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Drilling Log <br /> �/ ❑� GROUNDWATER Soil Boring SB-1 <br /> ❑ TECHNOLOGY <br /> Project Chevron - Tracv owner Chevron USA Products Co See Site Map <br /> Location 103 West 11th Street Prosect Na 02320 267.3 Date dulled 11/02/92 For Boring Location <br /> Surface Elev Total Hole Depth 115 ft Diameter 057 ft COMMENTS <br /> Top of Casing Water Level Initial Static <br /> Screen. Dia Length Type/Size <br /> Casing- Dia Length Type <br /> Filter Pack Material Rig/Core Type 9-61/5011t SDOon <br /> Drilling Company Kvilhayg Method Hollow Stem Auoer Permit >� <br /> Driller Rod Fur)oN Log By Jason Fedota <br /> Checked By Ed Simonls License No RG 4422 <br /> BLI n <br /> 2 to <br /> Q E 0 o� r a Description <br /> CL= . CL aU o Q p U <br /> n" a se s m-' m (Color, Texture, Structure) <br /> m .¢ Q 0 <br /> Nmx Trace < 10%. Little 10% to 20X, Some 20X to 35%. And 35X to 50X <br /> —2 <br /> 0 r►so 2 inches asphalt over base course <br /> 0 0 <br /> 2 Dark gray sandy, clayey SILT (15, 15, 70) (damp, soft, moderate <br /> gasoline odor) <br /> .� 4 <br /> ML <br /> 3 4 <br /> 6 81-5 7 <br /> so <br /> 8 <br /> 10 50 2 ML Dark gray clayey SILT (40, 60) (saturated, strong gasoline odor) <br /> Bt-tOz <br /> 3 <br /> 12 End of boring, backfilled with neat cement <br /> 14 <br /> 16 <br /> 82022 18 - <br /> 20 - <br /> 22 <br /> 24 <br />