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Tab <br /> • Groundwater Monitoring Tab <br /> Analytical Results <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Halt Drive ` <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 <br /> 03/11/92 3 14 -1410 1724 <br /> 03/17/92 3 14 -1401 1715 - ND ND ND ND ND - <br /> 06/29/92 3 14 -1599 19 13 -- ND ND ND ND ND <br /> 12/10/92 314 -1646 1960 ND ND ND ND ND <br /> 02/04/93 3 14 -1439 1753 -- ND ND ND ND ND -- <br /> 05/18/93 3 14 -1252 1566 -- ND ND ND ND ND -- <br /> 08/05/93 3 14 -1342 1656 -- ND ND ND ND ND <br /> 11/09/93 3 14 -1415 1729 -- ND ND ND ND ND <br /> 01/18/94 3 14 -1354 1668 ND ND ND ND ND - <br /> 06/27/94 3 14 -1313 1627 - ND ND ND ND ND <br /> 09/29/94 3 14 -1433 1747 - ND ND ND ND ND - <br /> 12/06/94 3 14 -1402 17 16 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 03/08/95 3 14 -1188 1502 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 06/01/95 3 14 -1037 1351 -- <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 09/11/95 3 14 -1223 1537 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 12/05/95 3 14 -1276 1590 <50 <0 5 <0 5 <0 5 <0 5 <br /> 03/18/96 3 14 -912 1226 -- <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 06/18/96 3 14 -913 1227 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 09/24/96 3 14 -1094 1408 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 12/04/96 3 14 -1062 1376 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 02/25/97 3 14 -661 9 75 - 80 <0 5 <0 5 <0 5 12 <5 0 <br /> 05/06/97 3 14 -7 62 10 76 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 09/29/97 3 14 -1034 1348 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 11/25/97 3 14 -1026 1340 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 03126198 3 14 -406 720 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 06/24/98 3 14 -586 9 00 -- <50 <0 5 <0 5 <0 5 <0 5 4 8 <br /> 9-4275 xls/#386845 12 As of 06/13/00 <br />