Laserfiche WebLink
• • i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through March 2005 <br /> Former 76 Station 6981 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene 'Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg11) (µg/1) (µg11) (µg11) (µg11) (µg11) <br /> MW-16 continued <br /> 09/12/01 1220 31 55 000 -1935 -1 86 1400 -- 47 ND<5 0 22 85 110 190 <br /> 12/12/01 1220 31 82 000 -1962 -027 5600 -- 160 ND<5 0 72 270 210 250 <br /> 03/20/02 1220 3178 000 -1958 004 1800 -- 230 ND<5 0 45 67 210 230 <br /> 06/06/02 1220 3103 000 -1883 0 75 -- 2000 290 ND<5 0 69 88 -- 120 <br /> 09/30/02 1220 3360 000 -21 40 -257 -- 55 5 6 ND<0 50 12 1 6 -- 3 <br /> 12/30/02 1220 33 15 000 -2095 045 -- ND<50 053 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 03/29/03 1220 32 12 000 -1992 1 03 -- 200 38 061 2 2 3 4 -- 89 <br /> 06/25/03 1220 3242 0 00 -2022 -030 220 24 057 3 2 5 6 -- 43 <br /> 09/24/03 1220 34 81 000 -2261 -239 -- 140 25 068 3 3 5 3 -- 28 <br /> 12/30/03 1220 3431 000 -22 11 050 -- 200 32 ND<2 0 5 6 9 6 -- 22 <br /> 03/09/04 1220 33 43 000 -21 23 0 88 -- 150 29 0 71 5 9 10 -- 16 <br /> 06/16/04 1220 34 03 000 -21 83 -060 -- 280 35 ND<2 5 7 8 14 -- 16 <br /> 09/20/04 1220 -- -- __ -- __ -- -- -_ -- Dry well <br /> 12/30/04 1220 3635 000 -24 15 -- 110 -- 10 ND<0 50 4 0 7 1 - 12 <br /> 03/24/05 1220 3500 000 -22 80 1 35 120 -- 18 ND<0 50 3 8 5 6 <br /> PTW-1 (Screen Interval in feet 52 5-72 5) <br /> 01/25/99 -- 28 91 -- - -- ND<50 -- ND<0 50 ND<0 50 ND<0 50 1 5 9 4 8 4 <br /> 04/19/99 -- 2642 -- - -- ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 4 2 3 4 <br /> 07/15/99 -- 2792 -- -- ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 10/25/99 -- 2949 -- -- - ND<50 -- ND<0 50 0 85 ND<0 50 1 1 ND<2 5 ND<2 0 <br /> 01/27/00 -- 2897 -- -- -- ND<50 - ND<0 50 0 6 ND<0 50 1 1 ND<2 5 ND<2 0 <br /> 06/26/00 26 23 -- -- -- ND<50 0 -- ND<o 500 0 904 rD<0 Sao 0 955 ND<5 0 4 75 <br /> 09/22/00 11 88 2876 000 -16 88 -- ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 12/26/00 11 88 2865 0 00 -1677 0 11 ND<50 0 -- >~D<o 500 rm<a 500 tsa<0 500 ND<)500 ND<5 0 ND<2 0 <br /> seal Page 28 of 36 <br />