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I <br /> I <br /> Table 2 <br /> HISTORIC GROUNDWATER LEVELS AND CHEMICAL ANALYSIS RESULTS <br /> August 2003 Through November 2003 <br /> 76 Station 5886 <br /> Hate TOC Depth to LPH Ground- Change in TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water Elevation 8260B benzene Xylenes 8021B 9260B <br /> Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/l) (Ng/0 (µg/1) (µg/1) (µg11) (µel!) (}cell) (µg/l) <br /> MW-1 (Screen Interval in feet 50-250) <br /> 8/4/2003 -084 635 000 -719 -_ -- 720 ND<5 0 ND<5 0 ND<5 0 ND-<10 1100 <br /> 11/20/2003 -084 5 93 000 -677 042 -- 1700 ND<10 ND<10 ND<10 ND<20 2100 <br /> MW-2 (Screen Interval to feet 50-250) <br /> 8/4/2003 -030 666 000 -696 -- -- 68 ND<5 0 ND<5 0 ND<5 0 ND<1 0 120 <br /> 11/20/2003 -030 611 000 -641 0 55 - 97 ND<0 50 ND<0 50 ND<0 50 ND<1 0 120 <br /> MW-3 (Screen Interval in feet 50-250) <br /> 8/4/2003 -014 671 000 -6 85 -- - 110 ND<5 0 ND<5 0 ND<5 0 ND<1 0 160 <br /> 11/20/2003 -014 678 0 00 -692 -007 ND<50 NI)<1 50 ND<0 50 ND<0 50 ND<l 0 70 <br /> MW-4D (Screen Interval in feet 220-250) <br /> 8/4/2003 023 761 000 -738 — ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 -- 31 <br /> 11120/2003 023 7 12 000 -689 049 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 33 <br /> MW-4S (Screen Interval in feet 5 0-15 0) <br /> 8/4/2003 045 739 000 -694 -- — ND<50 ND<5 0 ND<5 0 ND<5 0 ND<l 0 - 2 3 <br /> 11/20/2003 04S 689 000 -644 050 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- NDQ 0 <br /> MW-513 (Screen Interval to feet 20 5-24 0) <br /> 8/4/2003 0 65 763 000 -699 -- -- ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 ND<2 0 <br /> 11/20/2003 0 65 7 10 000 -645 0 53 -- -- -- _ _ __ Monitored Only <br /> MW-5S (Sheen Interval in feet 5 0-15 0) <br /> 8/4/2003 025 722 000 -697 -- ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 -- ND<2 0 <br /> 11/20/2003 025 6 61 000 -636 061 -- -- — _ __ Monitored Only <br /> MW-6D (Screen Interval in feet 22 0-25 0) <br /> 8/4/2003 017 706 000 -689 -- ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 -- ND<2 0 <br /> 11/20/2003 017 661 000 -644 045 __ 88 3 3 10 21 6 9 -- ND<2 0 <br /> MW-6S (Screen Interval in feet 5 0-15 0) <br /> 8/4/2003 013 7 02 000 -689 — - ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 -- NDQ 0 <br /> 5886 Page 1 of 3 <br /> I <br />