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i <br /> i <br /> TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Knowles-Roek <br /> Stockton,California <br /> Page 15 of 15 <br /> (in parts per billion) <br /> Well Date TPHg Benzene Toluene Ethylbenzene Xylenes MTBE <br /> VW-6 2/20/02 Not Sampled <br /> Confd 5/23/02 13,000 10 51 43 1,500 <40 <br /> 8/27/02 40,000 590 810 1.,100 5,300 <20 <br /> 11/14/02 54,000 680 1,200 1,400 7,400 <100 <br /> 2/19/03 Not Sampled <br /> 5/29/03 41,000 510 780 T 1,200 4,900 1 <100 <br /> 8/27/03 Not Sampled <br /> NOTES <br /> TPHg — Total petroleum hydrocarbons as gasoline <br /> MTBE = Methyl tert-butyl ether <br /> < = Less than indicated detection limit <br /> = Not Analyzed <br /> * = Gasolene is primarily composed of benzene <br /> • <br />