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Drilling Log <br /> GROUNDWATER Monitoring Well MW-6 <br /> TECHNOLOGY r <br /> Project Chevron/Stockton 139 S. Center Owner Chevron U.S.A. Products <br /> Location Stockton. Ca Prod No. 020704368 <br /> o r v <br /> 02 ❑E �, o Q a� S Description <br /> I a a E x m0 rn (Color, Texture, Structure) - <br /> v N `m x U) Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> 24 <br /> MM-6 19 Brown clayey SILT (continued). <br /> ` 0.6 t25) 26 <br /> "L <br /> 26 <br /> < i Grades brown (10 yr 513). <br /> < < <br /> 26 < ` Grayish brown (10 yr 5/2) silty CLAY, 50% clay, 40% silt, 10% fine <br /> < < sand (slightly moist, no hydocarbon odor). <br /> a CL <br /> 30 Mn <br /> O.a (33g)0) u <br /> 32 <br /> Light brownish gray (2.5 yr 5/2) SAND, 80% fine sand, 20- silt <br /> ` (slightly moist, no hydrocarbon odor). <br /> - 34- <br /> 12 ) 5P <br /> MW-6 M �• Grades olive/gray at 34.5 (slight hydrocarbon odor). <br /> 0.2 (35) 1a �'•'• <br /> i <br /> 38 I �• Dark green clayey SILT, 60% silt, 40% clay (moist, hydrocarbon <br /> odor). <br /> 10 ML <br /> 40 = MW-6 Is <br /> 2.0 (40) 19 <br /> = i <br /> 42 =_ <br /> Dark green fine SAND, 50% sand, 30% silt, 20% medium sand, (wet, <br /> , <br /> loose slight hydrocarbon odor). <br /> 44 ` <br /> 5 Encountered water, 9-14-93. . <br /> Mw-6 8 sM <br /> 17.5 (45) 12 <br /> 46 <br /> I <br /> 46 — <br /> _ : I 7 baric green clayey SILT, 50% silt, 30% clay, 20% fine sand <br /> ! Mw-6 11 (saturateC, strong hydrocarbon odor). <br /> Jr 0 i 11.2 150) 13 <br /> 52 � '. I ML <br /> I <br /> 54 <br /> 5 <br /> MH-5 5 <br /> 6 <br /> 10/0611863lithiog-mar&3 Page: 2 of 3 <br />