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5 <br /> TABLE 8 Analytic Results Pump Island Overexcavation Samples <br /> Exxon Service Station No 7-3330 <br /> 3128 West Ben Holt Dr <br /> Stockton, California <br /> Collection Date: 5130192 <br /> Depth TPH-g B T E X STLC Lead <br /> Wall ppm ppb ppb ppb ppb ppm <br /> PI-1 l0E 25 57 ND 180 1000 25 <br /> PI-2 IN 210 900 3900 2600 25000 20 <br /> PI-3 lOS 53 330 ND 570 2200 20 <br /> PI-4 low ND ND ND ND ND 20 <br /> PI-5 10N 26 ND 43 48 1600 29 <br /> PI-6 10N ND ND ND ND ND 16 <br /> PI-7 l0E ND ND ND ND ND 12 <br /> PI-8 5S ND ND ND ND ND 25 <br /> PI-9 5W ND ND ND ND ND 20 <br /> PI-10 5N ND ND ND ND ND 37 <br /> PI-11 5E ND ND ND ND ND 20 <br /> PI-12 5W ND ND ND ND ND 16 <br /> NOTES <br /> TPH-g Total Petroleum Hydrocarbons as gasoline <br /> B Benzene <br /> T Toluene <br /> E Ethylbenzene <br /> X Xylenes <br /> ft foot <br /> PPM parts per million <br /> ppb parts per billion <br /> ND not detected <br /> NA not analyzed <br /> E East <br /> W West <br /> N North <br /> S South <br />