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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE Agricultural Commissioner's Office BORING ID G-12 <br /> ' 392 South Moffat Blvd <br /> Manteca, California Drilling Date December 5, 2002 <br /> SAMPLE PID <br /> SAMPLE SAMPLE DEPTH SAMPLE READING <br /> ID TIME (Feet) TYPE ANALYSES (PPM) USCS SOIL DESCRIPTION <br /> 612-5 835 5 SOIL NA 00 SM SILTY SAND Silty fine sand, medium brown, <br /> dry, no odor <br /> G12-10 840 10 SOIL NA 00 SP SAND Poorly-graded fine sand, light beige, dry, <br /> no odor <br /> G12-15 845 15 SOIL NA 00 SP SAND Poorly-graded fine sand, light orange- <br /> beige, dry, no odor <br /> TPHD SAND Poorly-graded fine-medium sand light <br /> G12-20 850 20 SOIL_ TPHG/BTEX 00 SP beige, moist, no odor <br /> 5 OXYS, 12-DCA <br /> TPHD <br /> G12-25 900 25 SOIL TPHG/BTEX 0 0 ML SILT Light gray-beige, wet, no odor <br /> 5 OXYS, 12-DCA <br /> TPHD Stafic groundwater at 22 6 feet Collected <br /> GROUND groundwater-grab sample with temp well <br /> G12-GW 915 22 6 WATER TPHG/BTEX - - Terminated soil boring at 25 feet <br /> 5 OXYS, 12-DCA Sealed borehole with neat cement, by tremie <br /> ' NOTES PID= Photo Ionization 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 6600 Direct Push <br /> Driller Rick Bertolino <br /> TPHD =Total Petroleum Hydrocarbons-as-Diesel Fisch Environmental (C-57#683865) <br /> TPHG =Total Petroleum Hydrocarbons-as-Gasoline <br /> BTEX= Benzene,Toluene, Ethylbenzene, Xylenes <br /> 5 OXYs= Five Oxygenates(MTBE, ETBE, DIPS, TAME,TBA) <br /> 12-DCA= 1,2-Dichloroethane <br /> NA= Not Submitted for Analysis <br />