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k4 KLEINFELDER <br /> An employee owned company <br /> TABLE 2 <br /> Concentrations of Selected Constituents in Groundwater <br /> Del Monte Plant No.33 <br /> Disco Site <br /> Stockton,California - <br /> Concentration Ju L <br /> `-Momtonng: Sample Ethyl,-.: - -_ - <br /> Well#r`�• Da[a;` TPH 12 DCA EDB. :'.Benzene. !-'Toluene:',', beniene� .,JC-Ione -,,.TBA *':MTBE- DIRE :'-��ETBE s:�..TAME." Leady.. <br /> MW-DIS-145 2/2112002 ND 0.2 ND- ND NO NO NO NO ND NO NO NO NS <br /> 91132002 NO 7.2 NO ND NO NO NO NO 7.0 NO NO NO NS <br /> 8112!2002 NO 4.2 NO ND NO NO NO NO 9.9 NO NO NO NS <br /> - <br /> 121912002 NS 4.4 NS NS NS NS NS NS 2.5 NS NS NS NS <br /> 315r2OD3 NO 4.2 NO. NO NO NO NO NO 1.4 NS NS NS NS <br /> 511612003 ND 3.3 NO NO NO NO NO ND 0.78 NS NS NS NS <br /> MW-DIS-14d 212 112 0 0 2 ND NO NO NO ND NO ND NO NO ND NO NO NS <br /> 5113/2002 ND NO NO NO ND NO NO ND NO ND ND NO NS <br /> 8112/2002 NO NO NO NO NO NO NO ND ND NO NO NO NS <br /> 12!912002 NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> 31WD03 NO NO NO NO NO NO ND NO NO NS NS NS NS <br /> 5/16/2003 NO NO NO NO NO NO NO NO NS NS NS NS NS <br /> MW-DIS-15 3/4/2003 NO 10 NO NO NO NO NO ND NO ND NO NO NS <br /> 5119/2003 NO 8.2 NO NO NO NO NO ND ND NO NO NO NS <br /> Trip Blank 8112!2002 ND ND NO NO NO <br /> 12/92002 I NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> Notes: <br /> All analyses performed by EPA Method 801518020 - <br /> TCLP: EPA Toxicity Characteristic Leachate Procedure for identifying Hazardous Waste <br /> MCL: California Maximum Contaminant Levet for Drinking Water <br /> X5.0 Below Detection limit of 5.0 ug1L ' <br /> X0.5 Below Detection limit of 0.5 uglL <br /> EDB ethylerle dibrOmide <br /> 1,2 DCA 12didoroethane <br /> Sample collected by minimum aeration technique <br /> Samples collected but not aralyzed due to lab errodnot confirmed by GG/MS <br /> Samples collected an 6112197 were analyzed using EPA Method 8240. <br /> BOLD Bold indicates results above the de(eclion limit <br /> NS: Not Sampled <br /> NA: Not Analyzed . <br /> '3119199 MW-DIS-2 re-sampled on this date and analyzed by EPA Method 0015/8020. Detection not confirmed by GC1MS. <br /> MTBE was not detected in the original 2/11199 sample(analyzed by EPA Method 80 1 518 02 0)and <br /> confirmed by GC/MS Method 8260) <br /> 12260.MON 1 ST03E034 <br /> Page 19 of 19 <br /> Copyright 2003,Kleinfelder,Inc. - June 25,2003 <br />