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Ll a a qa 5- <br /> M <br /> r <br /> Drilling Log ,� A.7069 EE- III-CQ:III-CQ:TECHNOLOGY <br /> GROUNDWATER Monitoring Wel! MW-13� <br /> Prosect Texaco/Stockton owner Texaco Environmental Services <br /> Location 440 Charter Way StocktonCA Prod.No. 02070 2589 <br /> c A r a o0 <br /> —m cap n � f0 <br /> QDescription <br /> a� m� a <br /> a a8 e m 2--J yr (Color, Texture, Structure) <br /> t7" a o ° ¢ 0 U) j Trace t 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 80% <br /> t� m x <br /> 24 ML Olive gray clayey SILT (continued) <br /> 7 <br /> 26 0 5 MW-13 17 <br /> -25 24 Olive gray clayey SILT to very fine SAND (moist) <br /> `28 ML <br /> 30 _ 8 <br /> 0 W-13 9 Greenish gray CLAY (moist, no hydrocarbon odor) <br /> 30 13 <br /> 32 <br /> 34 — CL <br /> 18 <br /> 36. = 0 5 MW--35-36. 2' 211 <br /> Static depth to water, 9-2-93, 1700 hrs <br /> 38 = <br /> 40 — Encountered water, 9-2-93, 1100 hrs <br /> s <br /> = 05 -40' 25 Dark bluish gray silty CLAY (moist, no hydrocarbon odor) <br /> 42 — <br /> CL <br /> 44 <br /> 17 Dark gray clayey fine SAND (very wet, degraded hydrocarbon <br /> 46 — <br /> 10 Mw-13 28 odor) <br /> -45' 30 <br /> 48 — Sc <br /> 50 7 (grades with silt, increasing degraded hydrocarbon odor) <br /> 7 0 -W--13 7 <br /> -50 s <br /> 52 End of boring Installed monitoring well <br /> 54 <br /> 567 11 11 <br /> JIMS11993 rtrdog—mar93 Page 2 of 2 <br />