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r ! <br /> PRECISION <br /> ' ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> ' Wednesday,March 2,2005 <br /> Attention: Francis X. Bean <br /> ' Kleinfe lder,Inc. Report Page 18 of 21 <br /> 2825 East Myrtle Street <br /> Stockton, CA 95205 <br /> ' Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Precision Enviro-Tech <br /> ' Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AC50116-Volatiles <br /> ' Reference(AC50116-SRM1) Prepared&Analyzed:01-Mar-05 <br /> I,1,l-Trichloroethane 40.0 2.00 ug/kg 40.0 100 60-120 <br /> Trichloroethene 43.2 2.00 40.0 108 60-120 <br /> Trichlorofluoromethane 37.0 2.00 11 40.0 92 60-120 <br /> 1,2,3-Trichloropropane 37.8 2.00 40.0 94 60-120 <br /> 1,3,5-Trimethylbenzene 38.0 2.00 40.0 95 60-120 <br /> 1,2,4-Trimethylbenzene 28.8 2.00 40.0 72 60-120 <br /> ' Vinyl chloride 36.0 2.00 „ 40.0 90 60-120 <br /> Methyl tert-butyl Ether(MtBE) 35.0 2.00 40.0 88 60-120 <br /> Ethyl tert-Butyl Ether(ETBE) 42.0 2.00 40.0 105 60-120 <br /> m,p-Xylene 55.3 2.00 11 80.0 69 60-120 <br /> o-Xylene 28.4 2.00 40.0 71 60-120 <br /> tert-Amyl Methyl Ether(TAME) 27.3 2.00 40.0 68 60-120 <br /> tert-Butyl Acohol(TBA) 210 50.0 200 105 60-120 <br /> ' Diisopropyl Ether(DIPE) 43.0 2.00 40.0 108 60-120 <br /> Surrogate:Dibromofluoromethane 43.6 50.0 87 86-118 <br /> Surrogate:Toluene-d8 49.2 50.0 98 88-110 <br /> Surrogate:4-Bromofluorobenzene 44.0 50.0 88 86-115 <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> mgt=milligrams per Liter=ppm DLR=Detection Lonn forl'urpose of Reporting. <br /> uglL=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> RESPECTFULLY SUBMITTED, <br /> result in higher detection limits. <br /> /' <br /> 1 <br /> Jonathan Le,Laboratory Director <br /> 7'43 N. ff'est Lane. Suite B2 Stockton CA. 95210 vhone: (209) 477-,x105 Fax: (209) 477-81-18 <br />