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Drilling Log <br /> ❑® GROUNDWATER Extract / Inject Well VE-1 <br /> ❑ TECHNOLOGY <br /> Project TES - Stockton owner Texaco Environmental Services <br /> Location 440 West Charter Way, project No 02320 2570 Date drilled 04/28/92 <br /> C O <br /> 2 V H <br /> M E m o> r qJ) 1° Description <br /> flv- N ]Q U Q O U <br /> 3 E O 2 E ;m �-) (n (Color, Texture, Structure) <br /> o °°C j <br /> ) Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> ra m x <br /> 24 Brown silty CLAY (continued) <br /> 12 Mottled gray/green-brown silty CLAY (moist, product odor) <br /> 26 88 F 20 <br /> 26 <br /> 28 �0CL <br /> (Grades to brown silty CLAY) <br /> 30 13 Green-gray/brown silty CLAY with gray mottling (stiff, dry, product <br /> 56 F 16 odor) <br /> - 24 <br /> 32 = <br /> Greenish gray micaceous, clayey to sandy SILT (wet, slight product <br /> 34 = odor) <br />. = 9 ML <br /> 36 ,o G l6 <br /> - 24 <br /> 38 <br /> Greenish-gray, micaceous clayey silty, fine SAND (wet, no product <br /> 40 = odor) <br /> 12 H lz 5c q Encountered water at 405 feet on 04/28/92 (918am) <br /> 17 <br /> 42 End of boring at 415 feet Installed nested vapor extraction wells <br /> screened from 40 5 to 30 5 feet and from 23 5 to 13 5 feet <br /> 44 <br /> 46 <br /> 48 <br /> 50 <br /> 52 <br /> 54 <br /> - 56 - <br /> 0510811992 hthlog-mar92 Page 2 of 2 <br />