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TABLE 2(Continued) <br /> GROUNDWATER ANALYTICAL DATA <br /> USA STATION 9110 <br /> STOCKTON,CALIFORNIA <br /> Well ID $ Date TPH G, TPH D Bemene Tolnerte a Ethyl- "Xylene Total ' MTgg <br /> ' Sampled bcavxrre r <br /> Lead <br /> (°� �"'� (nom. '09/1) <br /> (r+�) (!nom (uP�)a <br /> MW-1 01/24/97 1,100 ry NA 082 25 18 <br /> 04/21/97 1,400 NA 24 13 1 6 5 7 NA NA <br /> NA ND(5 0) <br /> 07/30/97 1,200'" NA ND(0 5) ND(0 5) ND(0 5) ND(0 5) NA NA <br /> 10/31/97 1,800 NA 06 18 14 50 NA NA <br /> 01/22/98 1,100 NA 23 13 087 1 8 NA NA <br /> 04/16/98 430 NA ND(0 5) 20 ND(0 5) 22 NA ND(5 0) <br /> 07/17/98 520 NA ND(0 5) 99 058 1 3 NA ND(5 0) <br /> 10/20/98 220 NA 066 48 _ND(0 5)_�0 68==NA—=ND(5 0)= <br /> =01/21/99==400——NA-NQ-65) 63 ND(0 55) 064 A 300 <br /> 04/30/99 380 NA 10 13 15 14 NNA 130 <br /> MW-2 01/24/97 74 NA ND(0 5) 70 ND(0 5) ND(0 5) NA NA <br /> 04/21/97 190 NA ND(0 5) 52 ND(0 5) ND(0 5) NA ND(5 0) <br /> 07/30/97 ND(50) NA ND(0 5) ND(0 5) ND(0 5) ND(0 5) NA NA <br /> 10/3I/97 NSSNS NS NS NS NS NS <br /> NS <br /> 01/22/98 140 NA ND(0 5) 5 1 ND(0 5) ND(0 5) NA NA ' <br /> 04/16/98 71 NA ND(0 5) 33 ND(0 5) ND(0 5) NA ND(5 0) <br /> 07/17/98 56 NA ND(0 5) ND(0 5) ND(0 5) ND(0 5) NA ND(5 0) <br /> 10/20/98 ND(50) NA ND(0 5) ND(0 5) ND(0 5) ND(0 5) NA ND(5 0) <br /> 01/21/99 ND(50) NA ND(0 5) ND(0 5) ND(0 5) ND(0 5) NA ND(5 0) ' <br /> 04/30/99 1 1 111111(50) NA ND(0 5) 4D(0 5) ND(0 5) ND(0 5) NA ND(5 0) <br /> TPH G Total petroleum hydrocarbons in the gasoline range <br /> ,1 TPH D Total petroleum hydrocarbons in the diesel range <br /> MTBE Methyl-tert-butyl-ether <br /> ug/1 Micrograms per liter <br /> mg/1 Milligrams per liter ' <br /> ND Not detected at the method detection limit <br /> NS Not sampled <br /> NA Not analyzed <br /> O Method detection Lima , <br /> * Unknown hydrocarbon present in the TPH G range <br /> * Resampled,assumption that MW-3 and MW-6 were switched on October 20, 1998 <br /> 1 <br /> I <br />