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f GeoAnal tical Laboratories Inc. <br /> y , <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone(209) 572-0900 Fax (209) 572-0916 <br /> Report# P020-06 CERTIFICATE OF ANALYSIS Date: 1/27/03 <br /> i Kloberdanz &Associates Date Recd: 1/20/03 <br /> 1 J• Date Started: 1/24/03 <br /> P.O.Box 576981 Project: McDowell & Davis towing-Escalon Date Completed:1/24/03 <br /> Modesto CA 95357 <br /> Date Sampled: 1/20/03 <br /> PO## Time: <br /> Sample ID: MW-2 Sampler : R.Azevedo/R.Chrun <br /> Lab ID: P300620 <br /> Method RL Analyte Results Units <br /> 8260B 0.3 Benzene 0.7 ag/L <br /> 0.3 Toluene 3.0 <br /> 0.3 Ethyl Benzene 0.9 <br /> 0.6 Total Xylenes 5.0 <br /> 0.5 Methyl tert-butyl ether(MTBE) 0.7 <br /> 40 Ethanol ND <br /> 5 tert-Butanol ND <br /> 0.5 di-Isopropyl ether(DIPE) ND <br /> 0.5 Ethyl tert-butyl ether(ETBE) ND <br /> 0.5 tert-Amyl methyl ether(TAME) ND <br /> 1.0 Ethylene dibromide(EDB) ND <br /> 0.5 1,2-Dichloroethane(1,2-DCA) ND <br /> i <br /> t <br /> Surrogate Amnt Spiked Arnnt Rec. %Recovery QC Limit% <br /> 1,2-Dichloroethane-d4 5.00 4.84 96.8 72-132 <br /> 2-Bromo-l-chloropropane 5.00 3.91 78.2 71-134 <br /> 4-Bromofluorobenzene 5.00 5,05 101.0 74-132 <br /> a D Onofrio Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />