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MONITORING WELL LOG <br /> PROJECT NAME Stockton Metro Airport LOG OF WELL BORING: MW-6 <br /> SITE ADDRESS 5000 S.Airport Way BOREHOLE DIAM. (in) 8 <br /> Stockton,California MONITORING WELL DIAM. in 2 <br /> DATE STARTED: June 1, 2007 DRILLER/COMPANY Jason Neff <br /> DATE COMPLETED June 1, 2007 GreggDrilling C-57#656407 <br /> DRILLING METHOD Marl M-11 Hollow Stem Auger GEOLOGIST/ENGINEER: R. David Smith, R G.#6886 <br /> Split Spoon Sampler Ramage Environmental <br /> r <br /> 4 <br /> 11 r W <br /> HW <br /> Q6 (L m m o S <br /> a U � <br /> n 3 n U <br /> E W <br /> c"n m a uai z DESCRIPTION <br /> 0 fill Asphalt,4-inches,underlain by base to 1 feet. Hand Geared to 5 feet. 0 <br /> CLAYEY SILT: Pale yellowish brown,moist,medium stiff,trace whitish caliche <br /> ML <br /> 5 ", 48 5 <br /> u 7. <br /> SILTY SAND: Moderate brown,slightly moist,medium stiff,55%fine sand,45%silt. <br /> _ SM <br /> ° G9 <br /> 10 <br /> a <br /> SILT WITH CLAY AND SAND: Pale brown to dank yeftowsn brown,molar medium et ft 10 <br /> 70%sill, 15%cley, 15% <br /> fine inicaceuus sand, <br /> ML black organic traces <br /> ° 63 <br /> 77 <br /> 15 15 <br /> SAND WITH SILT' Dark yellowish brown,moist,medium dense grades from fine micaceous <br /> 0 1 9 MW-G-20 sand lu well graded fine to medium grained"granitic"sand,c 10%silt <br /> 20 SM- 20 <br /> SW <br /> r <br /> 12 1 8 Trace gravel,lasts to 0 5-inches <br /> 25 za 25 <br /> SILT WITH CLAY AND SAND: Pale brown to dark yellowish brown,moist,medium stiff, <br /> 70%silt,15%clay, 15%fine micaceous sand, <br /> e black organic Iraces <br /> ° 76 <br /> +o <br /> 30 ML 31 30 <br /> SILT WITH CLAY: Dark yellowish brown,moist,medium stiff,zones of whitish caliche <br /> s <br /> 0 79 <br /> 35 v, 35 <br /> __ _ _ _ ___ 3L 5' <br /> SM_ SILTY SAND Lense from 38 5 to 39 5 feet_ _ _ 39 s <br /> ° 7 7 Static groundwater measured at 39.44 feet bgs on 6127/07 <br /> 40 40 <br /> Saturated soil encontered at 44 feet bgs, 611107 <br /> o <br /> 2.4 MW-6-45 ML Sift with day unit contains cemented sift nodules,trace saturated zones. <br /> 45 45 <br /> ,7 <br /> ° <br /> 54 Sand content increases <br /> Page 1 of 2 <br />