ARCHIVED REPORTS_XR0011442 - Laserfiche WebLink

Home Browse Search

Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through August 2005 Former BP Oil 11195 Date 1'0C Depth to LPH Ground- Change 'I'PH-G TPPH Benzene Toluene Ethyl- 'Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260B benzene Xylenes 802113 826013 Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) Otgll) (µg/1) Gtg11) (µg11) (µg11) (µg11) MW-15 continued 08/26/04 12.92 12.29 0.00 0.63 -0.66 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 2.5 11/29/04 12.92 12.66 0.00 0.26 -0.37 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 7.3 02/15/05 12.92 11.47 0.00 1.45 1.19 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 2.5 05/25/05 12.92 11.03 0.00 1.89 0.44 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 5,2 08/31/05 12.92 10.97 0.00 1.95 0.06 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.89 MW-16 (Screen Interval in feet:5.0-20.0) 06/18/02 12.92 11.94 0.00 0,98 -- - ND<1000 ND<10 ND<10 ND<10 ND<20 -- 2300 08/15/02 12.92 12.07 0.00 0.85 -0.13 ND<2500 ND<25 ND<25 ND<25 ND<50 - 2400 11/18/02 12.92 12.43 0.00 0.49 -0.36 - ND<2500 ND<25 ND<25 ND<25 ND<50 -- 2700 02/13/03 12.92 11.63 0.00 1.29 0.80 -- ND<1000 ND<10 ND<10 ND<10 ND<20 - 1700 05/12/03 12.92 11.83 0.00 1.09 -0.20 -- ND<5000 ND<50 ND<50 ND<50 ND<100 I900 08/28/03 12.92 12.74 0.00 0.18 -0.91 -- 810 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 1000 11/24/03 12.92 12.45 0.00 0.47 0.29 340 ND4,5 ND<2.5 ND<2.5 ND<5.0 -- 270 02/26/04 12.92 11.72 0.00 1.20 0.73 -- ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 _- 290 05/21/04 12.92 1260 0.00 0.32 -0.88 ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 140 08/26/04 12.92 13.26 0.00 -0.34 -0.66 -- 260 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 240 11/29/04 12.92 13,59 0.00 -0.67 -0.33 - 1100 ND<1.0 ND<1.0 ND<1.0 ND<2,0 - 1400 02/15/05 12.92 12,43 0.00 0.49 1.16 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 __ 160 05/25/05 12.92 11.99 0.00 0.93 0.44 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 _ 12 08/31/05 12.92 12.09 0.00 0.83 -0.10 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 7.4 MW-17 (Screen Interval in feet: 5.0-20.0) 06/18/02 13.76 9.69 0.00 4.07 -_ __ ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 28 08/15/02 13.76 9.88 0.00 3.88 -0.19 -- 280 ND<2.5 ND<2,5 ND<2.5 ND<5.0 -- 270 11/18/02 13.76 10.21 0.00 3.55 -0.33 - ND<50 ND<0.50 ND<0,50 ND<0.50 ND<1.0 71 11195 Page 23 of 26