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I <br /> 1 ' <br /> I I <br /> • GROUND ZERO ANALYSIS, INC <br /> ' 1714 Main Street <br /> Escalon, CA 95320 Date Sampled 02121101 <br /> Date Received 02/21/01 <br /> ' Prot ID 329 Volatile Organics By GUMS Date Analyzed 02/28/01 <br /> Site Knowles Roek <br /> Method EPA 8260B <br /> ' <br /> Lab ID 802329(d) B02330(d) B02331 <br /> Sample ID KR C132-55 KR C132-60 KR C134-25 <br /> Matrix Soil Soil Soil <br /> ' Methanol <500 <500 <0 50 <br /> ' Ethanol <250 <250 <0 25 <br /> t-Butanol(TBA) <50 <50 <0 050 <br /> ' Methyl-t-Butyl Ether(MTBE) <5 0 <5 0 <0 005 <br /> Di-Isopropyl Ether(DIPE) <50 <5 0 <0 005 <br /> 10 Ethyl-t-Butyl Ether(ETBE) <5 0 <5 0 <0 005 <br /> ' t-Amyl Methyl Ether(TAME) <5 0 <5 0 <0 005 <br /> 1,2-Dichloroethane(1,2-DCA) <50 <5 0 <0 005 <br /> ' 1,2-Dibromoethane(EDB) <5 0 <5 0 <0 005 <br /> ' QA/QC <br /> Surrogate Spike Recovery 116% 118% 93% <br /> (d) higher detection limits are due to dilution factors Sample diluted due to high organic content <br /> ' t water samples are reported in pg/L,soil and sludge samples in mg,*g <br /> Hiram Cueto <br /> Lab Director <br /> DNS Certification No 2359 <br /> ' 3037 Frith # Ceres, 5307 • None 209 3 80 • Fax <br /> S , C , CA 9 o e ( ) 58 92 {209} 581-9282 <br />