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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Thorough August 2004 <br /> 11 <br /> Former BP Oil 11192 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260E benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) I (gg/1) (µg11) (µg11) (µg11) (µgll) (ug/1) <br /> MW-8 <br /> 08/16/01 479 1353 000 -874 -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 11/09/01 479 1451 000 -972 — ND<50 -- ND<O 50 ND<O 50 ND<0 50 ND<O 50 ND<5 0 ND<l 0 <br /> 02/18/02 479 1242 000 ..7 63 -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 05/31/02 479 1261 000 -782 -019 -- ND<50 ND<O 50 ND<O 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 08/08/02 4 79 1394 000 -9 15 -- -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<0 50 ND<0 <br /> 11/15/02 479 15 18 000 -1039 -124 -- ND<50 ND<O 50 055 ND<0 50 ND<O 50 -- ND<2 0 <br /> 01/03/03 479 1422 000 -9 43 096 ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 05/14/03 479 1348 000 -869 074 — ND<50 ND<O 50 ND<0 50 ND<O 50 ND<O 50 -- ND<2 0 <br /> 08/14/03 4 79 1496 000 -1017 -148 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 — ND<2 0 <br /> 11/26/03 4 79 1583 000 -1104 -087 -- ND<50 ND<0 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 02/23/04 4 79 1435 000 -956 148 -- ND<50 ND<O 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 05/21/04 479 14 00 000 -921 035 ND<50 ND<O 50 ND<0 50 ND<0 50 ND<1 0 -- ND<O 50 ' <br /> 08/10/04 4 79 15 19 000 -1040 -119 ND<50 ND<0 50 ND<0 50 ND<O 50 ND<10 -- ND<O 50 <br /> MW-9 <br /> 08/16/01 426 1336 0 00 -910 — ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<0 50 ND<2 5 ND<2 0 <br /> 11/09/01 426 1432 000 -1006 — ND<50 -- NNO 50 ND<O 50 ND<O 50 ND<O 50 16 13 <br /> 02/18/02 426 1233 000 -807 -- ND<50 -- ND<O 50 ND<0 50 ND<O 50 ND<0 50 ND<5 0 27 <br /> 05/31/02 426 1256 000 .830 -023 -- ND<50 ND<O 50 ND<0 50 ND<0 50 ND<1 0 — 22 <br /> 08/08/02 426 1387 000 -961 -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 2 <br /> 11/15/02 426 1500 000 -1074 -1 13 -- ND<50 ND<O 50 13 ND<O 50 056 -- 14 <br /> 01/03/03 426 1420 000 -994 080 -- ND<50 ND<O 50 ND<0 50 ND<0 50 ND<1 0 -- 30 <br /> 05/14/03 426 1327 000 -901 0 93 -- ND<50 ND<O 50 ND<O 50 ND<0 50 ND<0 50 -- ND<2 0 <br /> 08/14/03 426 1481 0 00 -1055 -154 -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 11/26/03 4 26 1572 0.00 .1146 -091 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 11192 � Page 130 <br />