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i <br /> TABLES <br /> Historical Groundwater Treatment System Influent and Effluent Water Analysis <br /> ' September 1992-May 1996 <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 /> ID Date TPH-g Benzene Toluene benzene Xylenes Lead* Lead* EDB <br /> Eff 09/22/92 <50 <05 <05 <05 <05 <5 000 -- — <br /> ' 09/28/92 <50 073 150 <05 140 <0005 — <br /> 10/06/92 <50 <05 <05 <05 <05 0 018 <br /> 10 13 92 <50 <05 <05 <05 <05 0029 = Y <br /> 12/03/92 <30 <03 <03 <03 <03 0 006 <br /> 02 18 93 <10 <03 <03 <03 <05 <005 < 010 <0 02 <br /> 05/14/93 <br /> 08/18/93 <10 <03 <03 <03 <05 0011 < 010 <002 <br /> 11/11/93 11 - 05 < 3 < 3 < 5 7 <10 <002 <br /> 02/17/94 <10 <03 <03 <03 <05 <005 < 010 <0 02 <br /> 05/19/94 <10 <03 <03 <03 <05 < 005 < 010 <002 <br /> 06/18/94 <10 <03 <03 <03 <05 <005 <010 <002 <br /> 11/17/95 <10 <03 <03 <03 <05 < 005 < 010 <0 02 <br /> 02/16/95 <10 <03 <03 <03 <05 < 005 < 010 <0 02 <br /> ' <br /> 05/18/95 <50 <03 <03 <03 <05 < 005 < 010 <0 02 <br /> 07/27/95 <100 <05 <10 <10 <20 <br /> 08/04/95 <50 <03 <03 <03 <05 — — <br /> ' 08/08/95 <50 <03 <03 <03 <05 — — — <br /> 08/17/95 1 <50 <03 <03 1 <03 <05 < 005 < 010 <092 <br /> 11/16/95 <50 <05 <05 <05 <2 <004 <02 <002 <br /> ' 2/20/96 <50 <05 <05 <05 <2 <0 04 <02 <5 <br /> 05/21/96 <50 <05 <05 <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 <br /> sampling <br /> Eff effluent <br /> (See laboratory report for method detection limits) <br /> • Page 2 fo 2 <br />