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TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Knowles-Roek <br /> Stockton, California { <br /> Page 6 of 6 <br /> (in parts per billion) <br /> Date Well TPHg B T E X MTBE $260" <br /> MW-i 2 02/05/97 100 <0 5 <0 5 <05 <05 -- -- <br /> cont 05/07/97 74 <05 <05 <0 5 <05 -- <br /> 07/22197 <50 <05 <0 5 <05 <05 <5 0 -- <br /> 7 0' <br /> 11/19/97 <50 <05 <0 5 <05 <05 <50 422 <br /> 02/26/98 <50 <0 5 <0 5 <05 <05 <5 0 1 1102 <br /> MW-13 11/09/95 65000 11000 5200 2100 8200 -- <br /> 02/09/95 170000 12000 32000 3700 18000 -- <br /> 04/25/96 140000 5300 28000 2800 14000 <1600 -- <br /> 08/08/96 160000 6000 30000 3800 20000 -- <br /> 11/06/96 <br /> -11/06/96 130000 4800 32000 2000 22000 -- -- <br /> 02/06/97 94000 3200 19000 1700 12000 -- -- <br /> 05/08/97 90000 4200 18000 3400 20000 -- <br /> 07/23/97 120000 3200 24000 4100 21000 <200 -- <br /> 11/20/97 110000 3600 "8000 2900 16000 <5 0 ND" <br /> 02/27/98 90000 4000 1 12000 1 1900 1 13000 <30 1 ND* <br /> tVW-1 02/25/98 37000 3200 7300 1400 9200 <5 0 ND <br /> VW-3 11/18/97 -- -- -- <20 NDS` <br /> 02/25/98 5800 200 370 150 1400 <5 0 ND <br /> VW-4 11/18/97 -- -- -- -- -- <50 ND" <br /> 02/25/98 140 12 1 9 24 10 <5 0 ND <br /> VW-6 11/18/97 -- -- -- -- -- <135 NDS' <br /> 02/25/98 140003 6 63 433 1003 7203 <30 ND" <br /> NOTES — <br /> �� M <br /> TPHg Total petroleum hydrocarbons as gasoline Dusopropyl ether <br /> BTEX Benzene, Toluene, Ethylbenzene, total Xylenes 2 tort-Butanol <br /> MTBE = Methyl tart butyl ether 3 = in parts per million <br /> 4 8260 = Oxygenates analyzed using EPA method 8260 = = Rased detection limits,see table 3 <br /> Less than indicated detection limit Not Analyzed <br /> ND = All oxygenates below respective detection limits <br /> ro--kltbl2 lab <br /> I <br /> k <br /> 1 <br />