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TABLE 2 <br /> } GROUNDWATER ANALYTICAL DATA <br /> Knowles-Rock <br /> Stockton, Callforrua <br /> • Page 11 of 11 <br /> (in parts per billion) <br /> W I Bate TPHg Benzene Toluene Ethylhenzene Xylmes MTB/'- <br /> VW-6 11/18/97 -- I -- -- - - <135 <br /> 2/25/98 14,000,000 6,600 43,000 100,000 720,000 <30 <br /> 2/3/00 28,000 420 840 410 2,600 <50 <br /> 5111/00 11,000 410 920 250 1,400 <100 <br /> 8/17/00 35,000 640 1,200 700 4,100 <100 <br /> 11/21/00 43,000 580 1,700 710 3,900 <40 <br /> 3/8/01 63,000 1,500 8,900 1,200 7,200 <100 <br /> 5/25101 68,000 1,200 9,000 1,500 9,000 <100 <br /> 8130/01 Not Sampled <br /> 12/7/01 50,000 400 960 1 730 3,800 <50 <br /> 2120102 Not Sampled <br /> 5/23102 13,000 10 51 43 1,500 <40 <br /> 8/27102 40,000 590 810 1,100 5,300 <20 <br /> NOTES <br /> TPHg - Total petroleum hydrocarbons as gasoline <br /> 11ME = Methyl tert-butyl ether <br /> < = Less than indicated detection limit <br /> = Not Analyzed <br /> • <br /> I <br />