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GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE Agricultural Commissioner's Office BORING ID. S13-1 <br /> 503 East 10th Street <br /> Tracy, California - Drilling Date December 19, 1997 <br /> SAMPLE PID <br /> SAMPLE SAMPLE DEPTH SAMPLE READING <br /> ID TIME (Feet) TYPE ANALYSES (ppm) USCS SOIL DESCRIPTION <br /> TPHD SILTY SAND Silty fine sand with <br /> S131-20 1300 20 SOIL TPHG 00 SM some clay, light brown, wet, medium <br /> BTEX <br /> MTBE dense, no petroleum odor <br /> TPHD <br /> GROUND TPHG <br /> S131-GW 1315 7 WATER BTEX NA NA NA <br /> MTBE <br /> Terminated soil boring at 20 feet bgs <br /> Sealed borehole with neat cement <br /> using tremae method <br />�r <br /> NOTES PID= Photoiornzation Detector Geologist Joseph Ramage RG#5856 <br /> ppm =parts per million Ramage Environmental <br /> USCS= Unified Soil Classification System <br /> bgs=below ground surface Drilling Rig Geo robe 5400 <br /> NA= Not Applicable Driller David Fisch (C-57#683865) <br /> Fisch Environmental <br /> TPHD=Total Petroleum Hydrocarbons as Diesel <br /> TPHG=Total Petroleum Hydrocarbons as Gasoline <br /> BTEX= Benzene,Toluene, Ethylbenzene,Xylenes <br /> MTBE =Methyl ternary butyl ether <br />