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TABLE 1 - SOIL CHEMICAL ANALYTICAL DATA <br /> Chevron Service Station #9-1848 <br /> 1257 Yosemite Avenue <br /> Manteca, California <br /> Sample Ethyl- Total <br /> Sample Date Depth TPHg' Benzene' Toluene benzene' Xylenes' Oxygenates Methanol <br /> � ID Collected <br /> (ft) m) (ppm) (ppm) m), (Ppm) m) m <br /> Borang.BI <br /> 131-5 8/25/97 50 <1 0 <0 0050 <00050 <00050 <00050 ND <br /> Bi-15 5 8125/97 155 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <10 <br /> Bo =-E 2 <br /> 132-4 s 8/25/97 45 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <10 <br /> B2-10 8/25/97 100 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <10 <br /> Boring B3 <br /> 133-5 5 8/25/97 55 <I 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <br /> 133-15 5 8125/97 15 5 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <1 0 <br /> C10 <br /> R2nn 4 <br /> 134-5 5 8/25197 55 <I 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <br /> <10 <br /> 134-14 5 8/25/97 145 <1 0 <0 0050 <0 0050 <0 0050 <0 0050 ND <1 0 <br /> I <br /> Explanation <br /> Analytical Lab orato <br /> TPHg = Total Petroleum Hydrocarbons as gasoline Sequoia Analytical(ELAP#1210) <br /> BTEX = benzene, toluene, ethylbenzene, total xylenes Anal tical Methods <br /> (ft) = feet <br /> (ppm) = parts per million TPHg/BTEX EPA Method 8015 Modified/8020 <br /> ND = analytes not present above the stated limit of detection Oxygenates EPA Method 82602 <br /> Methanol EPA Method 8015 Modified <br /> ' Soil samples were analyzed for TPHg/BTEX after the 14-day holding period <br /> 2 Refer to laboratory reports for other volatile organics listed under EPA Method 8260 <br /> t <br /> 61920* <br />