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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through December 2004 <br /> Former 76 Station 6981 <br /> Date TQC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (119/1) (90) (µ9/l) (µ911) (9911) 4411) (119/1) <br /> MW-12 continued <br /> 01/17/94 1098 4983 000 -3885 2 63 420 — 88 55 24 100 -- -- <br /> 02/28/94 1098 4866 000 -3768 1 17 ND<50 -- ND<O 5 ND<O 5 ND<O 5 16 — -- <br /> D4/25/94 1098 4764 000 -3666 1 02 ND<50 -- ND<O 5 089 ND<O 5 12 — -- <br /> 07/25/94 1098 5019 000 -3921 -255 ND<50 -- ND<O 5 052 ND<O 5 097 - -- <br /> 10/26/94 1098 5142 000 -4044 -123 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 01/25/95 1098 4857 000 -3759 285 ND<50 -- ND<O 5 098 ND<O 5 12 -- -- <br /> 04/26/95 1098 4414 000 -3316 443 ND<50 -- 1 1 24 ND<O 5 26 -- — <br /> 07/26/95 1098 4520 000 -3422 -106 ND<50 -- ND<0 5 1 5 ND<O 5 13 -- -- <br /> 10/25/95 1098 4604 000 -3506 -094 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 —01/24/96 1098 4306 000 -3208 298 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- — <br /> 04/25/96 1098 3839 000 -2741 — ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<40 -- Destroyed <br /> MW-13 (Screen Interval In feet.DNA) <br /> 10/21/92 -- — — -- -- ND<50 -- NDN 5 ND<O 5 ND<O 5 ND<O 5 -- — <br /> 01/13/93 -- -_ -- -- — ND<50 __ ND<0 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 04/26/93 1152 51 15 000 -3963 -_ ND<50 -- ND<0 5 ND<O 5 ND<O 5 NDN 5 -- -- <br /> 07/26/93 1152 5221 000 -4069 -106 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 10/20/93 1152 5274 000 -4122 -053 N11<50 — ND<O 5 ND<O 5 ND<D 5 ND<O 5 -- — <br /> 01/17/94 1152 5019 000 -3867 255 180 — 23 2 9 39 — — <br /> 02/28/94 1152 4905 000 -3753 1 14 ND<50 -- ND<O 5 ND<O 5 ND<O 5 093 -- -- <br /> 04/25/94 1152 4802 000 -3650 103 ND<50 — ND<O 5 081 ND<4 5 14 — — <br /> 07/25/94 1152 5051 000 -3899 -249 ND<50 -- NDN 5 NDN 5 ND<O 5 ND<O 5 — — <br /> 10/26/94 1152 5174 000 -4022 -123 ND<50 -- NDN 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 01/25/95 1152 4893 000 -3741 281 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<0 5 -- -- <br /> 04/26/95 1152 4417 000 -3265 476 ND<50 -- 055 21 ND<0 5 21 — -- <br /> eget Page 24 of 35 <br />