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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE San Joaquin County Courthouse BORING ID B-2 <br /> 222 E Weber Avenue <br /> Stockton, California Drilling Date February 3, 2001 <br />' SAMPLE PID <br /> FAMP7c . AMPLE DEPTH SAMPLE READING <br /> ID TIME (Feet) TYPE ANALYSES (ppm) USCS SOIL DESCRIPTION <br /> B2-15 850 15 SOIL TPHGIBTEX, 366 0 ML CLAYEY SILT Dark gray, very moist, <br /> 5 OXYS LEAD strong petroleum odor <br /> B2-20 1 905 20 SOIL TPHGIBTEX 565 SM SILTY SAND Silty fine sand, dark gray, <br />' 5 OXYS wet, strong petroleum odor <br /> Static groundwater at 14 8 feet Collette <br /> TPHGIBTEX groundwater-grab sample through <br /> B2-GW 925 148 GW 5 OXYS NA - temproary well(strong petroleum odor) <br /> Terminated soil boring at 20 feet Sealed <br /> borehole with neat cement, by tremie <br /> NOTES PID= Photoionization Detector Geologist Joseph Ramage R G #5856 <br /> ppm=parts per million Ramage Environmental <br /> USCS= Unified Soil Classification System <br /> Sample depths are in feet below ground surface Rig Geoprobe 5400 Direct Push <br /> Driller David Fisch (C-57#683865) <br />' Fisch Environmental <br /> TPHG=Total Petroleum Hydrocarbons-as-Gasoline <br /> BTEX= Benzene,Toluene, Ethylbenzene,Xylenes <br /> 5 OXYs= Five Oxygenates(MTBE, ETRE, DIPE,TAME, TBA) <br /> LEAD=Total Lead <br /> NA=Not Submitted for Analysis <br /> 1 <br /> 1 <br />