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TabWL <br /> Groundwater Monitoring DWnd Analytical Results <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Holt Drive r. <br /> Vertical Measurements are in feet Stockton,California Analytical results are in parts per billion(ppb) <br /> Well Ground Depth <br /> DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylenes MTBE <br /> Elev Elev Water Gasoline Benzene <br /> MW-3(cont) <br /> 03/18/96 240 -1046 1286 -- 150 0 7 <0 5 <0 5 <0 5 -- <br /> 06/18/96 240 -953 1193 -- <50 <0 5 <0 5 <0 5 <0 5 28 <br /> 09/24/96 240 -1133 1373 -- 70 <0 5 <0 5 1 1 08 <5 0 <br /> 12/04/96 240 -- Inaccessible -- -- -- -- -- -- <br /> 02/25/97 240 -668 908 -- 70 10 0 6 0 5 2 0 20 <br /> 05/06/97 240 -773 1013 -- <50 <0 5 <0 5 <0 5 <05 25 <br /> 09/29/97 240 -1048 1288 -- <50 <0 5 <0 5 <0 5 <0 5 21 <br /> 11/25/97 240 -1044 1284 -- <50 <0 5 <0 5 <0 5 <0 5 95 <br /> 03/26/98 240 -393 633 -- 89 16 <0 5 <05 <0 5 91 <br /> 06/24/98 240 -585 825 -- <50 <0 5 <0 5 <0 5 <0 5 36 <br /> 09/10/98 240 -780 1020 -- <50 075 053 <0 5 14 11 <br /> 12/17/98 240 -779 1019 -- <50 <0 5 <0 5 <0 5 <0 5 55 <br /> 03/10/99 240 -583 8 23 - <50 <0 5 <0 5 <0 5 <0 5 37 <br /> 06/22/99 240 -751 9 91 -- <50 <0 5 <0 5 <0 5 <0 5 876 <br /> 09/13/99 240 -9 l0 1150 - <50 <0 5 <0 5 <0 5 <0 5 26 <br /> 12/16/99 240 -903 1143 <50 <0 5 <0 5 <0 5 <0 5 435 <br /> 03/01/00 240 -4 91 731 -- 58 <0 5 <0 5 <0 5 <0 5 485 <br /> 06/13/00 240 -6 41 8 81 -- <50 0 <0 500 <0 500 <0 500 <0 500 136 <br /> 09/13/00 240 -8.41 1081 -- <50 0 <0 500 0 582 <0 500 <0 500 <5 00 <br /> MW-4 <br /> 03/22/89 281 -1348 1629 -- ND ND ND ND ND -- <br /> 06/12/89 281 -1416 1697 -- ND ND ND ND ND - <br /> 09/07/89 281 -1554 1835 -- 170 1 7 ND ND ND <br /> 12/18/89 2 81 -1499 1780 ND ND ND ND ND <br /> 03/20/90 2 81 -1459 1740 -- 85 2 9 ND ND 0 9 - <br /> 9-4275 xis/1t386845 6 As of 09/13/00 <br />