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TABLE 3 • Historical Groundwater Treatment System Influent and Effluent Water Analysis February 1994- Present (Results In micrograms per liter- pg/L unless otherwise noted) Golden Grain Company Manteca Bean Facility 229 Moffat Boulevard, Manteca, California Sample Sample Ethyl- Total Total Organic ID Date TPH-g Benzene Toluene benzene Xylenes Lead* Lead* EDB Inf 02117/94 130 27 7 5 15 < 005 < 010 <0 02 05/19/94 140 38 13 13 4 0 < 005 < 010 <0 02 08/18/94 68 15 32 31 94 < 005 < 010 <0 02 11/17/95 51 7 4 0 5 15 26 < 005 < 010 <0 02 02/16/95 22 41 <03 05 14 < 005 < 010 <0 02 05/18/95 <50 15 <03 16 4 < 005 < 010 <0 02 _07/27/95 <100 66 <10 <10 <20 — —08/04/95 <50 11 <03 08 12 -- —08/08/95 <50 99 09 12 52 —08/17/95 80 76 <03 09 33 < 005 < 010 <0 02 11/16/95 <50 4 <05 07 <2 <0 04 <02 <0 02 2/20/96 <50 <05 <05 <05 <2 <0 04 <02 <5 • 05/21/96 <50 29 <05 <05 <2 <004 <02 <5 Eff L2Z 17 94 <10 <03 <03 <03 <05 < 005 < 010 <002 25119/94 <10 <03 <03 <03 <05 < 005 < 010 <002 W/18/94 <10 <03 <03 <03 <05 < 005 < 010 <002 11/17/95 <10 <03 <03 <03 <05 < 005 < 010 <002 02/16/95 <10 <03 <03 <03 <05 < 005 < 010 <002 05/18/95 <50 <03 <03 <03 <05 < 005 < 010 <0 02 -07/27/95 <100 <05 <1 0 <10 <20 _ — 08/04/95 <50 <03 <03 <03 <05 08/08195 <50 <03 <03 <03 <05 -- _ — 08/17/95 <50 <03 <03 <03 <05 < 005 < 010 <0 02 11/16/95 <50 <05 <05 <0 5 <2 <0 04 <02 <002 2/20/96 <50 <05 <05 <05 <2 <0 04 <02 <5 05/21/96 <50 <05 <05 <05 <2 1 <0 04 <02 t <5 TPH-9 = total petroleum hydrocarbons as gasoline * = total lead and organic lead results reported in mdhgrams per liter(mg/L) EDB = ethylene dibromide(1,2-dibromoethans) -- = not analyzed AS _ air stripper Int = influent '* = groundwater treatment system modified from air stripper to liquid-phase carbon prior to 07/27/95 sampling Eff = effluent . (See laboratory report for method detection limits) IFLUOR DANIEL GTI 42020213 Q52