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1 <br /> TABLE 4 <br /> • Historical Groundwater Treatment System Influent and Effluent Water Analysts <br /> November 1993 -Present <br /> (Results in micrograms per liter-ug/L unless otherwise noted) <br /> Golden Grain Company <br /> Manteca Bean Facility <br /> 229 Moffat Boulevard, Manteca, California <br /> Sample Sample Ethyl- Total Total Organic <br /> 1D Date TPH-g Benzene Toluene benzene Xylenes Lead* Lead* ED13 <br /> Inf 11/11/93 170 79 17 6 29 < 005 < 010 <002 <br /> 02 17/94 130 27 1 7 5 15 < 005 < 010 <002 <br /> 05119/94 140 3 8 13 13 4 0 < 005 < 010 <002 <br /> 08/18/94 68 15 3 2 31 9 4 < 005 < 010 <0 02 <br /> 11/17/95 51 7 4 0 5 1 5 26 < 005 <010 <002 <br /> 02/16/95 22 41 <03 0 5 14 < 005 < 010 <0 02 <br /> 05/18/95 <50 15 <03 16 4 < 005 <010 <002 <br /> 07/27/95 <100 66 <10 <1 0 <20 — - — <br /> 08/04/95 <50 11 <03 08 1 2 <br /> 08/08/95 <50 99 09 1 2 5 2 <br /> 08/1!Z95 80 76 <03 09 33 < 005 < 010 <0 02 <br /> 11/16/95 <50 4 <05 0 7 <2 <004 <02 <0 02 <br /> • 2/20/96 <50 <05 <05 <05 <2 <004 <02 <5 <br /> Eff 11/11/93 11 0 5 < 3 < 3 < 5 007 < 010 <002 <br /> 02/17/94 <10 <03 <03 <03 <05 < 005 < 010 <002 ' <br /> 05/1994 <10 <03 <03 <03 <05 < 005 < 010 <002 <br /> 08/18/94 <10 <03 <03 <03 <05 1 < 005 < 010 <002 <br /> 11/17/95 <10 <03 <03 <03 <05 < 005 < 010 <002 <br /> 02/16/95 <10 <03 <03 <03 <05 < 005 < 010 <002 <br /> 05/18/95 <50 <03 <03 <03 <05 < 005 < 010 <0_02 <br /> 07/27/95 <100 <05 <1 0 <1 0 <20 <br /> 08/04/95 <50 <03 <03 <03 <05 <br /> 08/08/95 <50 <03 <03 <03 <05 <br /> 08/17/95 <50 <03 <03 <03 <05 < 005 < 010 <0 02 <br /> 11/16/95 <50 <05 1 <05 <05 <2 <004 <02 <0 02 <br /> 2/20/96 <50 1 <05 <05 1 <05 <2 <0 04 <02 <5 <br /> TPH-g = total petroleum hydrocarbons as gasoline <br /> * = total lead and organic lead results reported in milligrams per liter(mg/L) <br /> EDB = ethylene dibromide (1,2-dibromoethane) <br /> — = not analyzed <br /> AS = air stripper <br /> Inf = Influent <br /> ** = groundwater treatment system modified from air stripper to liquid-phase carbon prior to 07/27/95 sampling <br /> Eft = effluent <br /> . (See laboratory report for method detection limits) <br /> 42020213 051 <br /> Ej[:]o TROUNDWATER <br /> ECHNOLOGY <br />