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Drilling Log <br /> ❑� GROUNDWATER Monitoring Well MW-15 <br /> ❑❑ TECHNOLOGY <br /> Pro)ect Texaco/Stockton owner Texaco Environmental Services See Sue Map . <br /> Location 440 Charter Kay, Stockton CA Pro),No 02070 2583 For B=V Locetlon <br /> Surface Elev. Total Hole Depth 5L5 ft Diameter 8 to COMMENTS <br /> Top of Casing Water Level Initial 4330 it Static 3310 it <br /> Screen. Dia 4 in. Length 20 ft Type/Size 020 in SS-1 to►ab rTOCI SS-4 to lab qoc) <br /> Casing Dia 4 to Length 30 ft Type SCH40 PVC <br /> Fill Material 03 Sand Big/Core CME-75/Su1tt SAOOn .. <br /> Drift Co Wesf Hae Maf Method Hollow Stem Auger <br /> Driller Tom Wright Log By Bruce Beale Date 8-1-93 Permit # <br /> 4 Checked By Ed Slmonts License No RG,94422 <br /> CQ 7+ w <br /> v> -2 ID Description <br /> 01 <br /> se w n QE a U u a o to P <br /> o-- E a s E a u �- rn (Color, Texture, Structure) <br /> U ID 0 N m x o W Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to 50X <br /> -2 <br /> 0 , P 2" asphalt over gravel base <br /> GC <br /> 2 CL Dark brownish gray silty CLAY <br /> c c <br /> ` < Yellow-orange silty CLAY (moist) <br /> 4 < <br /> < < 10 CL <br /> 6 0 MW-15 4 <br /> -5 is Light brown clayey sandy SILT and silty CLAY (moist, no <br /> hydrocarbon odor) <br /> ---Yell OW-br own-silt yCLAY(moist,no_hydrocarbon_odor) - <br /> --- -10 < - < --- - 5 ---- - - -- -_- - = - - - - - - -- - -- - - - - - <br /> < 0 MN-15 12 <br /> I r i <br /> -t0 18 CL <br /> 12 < < <br /> 4t r <br /> c < <br /> 14 < < <br /> It <br /> < <r 12 <br /> Brownish gray clayey SILT (moist no hydrocarbon odor) <br /> 16 < < 0 MW-t5 15 <br /> -15 15 <br /> �8 < < ML <br /> < c <br /> c < <br /> (grades brown, with some sand) <br /> It 4 r 12 <br /> < < 0 MW-15 22 <br /> -20 29 <br /> 22 < I Greenish gray clayey sandy SILT (micaceous, black organic spots) <br /> 11 <br /> < < ML <br /> 24 <1 f <br /> 11/16/1993 Gtrvog-mar93 Page i of 2 <br />