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TaMand <br /> • <br /> Groundwater Monitoring Analytical Results <br /> Chevron Service Station#9-1848 <br /> 1257 Yosemite Avenue <br /> Manteca,California Analytical Results are in parts per billion(ppb) <br /> Vertical Measurements are in feet <br /> Total <br /> well Ground Depth <br /> DATE Head Water To Notes TPH- TPI-4- Benzene Toluene Ethyl- Xylenes MTBE Oil & <br /> Elev Elev Water Diesel Gasoline Benzene Grease <br /> C-1(cont) <br /> 11/20/97 2736 1250 1486 -- <50 <0 5 <0 5 <0 5 <05 3 9 - <br /> 02/10198 2736 1363 1373 -- - <50 <05 <0 5 <0 5 <0 5 <2 5 - <br /> 05/20/98 2736 1602 1134 -- - l 10 062 <0 5 32 <0 5 46 - <br /> 08/10/98 2736 1514 1222 -- -- 270 <0 5 <0 5 15 <0 5 5 7 <br /> 11/18/98 2736 1500 1236 -- - <50 <05 <0 5 <0 5 <0 5 <2 5 - <br /> 02/18/99 2736 1564 1172 -- <50 <0 5 <05 <0 5 <0 5 <5 0 <br /> 05/25/99 2736 1543 1193 -- -- <br /> 89 <0 5 <0 5 077 <0 5 58 <br /> 08111l99 2736 1391 1345 -- 123 1 36 0 703 106 <0 5 5 13 <br /> 11/23/99 2736 1361 1375 -- -- <50 <0 5 <0 5 <05 <05 <2 5 <br /> 02102/00 2736 1395 1341 -- -- 220 <05 <0 5 <0 5 <0 5 <2 5 <br /> 05/18/00 27 36 1465 12.71 -- <50 <0 50 <0 50 <0 50 <0 50 <25 -- <br /> C-2 <br /> 07/29/91 2710 898 18 12 - 70 710 0 8 1 1 15 71 - <5000 <br /> 10/29/91 2710 1031 1679 -- -- 680 16 0 9 16 44 -- -- <br /> 01124l92 27 10 1168 1542 -- -- 1700 34 <0 5 72 33 - <br /> 04/17/92 2710 1202 1508 -- -- 3400 100 <5 0 170 44 <br /> 10/07/92 2710 875 1835 -- 180 19 <0 5 4 5 1 8 <br /> 1 t/17192 27 l0 9 88 1722 -- -- <50 0 9 0 5 18 2 1 - - <br /> 02/20/93 2710 1290 1420 -- - <50 <0 5 <0 5 <0 5 <0 5 <br /> 05/19/93 2710 1164 1546 - -- 900 22 0 9 23 34 - - <br /> 08/26/93 27 10 794 1916 -- -- <50 <0 5 <0 5 <0 5 <1 5 -- - <br /> 11/22/93 2710 1075 1635 -- <50 0 9 <0 5 <0 5 0 6 - -- <br /> 9-1848 xW*386392 2 As of 05/18/00 <br />