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1 <br /> GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE San Joaquin County Courthouse BORING ID B_1 <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) USCST SOIL DESCRIPTION <br /> B1-5 750 5 SOIL NA 07 CL CLAY Minor silt, medium brown dry, no <br /> petroleum odor <br /> 131-10 755 10 SOIL TPHGIBTEX 13 CL CLAY Minor silt, dark gray-brown, moist, <br /> 5 OXYS slight petroleum odor <br /> B1-15 800TPHG/BTEX CLAY Minor silt dark <br /> 15 SOIL 5 OXYS 1 6 CL � gray- <br /> brown, moist, <br /> slight petroleum odor <br />' B1-20 815 20 SOIL TPHGIBTEX 25 SM SILTY SAND Silty fine sand, gray, wet, <br /> 5 OXYS slight petroleum odor <br /> Static groundwater at 14 2 feet Collette <br /> TPHGIBTEX groundwater-grab sample through <br /> B1-GW 835 142 GW 5 OXYS NA - temproary well(slight 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, ETBE, DIPE, TAME,TBA) <br />' LEAD=Total Lead <br /> NA=Not Submitted for Analysis <br />