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r ,L Advanced BORING LOG <br />' y GeoEnvironmental, Inc. BOREHOLE NO P-7 <br /> F-V 1 ±fir 837 Shaw Road, Stockton, CA 95215 <br /> �J <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 55 FEET <br />' Protect ZE AUTO REPAIR Drilling Co Enviroprobe <br /> Site Location 2255 South Airport Way Rig/Auger Type GeoProbe 5400 <br />' Stockton, California Logged By - Paul Dotson <br /> Reviewed By Calvin Lee <br />' Protect No AGE-NC-02-0927 <br /> Date{s} Drilled 06 August 2002 <br /> Notes Boring advanced to 50 feet bsg Boring backfilled. 4 Water level during drilling Page 1 of 2 <br />' to surface grade with Portland cement Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> No sample recovery U to 20'below surface grade <br /> 1 <br />' -5 <br /> -10 <br />' -15 <br /> SM/ML Light yellowish brown,SILTY SAND/SANDY SILT,fine sand,approximately <br /> --_ 50%fine sand and 50%fines,dry,petroleum hydrocarbon-like(HC)odor,95%recovery <br /> - <br /> 20— P7-20 --- Over <br />' range <br /> (9000+) <br /> ML Moderate yellowish brown, SILT,low plasticity,low toughness,approximately 10% <br /> fine sand,damp,HC odor, 100%recovery <br /> -25— P7-25 --- Over <br /> range <br /> ,Y <br /> (8000+) <br />' CL Moderate yellowish brown, SILTY LEAN CLAY,medium plasticity,low to medium <br /> toughness,damp,HC odor, 100%recovery <br /> -30 P7-30 --- Over <br />' (7800+) <br />