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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE Agricultural Commissioner's Office BORING ID G-8 <br /> ' 392 South Moffat Blvd <br /> Manteca, California Drilling Date December 6, 2002 <br /> SAMPLE PID <br /> SAMPLE SAMPLE DEPTH SAMPLE READING <br /> ID TIME (Feet) TYPE ANALYSES (ppm) USCS SOIL DESCRIPTION <br /> G8-5 935 5 SOIL NA 00 SM SILTY SAND Silty fine sand, light orange-brown, <br /> dry, no odor <br /> G8-10 940 10 SOIL NA 00 SP SAND Poorly-graded fine sand, light orange- <br /> beige, dry, no odor <br /> TPHDSAND Poorly-graded fine-medium sand light <br /> G8-15 945 15 501E TPHG/B/BTEX 0 0 SP <br /> 5 OXYS, 12-DCA orange-beige dry, no odor <br /> TPHD SILTY CLAY Medium gray, moist, slight <br /> G8-20 950 20 SOIL TPHG/BTEX 1100 CL petroleum odor <br /> 5 OXYS, 12-DCA <br /> G8-25 1000 25 SOIL NA 108 CL SILTY CLAY Light gray-brown,wet, slight <br /> petroleum odor <br /> TPHD SILTY CLAY Medium gray-brown, moist, no <br /> GS-30 1020 30 SOIL TPHG/BTEX 02 CL <br /> 5 OXYS, 12-DCA petroleum odor <br /> TPHD Statrc groundwater at 21 4 feet Collected <br /> G8-GW 1040 21 4 GROUND TPHG/BTEX _ _ groundwater-grab sample with temp well <br /> WATER 5 OXYS, 12-DCA Terminated soil boring at 30 feet <br /> Sealed borehole with neat cement, by tremae <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 /> Dnller 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, DIPE,TAME, TBA) <br /> 12-DCA= 1,2-Dichloroethane <br /> ' NA= Not Submitted for Analysis <br />