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TABLE 1 - SOIL CHEMICAL ANALYTICAL DATA <br /> Former Unocal Service Station No. 0187 <br /> 437 East Miner Avenue <br /> Stockton, California <br /> Sample Ethyl- Total Total <br /> Sample Date Depth TPHg Benzene Toluene benzene Xylenes Lead <br /> ID Collected (feet) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) <br /> Boring U-2 <br /> U-9-11 5 8119197 11 5 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 NA <br /> U-9-21 5 8119197 21 5 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 NA <br /> U-9-31 5 8119197 31 5 <1.0 <0 0050 <0 0050 <0 0050 <0 0050 NA <br /> Stockpile <br /> SS l A-D 7110197 ---- <1 0 <0 0050 <0 0050 <0 0050 <0 0050 <50 <br /> I <br /> Explanation Analytical Laboratory <br /> TPHg = Total Petroleum Hydrocarbons as gasoline Sequoia Analytical (ELAP #1624) <br /> BTEX = benzene, toluene, ethylbenzene, total xylenes <br /> (ppm) = parts per million Analytical Methods <br /> NA = not analyzed/analysis not requested TPHg/BTEX EPA Method 5030/8020 DHS Luft <br /> ---- = not applicable Lead EPA Method 6010 <br /> 492721 <br />