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Ta <br /> i Groundwater Monitoring Tab" <br /> Analytical Results , <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Holt Dnve <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-7(cont) <br /> 09/10/98 3 14 -774 1088 -- <50 <0 5 <0 5 <0 5 <0 5 5 1 <br /> 12/17/98 314 -759 1073 -- <50 <0 5 <0 S <0 5 <0 5 2 7 <br /> 03/10/99 3 14 -593 907 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 06/22/99 3 14 -707 1021 - <50 <0 5 <0 5 <0 5 <0 5 <2 0 <br /> 09/13/99 3 14 -9 05 1219 <50 <0 5 <0 5 <05 <0 5 <2 5 <br /> 12/16/99 3 14 -872 1186 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 03/01/00 3 14 -5 10 824 <50 <0 5 <0 5 <05 <0 5 <2 5 <br /> 06/13/00 314 -649 963 <50 0 <0 500 <0 500 <0 500 <0 500 <5 00 <br /> MW-8 <br /> 01/18/94 1 18 -1484 1602 -- 51 ND ND ND ND -- <br /> 06/27/94 1 18 -1415 1533 ND ND ND ND ND <br /> 09/29/94 1 18 -1537 1655 -- ND ND ND ND ND <br /> 12/08/94 1 18 -1502 1620 Anomalous 110* 3 5 <0 5 <0 5 <0 5 <br /> 01/31/95 1 18 -1352 1470 Anomalous 140* <0 5 <0 5 <0 5 <0 5 - <br /> 03/08/95 1 18 -1280 1398 -- 70 <0 5 <0 5 <0 5 0 7 <br /> 06/01/95 1 t8 -1123 1241 -- 220 0 9 <0 5 1 6 0 7 - <br /> 09/11/95 1 18 -1305 1423 -- 1000 <1 0 <1 0 4 0 <1 0 <br /> 12/05/95 1 18 -1327 1445 -- 380 5 0 12 0 9 <0 5 - <br /> 03/18/96 1 18 -9 54 1072 -- 920 4 5 <0 5 13 <0 5 -- <br /> 06/18/96 1 18 -1160 1278 -- 230 <0 5 <0 5 <05 <0 5 11 <br /> 09/24/96 1 18 -1137 1255 -- 240 <0 5 <0 5 <0 5 <0 5 14 <br /> 12/04/96 1 18 -1104 1222 -- 200 <0 5 <0 5 <0 5 <0 5 24 <br /> 02/25/97 1 18 -690 8 08 -- 200 <0 5 <05 <0 5 0 8 13 <br /> 05/06/97 1 18 -780 898 -- 90 <05 <05 <0 5 <0 5 18 <br /> *Hydrocarbons were found in the range of gasoline,but do not resemble a gasoline fingerprint <br /> 9-4275 xis/#386845 13 As of 06/13/00 <br />