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TABLE 1 <br /> Groundwater Monitoring and Analytical Data <br /> Ranch Market <br /> 23669 South Santa Fe Road <br /> RNorhank,California <br /> Well NoJ Ethyl- m,p,o EPA method 8260 B ;- <br /> Elevation Date, Benzene Toluene benzene Xylenes TPH-G MTBE TBA DIPE ETBE TAME 1;2-DCA EDB"' DT-W" SPT 'r. WTE <br /> (TOC)` - (U9/L) (p9/L) '.(p9/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) .. (p9/U (pg/�). (pg/L) (pg/L) , (ft) -(ft) . . (ft) <br /> DW-4 10/07/99 __ __ -- - __ <1.0 <10 <1.0 <1.0 <1.0 __ <br /> 12/25/99 <0.3 <0.3 <0.3 <0.3 <50 <5 <20 <5 <5 <5 <5 <5 <br /> 04/06/00 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 08/16/00 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 -- <br /> 11/16/00 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 -- <br /> 01/03/01 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 -- <br /> 04/11/01 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 07/03/01 <0.50 <0.50 <0.50 <0.50 <50 1.1 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 08/01/01 <0.50 <0.50 <0.50 <0.50 <50 <0.50 - - - _ _ <br /> 10/01/01 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 01/03/02 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 X0.50 <0.50 - <br /> 04/05/02 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 07/12/02 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 10/01/02 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 01/10/03 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 04/01/03 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <20 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 07/02/03 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 10/02/03 No sample.Well not accessable. <br /> 01/09/04 No sample.Well not accessable. <br /> 04/08/04 <0.50 <0.50 <0.50 <1.0 <50 <0.50 <20 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 07/01/04 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <20 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 10/15/04 <0.50 <0.50 <0.50 <1.0 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <050 -- <br /> 01/05/05 <0.50 <0.50 <0.50 <1.0 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 04/06/05 <0.50 <0.50 <0.50 <1.5 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 07/13/05 No sample.Well not accessable. <br /> 10/12/05 <0.50 <0.50 <0.50 <1.5 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 01/11/06 <0.50 <0.50 <0.50 <1.5 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 06/08/06 <0.50 <0-50 <0.50 <1.5 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 -- <br /> 08/23/06 <0.50 <0.50 <0.50 <1.5 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 12/14/06 <0.50 <0.50 <0.50 <1.0 <56 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> 03/23/07 <0.50 <0.50 <0.50 <1.0 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 06/19107 <0.50 <0.50 <0.50 <7.0 <50 <0.50 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> Explanation <br /> TOC'=Top of Casing elevation in feet above mean sea level TPH-G=Total petroleum hydrocarbons-as-gasoline <br /> =Free floating product present. No groundwater sample was collected MTBE=MethYI- Y tert-but I ether <br /> •'=Feet below lop of casing measured from the northerly side. TBA=tert-Butanol <br /> pg/L=Micrograms per liter DIPE=Diisopropyl Ether <br /> -=Not sampled/not analyzed/not measured ETBE=Ethyl-tert-butyl Ether <br /> DTW=Depth to water TAME=lert-Amyl-Methyl Ether <br /> SPT <br /> =Separate-phase thickness 1,2-DCA=1,2-Dichloroethane <br /> WTE=Water table elevation EDB=1 2-Dibromoethane <br /> Project E9323-06-01 12 of 12 August 2007 <br />