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Table 1 SUMMARY OF GROUNDWATER LEVELS AND CHEMICAL ANALYSIS RESULTS May 21,2004 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 8260B Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (41) (Ag/1) (n/1) (µgll) (41) (µg11) CC-WS (Screen Interval in feet:DNA) 5/21/2004 -- 10.62 0,00 -- -- - ND<50 ND<0,50 ND<0.50 ND<0.50 ND<1.0 -- 22 MW-1 (Screen Interval in feet:8.0-23.0) 5/21/2004 14,42 10.75 0,00 3.67 -0,80 -- ND<50 ND<0.50 ND<0,50 ND<0.50 ND<1.0 -- 6.4 MW-2 (Screen Interval in feet: 8.0-23.0) 5/21/2004 13.75 9.98 0.00 3.77 -0.65 -- 57 ND<0.50 ND-<0.50 ND<0.50 ND<1,0 - 55 MW-3 (Screen Interval in feet:8A-23.0) 5/21/2004 14,37 10.59 0.00 3.78 -0.68 - ND<1000 ND<I0 ND<10 ND<10 ND<20 -- 1000 MW-4 (Screen Interval in feet:9.5-24.5) 5/21/2004 14.37 10.49 0.00 3.88 -0.62 - 130 ND<0.50 ND<0.50 ND<0.50 ND<1.0 0.58 MW-5 (Screen Interval in feet:9.5-24.57 5/21/2004 15.40 11.56 0.00 3.84 -0.77 -- ND<250 ND<2,5 ND<2.5 ND<2.5 ND<5,0 -- 320 MW-6 (Screen Interval in feet: 7.0-20.0) 5/21/2004 12.90 9,20 0.00 3.70 -0.61 - 53 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 34 MW-8 (Screen Interval in feet: 4.0-14.0) 5/21/2004 13,61 9.62 0.00 3.99 -0.55 -- ND<1000 ND<10 Nb<10 ND<l0 ND<20 -- 1300 MW-9 (Screen Interval in feet:5.0-15.0) 5/21/2004 13.29 9.60 0.00 3.69 -0.59 - 66 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 93 MW-10 (Screen Interval in feet:4A-14.0) 5/21/2004 12.01 9.82 0.00 2.19 -1.69 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.98 MW-11 (Screen Interval in feet: 4.0-14.0) 5/21/2004 12.08 8.11 0.00 3.97 -0.77 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 -- 0.88 MW-12 (Screen Interval in feet: 4.0-14.0) 5/21/2004 13.07 9.09 0.00 3.98 -0.78 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 MW-13 (Screen Interval in feet:6.0-21.0) 11195 Page 1 of 2