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I - <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO 13-3 (MW-2 <br /> 4005 North Wlison Way, Stockton, CA 95205 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH gst <br /> Project Lodi Airport Drilling Co Michell Drilling Environmental Corp <br />' Site Location 23987 North Highway 99 Rig/Anger Type CME-75 (H T) drill ng <br /> Acampo, California Logged By Tony Mikacich <br /> Reviewed By Nuel Henderson <br />' Project No AGE-NC-98-0533 Date(s) Drilled 22 June 2000 <br /> Notes Soil boring B-3 was converted to monitoring well MW-2 sz Water level during drilling page 1 of 3 <br />' Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> IDepth ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> I <br /> SM Dark brown,damp,medium dense,silty sand,30%silt,fine sand with trace of <br /> -5 B-3-05' 6/33/50 417 — medium sand Micas present HC odor detected <br /> rSP-SM Brown,damp,poorly graded sand with silt(10%)and fine sand,trace of medium <br /> -10— B-3-10' 12/17/24 122 _—— sand HC odor detected <br /> r ML About 1 inch of thin,moist silt HC odor present <br /> r <br /> ML Light brown to olive green,damp,sandy silt, 30%fine sand with abundant iron <br /> -15 B-3-15' 17/24/3$ 399 — oxides Traces of medium sand and white mineralization noted HC odor detected <br /> ML Brown to olive green,damp,sandy silt, 20%fine sand with iron oxides HC odor <br /> -20— B-3-20' 27/50 222 detected <br /> CL About 1/2-inch-th3ck dry,hard clay with abundant iron oxides <br /> r <br /> ML Brown to olive green,moist,stiff silt with traces of fine sand, iron oxides,and white <br /> - <br /> 25— B-3-25' 38150 509 — mineralization HC odor detected <br /> I <br /> i <br />