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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE San Joaquin County Courthouse BORING ID B-3 <br /> 222 E Weber Avenue <br /> Stockton, California Drilling Date February 3_2001 <br />' SAMPLE PID <br /> SAMPLE SAMPLE DEPTH SAMPLE READING <br />' ID TIME (Feet) TYPE ANALYSES (ppm) USCS SOIL DESCRIPTION <br /> 83-15 945 15 SOIL TPHG1i3TEX, 11 6 CL SILTY CLAY Medium brown,dry slight <br />' 5 OXYS petroleum odor <br /> B3-20 955 20 1 SOIL TPHGMTEX 64 2 ML CLAYEY SILT Gray-brown,wet, <br /> 5 0xys moderate petroleum odor <br /> Static groundwater at 15 0 feet Collecte <br />' <br /> TPHG/BTEX groundwater-grab sample through B3-GW 1000 15 GW 5 OXYS NA - temproary well(no petroleum odor) <br /> Terminated sod 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, ETBE, DIPE,TAME TBA) <br /> LEAD=Total Lead <br /> NA= Not Submitted for Analysis <br /> 1 <br />