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2852 Alton Ave Irvine CA 92 T 14 (7 14)261 1022 FAX(7 141 261 1228 <br /> DelMlarAnal\Ocal 1014 E Cooley Or Suite A Colton CA 92324 (909)370 4667 FAX(909)370 1046 <br /> 16525 Sherman Way Suite C I 1 Van Nuys CA 91 406 (818)779 1844 FAX(818)779 1843 <br /> QC DATA IFiP-PORT <br /> EPA METHOD 8020 <br /> matrix water <br /> DATE 10/21/93 <br /> SAMPLE # Blank <br /> MEAN <br /> Analyte Rt Sp MS MSD PR1 PR2 RPD PR <br /> ppb ppb ppb Ppb % % % % <br /> Benzene 0 100 94 93 94% 93% 1 1% 94% <br /> Toluene 0 100 94 91 94% 91% 32% 93% <br /> Ethylbenzene 0 100 94 92 94% 92% 22% 93% <br /> Xylenes 0 300 280 280 93% 93% 00% 93% <br /> Definition of Terms <br /> R1 Result of Sample Analysis <br /> Sp Spike Concentration Added to Sample <br /> MS Matrix Spike Result <br /> 1 MSD Matrix Spike Duplicate Result <br />' PR1 Percent Recovery of MS, ((MS-R1) / SP) X 100 <br /> PR2 Percent Recovery of MSD, ((MSD-R1) / SP) X 100 <br /> RPD Relative Percent Difference, ((MS-MSD)/(MS+MSD)/2)) X 100 <br /> rDel Mar Analytical <br /> f <br />