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Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> 837 Shaw Road, Stockton, CA 95215 BOREHOLE NO IAS-2 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 25' <br /> ' Project Ripon parn-I Service Drilling Co Mitchell Drilling Environmental <br /> Site Location 22871 South State Hwy 99 Rig/Auger Type CME 75 HT/ 8"hollow stem. <br /> Ripon Logged By Brian Millman <br /> California Reviewed By N Henderson <br /> ' <br /> Project No AGE-NC-95-0137 <br /> Date(s) Drilled 04/25/00 <br /> Notes continuous core sampling zz Water level during drilling page 1 of 1 <br /> z Water level in completed well <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> tID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 Well covercnsty box <br /> 0 ML SANDY SILT,medium sand,moist,no hydrocarbon <br /> ' — (HC)odor Cement grout seal from <br /> -5 0 —— <br /> _._ 5M Brown,SILTY SAND,medium sand,moist no HC 0 5to 1 S'bsg. <br /> odor <br /> 1 <br /> -10- <br /> 0 <br /> —— ML Gray to brown,SANDY SILT/SILTY SAND, <br /> 1 moist,no HC odor <br /> ML Tan,SANDY SILT,fine sane),no HC odor <br /> ' -15 0 — <br /> ML SILT with clay,moist no HC odor <br /> ' Q = Bentonite seal fiom 17' <br /> to 18' bsg <br /> #2112 sand from 19'to <br /> -20— 279 SP POORLY GRADED SAND with silt,fine sand, 25'bsg <br /> ' 715 saturated,HC odor <br /> SM SILTY SAND,coarse sand,saturated,HC odor Screened interval from <br /> 16 zz 20'to 25'bsg <br /> ' 6 CL SIL'T'Y CLAY with sand,fine sand,saturated,HC <br /> - Cap at 25' <br /> 25— odor <br /> ML bray to brown,SILT with clay,moist,no HC odor <br /> -30 <br /> 1 <br /> 1 <br />