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2852 Alton Ave Irvine CA 92 714 (7 1/4)261 1022 FAX[714]261 1228 <br /> ®el MarAnalytical 1014 E Cooley Dr Suite A Colton CA 92324 (909)370 4667 FAX(909)370 1046 <br /> 16525 Sherman Way Suite C I I Van Nuys CA 91406 (818)779 1844 FAX(818)779 1 B43 <br /> QC VATA RP-POAT <br /> EPA METHOD 8015 volatile <br /> matrix water <br /> DATE- 10/21/93 <br /> SAMPLE# Blank <br /> MEAN <br /> Analyte R1 Sp MS MSD PRI PR2 RPD PR <br /> ppb ppb Ppb Ppb % % % % <br /> Hydrocarbons ro 1,000 990 1,000 <br /> Definition of Terms <br /> R1 Result of Sample Analysis <br /> Sp Spike Concentration Added to Sample <br /> MS Matrix Spike Result <br /> MSD Matrix Spike Duplicate Result <br /> PR1 Percent Recovery of MS, ((MS-Rl) /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 /> Det Mar Analytical <br />