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Table 1 SUMMARY OF GROUNDWATER LEVELS AND CHEMICAL ANALYSIS RESULTS November 24,2003 Former BP Oil 11195 Date TOC Depth to LPH Ground- Change in TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water Elevation 8260B benzene Xylenes 8021E 8260E Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg/l) (µg/l) (µg/1) (µg/1) (µg11) (µg/1) CC-WS (Screen Interval in feet:DNA) 11/24/03 -- 10.76 0.00 -- -- 81 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 72 MW-1 (Screen Interval in feet: 8.0-23.0) 11/24/03 14.42 10.85 0.00 3.57 0.26 -- 630 ND<5.0 ND<5.0 ND<5.0 ND<10 - 760 MW-2 (Screen Interval in feet: 8.0-23.0) 11/24/03 13.75 10.12 0.00 3.63 0.22 -- 740 ND<5.0 ND<5.0 ND<5.0 ND<10 - 690 MW-3 (Screen Interval in feet: 8.0-23.0) 11/24/03 14.37 10.72 0.00 3.65 0.27 -- 2300 ND<10 ND<10 ND<l0 ND<20 -- 2600 MW-4 (Screen Interval in feet: 9.5-24.5) 11/24/03 14.37 10.66 0.00 3.71 0.30 - 120 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 3.1 MW-5 (Screen Interval in feet: 9.5-245) 11/24/03 15.40 11.65 0.00 3.75 0.30 -- 2400 ND<13 ND<13 ND<13 ND<25 - 1900 MW-6 (Screen Interval in feet: 7.0-20.0) 11/24/03 12.90 9.36 0.00 3.54 0.21 -- ND<1000 ND<10 NIX 10 ND<10 45 -- 1600 MW-8 (Screen Interval in feet: 4.0-14.0) 11/24/03 13.61 9.84 0.00 3.77 0.26 - 1900 ND<10 ND<10 ND<10 ND<20 -- 1400 MW-9 (Screen Interval in feet: 5.0-15.0) 11/24/03 13.29 9.75 0.00 3.54 0.19 -- ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 160 MW-10 (Screen Interval in feet: 4.0-14.0) 11/24/03 12.01 9.18 0.00 2.83 0.25 ND<50 ND<0.50 0.64 ND<0.50 ND<1.0 -- 3.1 NIW-11 (Screen Interval in feet. 4.0-14.0) 11/24/03 12.08 8.21 0.00 3.87 0.32 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<l.0 -- ND<2.0 MW-12 (Screen Interval in feet: 4.0-14.0) 11/24/03 13.07 9.17 0.00 3.90 0.36 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 MW-13 (Screen Interval in feet: 6.0-21.0) �t�ss Page 1 oft