Laserfiche WebLink
Eā‘® Drilling Log <br /> EJ0ā‘ GROUNDWATER Soil Boring SB-2 <br /> TECHNOLOGY <br /> . Project Chevron-w Benjamin Holt, Stockton Owner Chevron USA Products Company See Site Map <br /> 2805 W Benlamin Holt Dr, Stockton, CA 02070 0017 For Boring Location <br /> Location Prof No <br /> Surface Elev Total Hole Depth 215 ft Diameter 6 in COMMENTS <br /> Top of Casing Water Level Initial 18 ft Static <br /> Screen, Dia Length Type/Size to from the SE corner of station <br /> Casing Dia Length Type budding <br /> Fill Material Neat Cement Rig/Core CME-75/Spirt Spoon <br /> Drill Co SES Inc Method Hollow Stem Auger/PID <br /> Driller Mike Duffy Log By Jason Fedota Date 06/20/94 Permit 1i« <br /> Checked By Ed Simons License No RG#4422 <br /> QE (u o :E Description <br /> L <br /> C ..a a V o CL U <br /> C3 a a e ; 4 ro_J rn (Color, Texture, Structure) <br /> m° V) Trace < 10%, Little i0% to 20%, Some 20% to 35%, And 35% to 60% <br /> N x <br /> -2 <br /> 0 Asphalt over base course <br /> 0 0 <br /> Dark brown-gray clayey sandy SILT (20,30,50) (dry, no hydrocarbon <br /> 2 odor) <br /> . 4 ML <br /> 5 SB-2 6 <br /> 6 -5 7 <br /> 8 Brown and gray mottled silty CLAY (30,70) (damp soft, strong <br /> hydrocarbon odor) <br /> 10 30 SB-2 3 <br /> -10 5 (grades with green/gray discoloration) <br /> a CL <br /> 12 <br /> 14 Brown silty fine SAND (45,55) (most, very strong hydrocarbon odor) <br /> 300 SB-2 5 <br /> 16 -i5 6 <br /> 6 SM <br /> 18 y water Encountered 06/20/94, 1 25p <br /> Gray silty fine to medium SAND (20 80) (saturated loose moderate <br /> 24 SW hydrocarbon odor) <br /> 30 58-2 2 <br /> -20 3 <br /> 9 <br /> 22 End of boring Backfilled with neat cement <br /> 24 <br /> 07/21/1994 khlog-mar93 Page 1 Of 1 <br />