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S <br /> Drilling Log <br /> BOMTECHNOLOGY <br /> GROUNDWATER Monitoring Well MW--15 <br /> proiaet TexacO/Slockton owner Texaco Environmental Services See Site Map <br /> Location 440 Charter Way, StocktonCA Fro).Na <br /> 02070 2589 For Baring Lacatfon <br /> Surface Elev. Total Hole Depth 515 ft Diameter 8 in COMMENTS <br /> Top of Casing Water Level Initial 43 30 ft Static 3910 ft <br /> Screen Ola 4 in Length 2a ft Type/Size 020 In SS-1 ea lab lroclsS-4 to iab (T00 <br /> Casing:Dia 4-in Length 30 ft 'Type SCH 40 PVC <br /> FRI Material 43 Sand Rig/Core CME-75/So11t Spoon <br /> Dria Co West Haz Mat Method H0110W Stem Au er <br /> Driller Tam Wrfght Log By Bruce Beale Date 9-1-93 permit# <br /> Checked By Fd S,monis License No. R6#4422 <br /> 5 Description <br /> •.+ Y7 ©E 0 o 4 d1 U <br /> Xa an r 3 m- us (Color. Texture, Structure) <br /> 10� m 0 ' Trace < 10%, Little 10X to 20X Some 20% to 3SX. And 36% to SOX <br /> _2 <br /> 0 pSP 2" asphalt over gravel base <br /> 13C <br /> CL Dark brownish gray silty CLAY <br /> 2 < < <br /> < < I Yellow-orange silty CLAY (moist) <br /> 4 < ` <br /> [ fo Cr_ <br /> 6 < < o M5-15 16 Light brown clayey sandy SILT and silty CLAY (moist,no <br /> ot hydrocarbon odor) <br /> 8 < < <br /> [ <br /> Yellow brown silty CLAY (moist,no hydrocarbon odor) <br /> < <br /> 10 < < 5 <br /> It 4T< < o MW-15 12 <br /> f0 18 CL <br /> 12 < [ <br /> < < <br /> 14 < < <br /> < < Srownish gray clayey SILT (moist, no hydrocarbon odor) <br /> o MW-1s is <br /> iB < < -15 is <br /> < < <br /> �g < < <br /> 41 ML <br /> < c <br /> 20 < < 12 (grades brown, with some sand) <br /> < [ o MW-15 z2 <br /> -zo zB Greenish gray clayey sandy SILT (micaceous, black organic spots) <br /> 22 < <br /> < [ ML <br /> 24 < <br /> 11/16/1883 Gthfog-mar93 Page: I of 2 <br />