollow Stem Auoer <br /> Driller Morris Peterson Log By Bruce Beale Date 01/04/92 Permit # <br /> Checked By E K Srmonis License No RG 4422 <br /> CL= v°i na o o :E 09 S Description <br /> U CL <br /> o. E a s E w mJ m (Color, Texture, Structure) <br /> U In Some 20% to 35X, And 35% to <br /> U) m x i Trace � 10:, Little 10% to 20X, S50X <br /> _2J <br /> 0 <br /> n 10 asphalt over brown silty sandy CLAY (515,60) (moist, no <br /> E hydrocarbon odor) <br /> 2 < < CL <br /> 4 -C VXA <br /> ` Orange brown silty CLAY (30,70) with brown-black organic specks <br /> ` !1 (moist, no hydrocarbon odor) <br /> 6 < < 0 MW-14 22 <br /> -a 33 <br /> CL <br /> g < < <br /> < ` (grades gray) - <br /> 10 < < !� zz <br /> < < f 0 MW-14 39 - <br /> .j r11 -10 40 Mottled brown and gray silty CLAY (30,70) with black organic <br /> 12 < c specks and whitish chalky patches <br /> CL <br /> [ < <br /> 14 [ < <br /> < < (grades mottled tan and brown with root casts, <lmm dia ) <br /> 16 <br /> 1� < < 0 Mw-1450/6 - <br /> -1� <br /> < < C! <br /> 18 [ < <br /> 1 41 <br /> 20 < Brown clayey SILT and fine SAND (15,50 35) <br /> 12 <br /> < < 0 Mk--14 12 <br /> -20 is <br /> 22 ML <br /> (grades orange to brown) <br /> 24 < <br /> o2/i!/lB94 hthbg-mare3 <br /> Page 1 of 3 <br />