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• s • � <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through March 2005 <br /> Former 76 Station 6981 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water to 8260E benzene Xylenes 8021E 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) 441) (µg/1) (µg/1) (µg11) (µg/1) W/1) (µg/1) (µg11) <br /> MW-11 continued <br /> 06116/04 11 23 3367 000 -2244 -067 -- -- -- -- -- -- -- Damaged Well <br /> 09/20/04 It 23 3671 000 -2548 -3 04 -- -- -- -- -- -- -- unable to sample casing bent <br /> 12/30/04 11 23 35 93 000 -2470 0 78 -- -- -- - - -- -- unable to sample-casing bent <br /> 03/24/05 1123 34 44 000 -2321 149 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 Bent casing,grab sample <br /> collected <br /> MW-12 (Screen Interval in feet DIVA) <br /> 10/21/92 -- -- -- -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/13/93 -- -- -- -- -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 04/26/93 1098 5084 000 -3986 -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 07/26/93 1098 51 95 000 -4097 -1 11 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - <br /> 10/20/93 1098 5246 000 -4148 -051 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - <br /> 01/17/94 1098 4983 000 -38 85 2 63 420 8 8 5 5 24 100 - -- <br /> 02/28/94 1098 4866 000 -3768 1 17 ND<50 -- ND<0 5 ND<0 5 ND<0 5 1 6 -- - <br /> 04/25/94 1098 4764 000 -3666 102 ND<50 -- ND<0 5 0 89 ND<0 5 12 -- -- <br /> 07/25/94 1098 5019 000 -3921 -255 ND<50 - ND<0 5 052 ND<0 5 0 97 -- -- <br /> 10/26/94 1098 5142 000 -4044 -1 23 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/25/95 1098 4857 000 -3759 2 85 ND<50 -- ND<0 5 098 ND<0 5 1 2 -- -- <br /> 04/26/95 1098 44 14 000 -33 16 443 ND<50 -- 1 1 2 4 ND<0 5 2 6 -- -- <br /> 07/26/95 1098 4520 000 -3422 -106 ND<50 - ND<0 5 1 5 ND<0 5 1 3 -- -- <br /> 10/25/95 1098 4604 000 -35 06 -084 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/24/96 1098 43 06 000 -3208 298 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 04/25/96 1098 38 39 000 -2741 -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 Nil<40 -- Destroyed <br /> MW-13 (Screen Interval in feet DIVA) <br /> 10/21/92 -- -- -- -- -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 - -- <br /> 6981 Page 24 of 36 <br />