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1 <br /> aVoo �aboratories <br /> GROUND ZERO ANALYSIS,INC <br /> ' 1714 Main Street <br /> Escalon,CA 95320 Date Sampled 03/08/01 <br /> Date Received 03/09/01 <br /> 1 Pro) ID 186 Volatile Organics By GC1MS Date Analyzed 03112/01 <br /> Site Knowles Roek <br /> Method EPA 8260B <br /> i <br /> Lab ID B03195(d) B03196(d) 803197(d) B03198(d) <br /> Sample ID KR VW-1 KR VW-2 KR VW-3 KR VW-4 <br /> Matrix Water Water Water Water <br /> 1 Methanol <100,000 <10,000 <2,500 <2,500 <br /> 1 Ethanol <50,000 <5,000 <1,250 <1,250 <br /> t-Butanol(TBA) <4,000 <400 <100 < 100 <br /> ' Methyl-t-Butyl Ether(MTBE) <400 <40 <10 <10 <br /> DI-lsopropyl Ether(DIPE) <400 <40 <10 <10 <br /> '• Ethyl-t-Butyl Ether(ETBE) <400 <40 <10 <10 <br /> t-Amyl Methyl Ether(TAME) <400 <40 <10 <10 <br /> ' 1,2-Dlchloroethane(1,2-DCA) <400 <40 <10 190 <br /> ' 1,2-Dibromoethane(EDB) 590 <40 <10 <10 <br /> ' <br /> QA/QC <br /> Surrogate Spike Recovery 69% 71% 76% 69% <br /> (d) Higher detection limits are due to dilution factors Sample diluted due to high organic content andtor high concentration of target analytes <br /> 'water samples are reported in ugA- sod and sludge samples in ug/kg <br /> 1 <br /> L �Cueto <br /> 1 Lab Director <br /> DNS Certification No 2359 <br /> ' 3037 Rfth St, Ceres, CA 95307 • Phone (209) 581-9280 • Fax (209) 581-9282 <br /> 1 <br />