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Table 2 <br /> HISTORICAL GROUNDWATER SAMPLE ANALYSES <br /> April 1991 — Present <br /> (in parts per billion) <br /> SAMPLE SAMPLE ETHYL--- TOTAL ORGANIC <br /> 1 D DATE TPH—G BENZENE TOLUENE BENZENE XYLENES LEAD* LEAD EDB <br /> MW-1 04/18/91 -- -- -- -- -- — -- <br /> 02/21/92 -- -- — — -- -- -- -- <br /> MW-2 04/18/91 110,000 21,000 28,000 34,000 18,000 121 <50 58 <br /> 02/21192 140,01D0 20.000 20,000 3.8001 19.000 310 — <br /> MW-3 04/18/91 — — -- -- — -- -- -- <br /> 02/21/92 -- -- — -- -- -- — -- <br /> MW-4 04118/91 — - -- -- — — — — <br /> 02/21/92 -- -- — — -- — <br /> MW-5 04/18/91 49 000 4,100 24 2,700 6200 35 <50 <0 02 <br /> 02/21/92 -- — -- -- -- -- -- -- <br /> MW-6 04/18/91 130 4 2 07 2 11 <50 <0 02 <br /> 02/21/92 -- -- -- — - — -- -- -- <br /> MW-7 04/18/94 32,000 9,100 5,200 1,100 5,100 15 <50 96 <br /> 02/21/92 30,000 6 500 2,800 610 3,400 36 -- <br /> MW-8 04118/91 <10 <03 <03 <03 <06 <5 <50 <0 02 <br /> 02/21/92 <30 <030 <0 30 <0 30 <0 30 68 -- — <br /> MW-9 04/18/91 -- -- — -- -- -- — <br /> 02/21/92 —— —— — — —— —— ——MW-110 04/18/91 <10 <03 <03 <03 <06 17 <50 <0 02 <br /> 02/22/92 <30 <0 30 <0 30 <0.30 <0 30 87 -- -- <br /> MW--11 04/18/91 <10 <03 <03 <03 <06 14 <50 <002 <br /> 02/21/92 <30 <0 30 <0 30 <0 30 <0 30 82 — <br /> MW-12 04/48/91 <10 <03 <03 <03 <06 15 <50 <002 <br /> 02/21/92 <30 <0 30 <0 30 <0.30 <0 30 0 017 — <br /> MW-13 04/18/91 <10 <03 <03 <03 <06 <5 <50 <002 <br /> 02/21/92 <30 <030 <030 <030 <0 30 0 037 - — -- <br /> i <br /> MW-14 04/18/91 <10 <03 <0 3 <0 3 <0 6 <5 <50 <0 02 <br /> 02/21/92 <30 <0 30 <0 30 <0 30 <0 30 67 , <br /> — -- <br /> EXPLANATION <br /> TPN—G=Total petroleum hydrocarbons—as—gasoline <br /> EDB= 1,2—Dibromoethane <br /> —— = Not analyzed <br /> •in parts per tnillian(ppm oryg/L) QP� <br /> see laboratory report for method detection limits <br /> GSATAB2 Wl.l <br /> i <br /> GROUNDWATER <br /> TECHNOLOGY <br />