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TABLE 3 <br /> GROUNDWATER MONITORING WELL <br /> LABORATORY RESULTS <br /> 1991 THROUGH 1993 <br /> (Results in parts per billion) <br /> Ethyl- TPH'as <br /> Welt lD Sample Date Benzene Toluene penzerte Xylenes Gasoline <br /> MW-17C 01/12/90 <br /> 01/25/90 -- -- -- -- <br /> 02/09/90 -- -- -- -- <br /> 02/21/90 <0.5 <0.5 <0.5 1.0 12 <br /> 04/04/90 <0.5 <0.5 <0.5 1.0 11 <br /> 05/01/90 <0.5 X0.5 <0.5 1.0 14 <br /> 06/01/90 -- -- -- -- -- <br /> 07/19/90 <0.3 <0.3 <0.3 <0.6 <1.0 <br /># 08/24/90 -- -- -- -- -- <br /> 09/24/90 -- -- -- -- -- <br /> 10/23/90 <0.3 <0.3 <0.3 <0.6 <1.0 <br /> 11/27/90 -- -- -- -- -- <br /> 12/28/90 -- -- -- -- <br /> 02/21/91 <0.3 <0.3 <0.3 <0.6 <1 <br /> 05/27/91 <0.3 <0.3 <0.3 <0.6 <10 <br /> 08/26/91 <0.3 <0.3 <0.3 <0.6 <10 <br /> 11/26/91 <0.3 <0.3 <0.3 <0.5 <10 <br /> 03/30/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 06/29/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 07/30/92 - - -- -- <br /> 09/30/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 12/23/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 04/02/93 <0.3 <0.3 <0.3 <0.5 <10 <br /> MW-18 11/26/91 <0.3 <0.3 <0.3 <0.5 <10 <br /> 03/30/92 X0.3 <0.3 <0.3 <0.5 <10 <br /> 06/29/92 1 1 0.7 2 19 <br /> 07/30/92 <0.3 <0.3 <0.3 <0.5 <10 i <br /> 09/30/92 <0.3 <03 <0.3 <0.5 <10 <br /> 12/23/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 04/02/93 <0.3 <0.3 <0.3 <0.5 <10 <br /> MW-19 11/26/91 <0.3 <0.3 <0.3 <0.5 <10 <br /> 03/30/92 --. -- -- -- -- <br /> 06/29/92 <0.3 <0.3 <0.3 i <0.5 <10 <br /> 07/30/92 -- -- -- -- -- <br /> 09/30/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 12/23/92 <0.3 <0.3 <0.3 <0.5 <10 <br /> 04/02/93 <0.3 <0.3 <0.3 <0.5 <10 <br /> 1217Tae3.sLL Page 13 of 17 <br /> ® <br /> GROUNDWATER <br /> TECHNOLOGY <br />