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I <br /> L4 <br /> Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> BOREHOLE NO:: MW-9- <br /> if 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX: (209)467-1118 TOTAL DEPTH: 20' <br /> Project: Tracy Marine Sales Drilling Co.: West Hazmat Drilling Corporation <br /> Site Location: 2353 Toste Road Rig/Auger Type: CME 75HT- 8"Hollow Stem Auger <br /> Tracy, California Logged By: Brian W. Millman <br /> Reviewed By: Nuel Henderson <br /> Project No.: AGE-NC-96-0263 <br /> Date(s) Drilled: 23 March 2001 <br /> Notes: sz Water level during drilling Page 1 of 1 <br /> Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> t? _ Well cover cristy box <br /> Concrete <br /> Bentonite seal from 1' <br /> to 3' bsg, <br /> -5 MW9-5 518110 0 #2112 sand from 3'to <br /> CL:Brown,very moist,SILTY CLAY;stiff,no <br /> hydrocarbon(HC)odor,66%recovery. 20'bsg. <br /> -147 MW9-10 51819 0Screened interval from <br /> GL:Light brown,saturated,SILTY CLAY;stiff,no HC <br /> ........ odor. 5'to 20'bsg. <br /> 77 <br /> SM:Light broom,saturated,SILTY SAND;fine sand, <br /> i I 35%silt,medium dense,50%recovery. 8"Boring diameter <br /> i <br /> � .. <br /> 2"Casing diameter <br /> MW9-15 15/28/32 0 <br /> SP:Dark brown to tan,saturated,POORLY GRADED <br /> SAND;fine sand,<5%fines,dense to very dense,no <br /> HC odor,70%recovery. .020 slot size <br /> L <br /> -2 l7Cap at 20'. <br /> MW9-20 6128/28 0 CL:Light brown,moist,SILTY CLAY;hard,no HC <br /> odor,100%recovery. <br /> -25 <br />