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Drilling Log <br /> ITIT CORPORATION Monitoring Well MW-5A <br /> A Member o/the IT Group <br /> Project 7-Eleven, SS# 19976 Owner 7-Eleven, Inc. <br /> Location /359 N. Main Street, Manteca CA Proi• No. 779956 <br /> C 0 T w <br /> t -- . ` Description v <br /> Descri <br /> tion <br /> OEo ' o0Z 0i_ a a <br /> 3Eas u m_ (Color, Texture, Structure)cture)o" W <br /> o m 00 N Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> U m x D <br /> -24- 3 HH-5025' S <br /> < < 12 <br /> 16 Clayey, sandy, SILT (20,30,50): olive gray, saturated, soft, no <br /> 26 < < ML hydrocarbon odor. <br /> 28 < < <br /> < < <br /> 200 MH-5030' 14 <br /> 30 < < 29 Clayey, sitly fine to medium SAND (10,20,70): olive to dark gray, <br /> < < SM saturated, loose to moderate dense. <br /> 32 ` <br /> 34 ` ` <br /> 0 HH-5035- 15 <br /> < < 21 <br /> 33 Silty, fine SAND (30,70): light brown to yellowish orange, moist to <br /> 36 <br /> ` < SM wet, loose to moderate dense, micaeous, no hydrocarbon odor. <br /> 38 <br /> < < NW-5040' Grades very fine SAND and SILT (30,70). <br /> 40 < < <br /> ML No recovery, lost sample down bore hole. <br /> 42- <br /> -44- .. <br /> 2 <br /> 44 MN-5045' Medium SAND: light gray, wet, loose, subangular. <br /> _ No recovery. <br /> 46 = SW <br /> 48 <br /> 50 — Sandy, silty, CLAY (20,20,60): olive gray, moist to wet, soft to <br /> 2 Mw-5050' �L medium stiff, plastic, no hydrocarbon odor. <br /> End of bore hole at 50' BGS. Took groundwater grab sample. <br /> - 52 - <br /> - 54 - <br /> - 56 - <br /> L <br /> 56 <br /> 07/22/1999 1i hlog-Mar,99 Pace: 2 of-2 <br />