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TABLE2 Page1.0of10 <br /> GROUNDWATER ELEVATION AND ANALYTICAL DATA ' <br /> JIMCO TRUCK PLAZA <br /> 1022 FRONTAGE ROAD <br /> RIPON,CALIFORNIA <br /> Top of Casing Depth to Groundwater <br /> Well ID Date Elevation Groundwater Elevation Turbidity TPHd TP1Into TPMg Benzene Toluene ENrylbenzene Xylenes MTBE DIPE ETBE TAME TBA EDB Ethanol Methanol 1,2-DCA <br /> (t-msp (ft-toc) (f-msl) (MTU) OWL) (yg/L) Og/L) OWL) (;Ig/L) OWL) (Pg/L) OWL) OWL) 01g/L) OWL) 01g/L) OWL) OWL) 01g/L) (n/L) <br /> EW-1 8/16/06 57.52 21.81 35.71 <br /> cont. 11/27/06 57.52 21.65 35.87 <br /> 2/20/07 57.52 21.73 35.79 <br /> 5/10/07 57.52 22.31 35.21 <br /> Abbreviatronv and Notes: <br />--=Not Analyzed <br /><n=Not detected in sample above n(pg/L). <br /> TOC=Top of casing elevation measured infeet above mean sea level. <br /> ft-toc=Measured in feet below top of casing. <br /> ft-ms1=Measured in feet above mean sea level. <br /> Pg/L=Micrograms per Liter <br /> TPHd=Total petroleum hydrocarbons as diesel analyzed by modified EPA Method SW8015C with silica gel cleanup,andwithout silica gel cleanup in parenthesis. <br /> TPHmo=Totalpetroleum hydrocarbons as motor oil analyzed by modified EPA Method SW801.5C with silica gel cleanup,and without silica gel cleanup in parenthesis. <br /> TPHg=Total petroleum hydrocarbohs as gasoline analyzed by modified EPA Method SW8015C. <br /> MTBE=Methyltertiary butyl ether analyzed by EPA Method SW8021B,and by EPA Method SW8260B in parenthesis. <br /> DIPE,ETBE,TAME,TBA,EDB,and 1,2-DCA=Di-isopropyl ether,ethyl tertiary butyl.ether,tertiary amyl methyl ether,tertiary butyl alcohol,ethylene dibromide,and 1,2-dichloroethane analyzed by EPA Method SW8260B. <br /> Data prior to January 2005 collected by Advanced GeoEnvironmental,Inc. <br /> All wells were resurveryed by Morrow Surveying of West Sacramento on April 1,2005,and well elevations tied.to local benchmark BM#M-37 Elev 56.507.Coordinate datum used was NAD 83(1996). <br /> RFS-MW-2=Monitoring well owned by Ripon Farm Service <br /> Wells MW-6,MW-7,and MW-8 were transfrered from RFS to Olympian JV in the third quarter of 2006.Cambria began sampling wells MW-6,MW-7,and MW-8 on August 16,2006. <br /> Well DW-1 is a commercialsupply well. <br /> Top of casing elevations for RFS-MW-2 and RFS-M W-3 based on RFS Fourth Quarter 2004,Table 1. <br />'=grab samples collected as split samples by TEC Accutite as part of a subsurface investigation by Advanced Geolinvironmental related to the adjacent Ripon Farm.Service property <br />#=See laboratory report for notes and/or a descriptionof chromatogrampattern <br /> i <br /> me�e�s�om <br />