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r <br /> GEOPROBE <br /> SAMPLE COLLECTION AND DESCRIPTION LOG <br /> SITE Agricultural Commissioner's Office BORING ID SB-2 <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 /> LNOT SILTY CLAY Silty clay, brown, <br /> S132-5 1120 5 SOIL ANALYZED 0 0 CL moist, stiff, no petroleum odor <br /> CLAYEY SILT Clayey silt with some <br /> SB2-10 1140 10 SOIL ANALYZED E 00 ML fine sand, light brown, wet, medium <br /> stiff, no petroleum odor <br /> NOT SILTY SAND Silty fine sand with <br /> SB2-15 1150 15 SOIL ANALYZED 00 SM some clay, light brown, wet, medium <br /> dense, no petroleum odor <br /> SB2-GW 1200 7 GROUND NOT NA NA NA <br /> WATER ANALYZED <br />' Terminated sod boring at 15 feet bgs <br /> Sealed borehole with neat cement <br /> using tremae method <br /> NOTES PID = Photoionization 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 Geoprobe 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 tertiary butyl ether <br />