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Advanced BORING LOG <br /> _ GeoEnvironmental, Inc. BOREHOLE NO MW-11A <br /> + : 4005 North Wilson Way, Stockton, CA 95205 <br /> TOTAL DEPTH 30 FEET <br /> (209)467-1006 FAX {209}467-1118 <br /> Project WEST CLAY PROPERTIES Drilling Co Mitchell Dnlling Environmental <br /> Site Location 639 West Clay Street Rig/Auger Type CME 75 HT <br />' Stockton., California Logged By Paul Dotson <br /> Reviewed By Nuel Henderson <br />' Project No AGE-NC-96-0235 Date(s) Drilled 25 July 2000 <br /> Notes Total depth of boring 30'below surface grade Boring �,z Water level during drilling page 1 of 1 <br />' completed as 2-inch diameter ground water monitoring well s Water level in completed well <br /> Sample Blows PID Soil USCS Class and Well Well <br /> Depth I la (per 6") (ppm) Symbol Soil Description Completion Description <br /> 1 <br /> 0 Well cover cnsty box <br /> 1 No sample recovery 5'to 15'bsg <br /> Cement gout seal from <br /> 5'to 6'bsg <br /> -5 <br /> Bentonite seal from 6' <br /> to 8' bsg <br /> /1D� <br /> CL CLAY with sand,approximately 20%sand,fine <br />' sand,trace black organics,brown,very stiff to hard,no <br /> MW11A-15 10/15/20 47 petroleum hydrocarbon(HC)odor 30'b sand from 8'to <br /> 30' sg <br /> CL SANDY CLAY,coarse sand,brown,very stiff,no <br /> HC odor <br /> 1 v 2 0 Screened interval from <br /> MW11A-20 10/12/15 5 10'to 30'bsg <br /> CL SILTY CLAY brown,moist,very stiff,no HC <br /> odor <br /> 25--25 MW11A-25 8110/14 35 <br /> ' SP POORLY GRADED SAND,fine sand,gray, <br /> saturated,dense to very dense,HC odor <br /> -30 <br /> 1 <br /> i� <br />' 1 <br /> 1 <br />