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110 2nd Ave.South, �pacheco,CA 94553-5560 <br /> McCAMPBELL ANLYTICAL INC. Telephone:925-798- 20 Fax:925-798-1622 <br /> http://www.mccampbell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date: 0727/01-0728101 Extraction: EPA 5030 Matrix: Water <br /> Concentration: ug/L %Recovery <br /> Compound - �.-- Amount - - RPD <br /> Sample! MS MSD MS MSD <br /> Spiked <br /> SamDIeID: 726 Instrument: GC-10 <br /> Surrogate ND 100.0 98.0 100.00 100 98 2.0 <br /> tert-Amyl Methyl Ether ND 9.0 9.0 10.00 90 90 0.0 <br /> Methyl tert-Butyl Ether ND ! 9.1 9.2 10.00 91 92 1.1 <br /> Ethyl tert-Butyl Ether ND 8.4 8.6 10.00 84 86 2.4 <br /> Di-isopropyl Ether ND 9.0 8.8 10.00 90 88 2.2 <br /> Toluene ND 8.4 8.4 10.00 84 84 0.0 <br /> Benzene ND ! 8.7 8.7 10.00 87 87 0.0 <br /> Chlorobenzene ND 10.0 9.9 10.00 100 99 1.0 <br /> Trichloroethane ND 7.1 7.2 10.00 71 72 1.4 <br /> 1,1-Dichloroethene ND 9.1 9.1 10.00 91 91 0.0 <br /> (AE-Sample) <br /> %Re wvery= Arnormdpiked .100 <br /> ('A&-MSD) <br /> RPD= .2100 <br /> (A9+MSD) <br /> RPD means Relative Percent Deviation <br />