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. Tabu . - <br /> Groundwater Monitoring D nd Analytical Results <br /> Chevron Service Station#9-1848 <br /> 1257 Yosemite Avenue <br /> Vertical Measurements are in feet Manteca,California Analytical Results are in parts per billion(ppb) <br /> Well Ground Depth Total <br /> DATE Head Water To TPH- TPH- Benzene Toluene Ethyl- Xylenes MTBE Oil& <br /> Eiev Elev Water Diesel Gasoline Benzene Grease <br /> C-1 <br /> 07/29/91 2762 1033 17 29 -- 1100 92 2 9 3 8 35 - <br /> 10/29/91 2762 1051 1711 -- 320 42 0 8 11 4 3 <br /> 01/24/92 2762 1197 15 65 - 280 8 8 <0 5 3 7 2 1 <br /> 04/17/92 27 62 1220 1542 -- 360 9 0 <0 5 5 8 0 5 <br /> 10/07/92 2762 946 18 16 -- 410 37 10 5 6 1 0 11/17/92 2762 1036 1726 -- 71 7 5 <0 5 2 8 0 7 <br /> 02/20/93 2762 1340 1422 - 200 14 <0 5 4 2 1 5 <br /> 05/19/93 2762 1249 15 13 - 580 16 1 5 25 3 3 <br /> 08/26/93 2762 890 1872 190 4 3 1 3 18 <1 5 <br /> 11/22/93 2762 11 17 1645 - <50 2 3 <0 5 2 1 <0 5 <br /> 02/02/94 2762 1290 1472 -- 1000 27 6 1 64 47 <br /> 05/10/94 2762 1269 1493 -- 154 2 1 2 0 1 8 0 6 <br /> 08/16/94 2762 8 69 1893 - 540 4 2 29 18 6 1 <br /> 11/10/94 27 62 11 42 1620 - 340 9 8 13 22 2 7 <br /> 02/24/95 2762 1372 1390 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 05/16/95 2762 14 12 1350 -- 130 1 7 0 5 7 1 1 4 <br /> 08/25/95 27 62 982 1780 -- 300 2 1 0 6 44 2 7 <br /> 12/01/95 2736 1064 1672 -- 300 10 <0 5 17 2 2 <br /> 02/07/96 2736 1282 14 54 -- 100 10 <0 5 0 5 <0 5 -- <br /> 05/10/96 2736 1236 1500 - 130 <05 <05 58 <05 68 <br /> 08/22/96 2736 958 1778 -- <500 <5 0 <5 0 <5 0 <5 0 <50 <br /> 11/06/96 2736 11 6 1572 -- 470 15 16 5 4 23 5 8 <br /> 02/28/97 2736 1404 1332 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 05/21/97 2736 13 64 1372 -- 880 4 6 0 6 81 33 78/7 6i <br /> 08/26/97 2716 11 50 15 86 -- 140 <0 5 <0 5 056 <0 5 6 4 <br /> 11/20/97 2736 1250 1486 -- <50 <0 5 <0 5 <0 5 <0 5 3 9 -- <br /> 9-1848 xis/#186192 1 As of 08/03/00 <br />