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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through June 2005 Former BP Oil 11195 Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B EIevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg11) (µg11) (µg/l) (µg/1) (µg/1) (µg11) MW-0 continued 01/15/98 9,03 9.37 0.00 -0,34 1.22 19000 - 7.3 ND ND ND 18000 -- 05/07/98 9.03 6.30 0.00 2.73 3.07 1100 -- ND ND ND ND 1100 -- D 05/07/98 9.03 6.30 0,00 2,73 3.07 19000 - 6.6 ND ND ND 18000 -- 09/03/98 9.03 8.58 0.00 0.45 -2,28 2400 -- ND ND 2.8 ND 680 - 09/15/98 14.32 8.75 0.00 5.57 5.12 590 -- ND 3.4 ND ND -- 990 12/23/98 9.03 9.09 0.00 -0.06 -5.63 34000 -- ND ND ND ND 36000 -- 12/31/98 9.03 9.10 0.00 -0.07 -0.01 29000 -- ND ND ND ND 40000 - 03/22/99 9.03 7.85 0.00 1.18 1.25 4600 -- ND ND ND ND 4400 -- 05/20/99 9.03 7.90 0.00 1.13 -0,05 178 -- ND ND ND ND 3120 8230 08/11/99 9.03 9.42 0.00 -0.39 -1.52 297 -- ND ND ND ND 437 580 11/19/99 9,03 -- -- -- -- -- -- -- -- -- -- -- -- Inaccessible Paved Over 02/22/00 9.03 7.25 0.00 1.78 -- 120 - 1.59 ND ND ND 333 382 05/05/00 9.03 7.54 0.00 1.49 -0.29 ND -- ND ND ND ND 151 302 08/28/00 9.03 9.08 0.00 -0.05 -1.54 61.2 - 1.53 ND ND ND 27.6 29.7 11/13/00 9.03 9.40 0.00 -0.37 -0.32 ND -- ND ND ND ND 13.1 11 02/09/01 9.03 9.24 0.00 -0.21 0.16 66.6 ND ND ND ND 14 22.1 05/11/01 9,03 9.21 0.00 -0,18 0.03 313 -- 2.05 0.702 ND 2.1 7.92 12.8 08/10/01 9.03 10.23 0.00 -1.20 -1.02 110 -- 1.7 1.9 ND<0.50 1.4 15 16 11/21/01 9.03 10.82 0.00 -1.79 -0.59 ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 95 110 02/07/02 9.03 8.79 0.00 0.24 2.03 130 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 200 120 05/23/02 9.03 9.67 0.00 -0.64 -0.88 -- 120 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 86 08/15/02 14.37 10.12 0.00 4.25 4.89 -- 210 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 52 11/18/02 14.37 10,59 0.00 3.78 -0.47 -- 55 ND<0.50 0.66 ND<0.50 ND<1.0 -- 42 02/13/03 14.37 9.83 0.00 4.54 0.76 - 67 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - 14 11195 Page 9 of 25 � ��'.i.i'=tTl.'--amu_.�,.�..��...L.�__..�.,w�a.i.�..�.4.,..�«...'44L��.1'C•_.:v._L__4__ _��,.�.��.��L.i_.�...��..�...�..i. �..... .iii ....Li.�.�...___«._.._--._1�.�:T�.' : .:_.i.....�..�..a_...�_.�i.u.u�.i �.� -_ .L.u. � uu��_. i��'ia�'....