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Drilling Log <br /> �00GROUNDWATER Monitoring Well MW-13 <br /> TECHNOLOGY <br /> Prosect Texaco/Stockton Owner Texaco Environmental Services See Site Map <br /> Location 440 Charter Way, Stockton, CA Pros.No. 02070 2569 For Boring Location <br /> Surface Elev. Total Hole Depth 5l5 ft. Diameter 8 is COMMENTS. <br /> Top of Casing Water Level Initial 39.95 ft. Static 37.03 ft. <br /> Screen: Dia 4 in. Length 20 ft- Type/Size •020 in. <br /> Casing:Dia 4 in- Length 30 1t- Type SCH.40 PVC <br /> Fill Material 03 Sand Rig/Core CME-WSa1it Spoon <br /> Drill Co. Fest Haz Mat Method Hollow Stem Auger <br /> Driller Tom Wright Log By Bruce Beale Date 9-2-93 Permit # <br /> Checked By Ed Simonis License No. R604422 <br /> C <br /> t� _0 o > 'Co' CD <br /> Description <br /> 3E as a v �o U <br /> E a v �-, m (Color. Texture. Structure) <br /> 0 I CD K to Trace < 10%, Llttle 10% to 20%, Some 20% to 35%. And 35% to 50% <br /> —2 <br /> 0 ^ 4" to 6" Concrete over silty fine SAND base <br /> SM <br /> 2 < < Dark brown sandy SILT with fragments of brick, glass, etc. <br /> ML <br /> 4 < < <br /> < a <br /> 6 < < 0 M5-13 12 Dark brown gray silty CLAY <br /> 8 < < <br /> t0 < < 10 CL Light brown silty CLAY (mottled with light gray sandy clay, moist, <br /> < 0 MW-13 11 no hydrocarbon odor) <br /> -10' 13 <br /> 12 ` < <br /> < < I <br /> 14 < < � <br /> s = Gray brown fine to medium SAND (slightly silty and clayey, moist, <br /> 16 < < 10.5 MW-13 13 loose) <br /> < < I -15' 20 SW <br /> 18 ` < � <br /> 20 < <br /> 12 Olive gray clayey SILT (moist, no hydrocarbon odor) <br /> < < 0.5 MW-13 20 <br /> i -20' 20 <br /> 22 < < ML <br /> 24 < ` <br /> 11/I6/1031ithlop-mar93 Paae: I of 2 <br />