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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE Agricultural Commissioner's Office BORING ID G-7 <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 /> G7-5 850 5 SOIL NA 00 SM SILTY SAND Silty fine sand, medium orange- <br /> tan, dry, no odor <br /> G7-10 855 10 SOIL NA 00 SM SILTY SAND Silty fine sand, light beige, dry, no <br /> odor <br /> G7-15 900 15 SOIL NA 00 SP SAND Poorly-graded fine sand, light orange- <br /> beige, dry, no odor <br /> TPHD <br /> G7-20 905 20 SOIL TPHGIBTEX 00 CL SILTY CLAY Medium gray moist, no odor <br /> 5 OXYS, 12-DCA <br /> TPHD CLAYEY SILT Some fine sand, medium gray, <br /> G7-25910 25 SOIL TPHGIBTEX 194 ML <br /> 5 OXYS, 12-DCA wet, slight petroleum odor <br /> TPHD Static groundwater at 22 9 feet Collected <br /> G7-GW 920 22 9 GROUND 7PHG/BTEX _ _ groundwater-grab sample with temp well <br /> WATER 5 OXYS, TEE Terminated soil boring at 25 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 /> 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, ETRE, DIPE,TAME,TBA) <br /> ' 12-DCA= 1,2-Dichloroethane <br /> NA= Not Submitted for Analysis <br /> 1 <br />