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0 0 C� <br /> Table 2 <br /> HISTORIC GROUNDWATER LEVELS AND CHEMICAL ANALYSIS RESULTS <br /> January 2000 Through January 2004 <br /> Former 76 Station 4409 <br /> Date TOG Depth to LPH Ground- Change in TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water Elevation 8260E benzene Xylenes 8021B 8260E <br /> Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (4g/1) (µg/l) (Ag/1) (µg/1) (µgll) (µg11) <br /> MW-1 (Screen Interval in feet 30 0-50 0) <br /> 4110/00 1144 2481 000 -1337 -- ND -- ND ND ND ND ND ND <br /> 7/5/00 1144 2579 000 -1435 -098 ND -- ND ND ND ND ND ND <br /> 10/10/00 1144 2786 000 -1642 -- ND - ND ND ND ND ND ND <br /> 1122101 1144 2767 000 -1623 0 19 ND - ND ND ND ND ND ND <br /> 4/5101 1144 2710 000 -1566 057 ND -- ND ND ND ND ND ND <br /> 715101 1144 2806 000 -1662 -096 ND -- ND ND ND ND ND ND <br /> 10/10/01 1144 30 19 000 -1875 -2 13 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 1/17/02 1144 2959 000 -1815 060 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<1 0 <br /> 4118/02 1144 28 86 000 -1742 073 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 7111102 1144 2993 000 -1849 -107 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 2 5 <br /> 11/14/02 1144 3271 000 -2127 -278 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 __ ND<2 0 <br /> 1130/03 1144 3183 000 -2039 088 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 4128/03 1144 3103 000 -19 59 080 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 33 <br /> 7128103 1144 3254 000 -21 10 -151 -- - - -- -- - -- -- <br /> 10/8/03 1144 3409 000 -2265 -155 -- ND<50 ND<0 50 ND<0 50 ND<0 50 1 3 -- 46 <br /> 1/12/04 1144 3348 000 -22 04 0 61 -- 100 ND<1 0 ND<1 0 ND<1 0 ND<2 0 -- 80 <br /> MW-2 (Screen Interval in feet 25 0-45 0) <br /> 1/5/00 1268 2970 000 -1702 -- ND -- ND ND ND ND -- ND <br /> 4/10/00 1268 2736 000 -1468 234 ND -- ND ND ND ND ND ND <br /> 715100 1268 2722 000 -1454 0 14 ND -- ND ND ND ND ND ND <br /> 10/10/00 1268 2931 000 -1663 -- ND -- ND ND ND ND ND ND <br /> 1/22/01 1268 29 15 000 -1647 0 16 ND -- ND ND ND ND 328 ND <br /> 415/01 1268 2860 000 -1592 055 ND -- ND ND ND ISTD ND ND <br /> 715101 1269 2952 000 -1684 -092 ND -- ND ND ND ND ND ND <br /> 10/10/01 1268 31 68 000 -1900 -2 16 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 4409 Page 1 of 6 <br />