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Drilling Log <br /> GROUNDWATER Extract / Infect Well VE-3 <br /> . ❑D❑ 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 /> t� Description <br /> � a QUo ¢O <br /> O` E a E ID N (Color, Texture, Structure) <br /> o e°C N Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> U W a X <br /> 24 <br /> _ CL Brown silty CLAY <br /> 12 <br /> 0 E 19 Green-gray, micaceous, clayey SILT to silty CLAY (stiff, dry, no <br /> 26 21 product odor) <br /> CL <br /> 28 <br /> Green silty CLAY (stiff, moist, product odor) <br /> 30 5 <br /> 80 F II CL <br /> - 14 <br /> 32 = <br /> 34 = <br /> 15 Green micaceous silty to clayey SILT with very fine sand (wet <br /> - 21 product odor) <br /> 36 = s G 30 CL <br /> 38 = <br /> Green clayey to silty very fine SAND (wet product odor) <br /> 40 a Q Encountered water at 40 feet on 04/28/92 (12470m) <br /> ML <br /> 3 H 12 <br /> 14 <br /> 42 End of boring at 415 feet Installed nested vapor extraction wells <br /> screened from 40 5 to 30 5 feet and from 25 to 15 feet <br /> -44- <br /> - 46 - <br /> - 48 - <br /> - 50 - <br /> - 52 - <br /> 54 48 <br /> 50 <br /> 52 <br /> 54 <br /> 56 <br /> 05/08/1992 hthlog-mai,92 <br /> Page 2 of 2 <br />