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2852 Alton Ave Irvine C4 92714 (714)261 1022 FAX(714)261 1178 <br /> DelMar Anal\,4ieal to 14 E Cooley Dr Suite A Calton CA 92324 (909)370 4667 FAX(909)370 1046 <br /> 16525 Sherman Way Suite C 1 1 Van Nuys CA 91406 (818)779 1844 FAX(818)779 1843 <br /> r �+�y� <br /> i QC VATA RE "POR <br /> t <br /> EPA METHOD 8015 volatile <br /> matrix soil <br /> DATE 10/19/93 <br /> SAMPLE # Blank <br /> MEAN <br /> Analyte R1 Sp MS MSD PRI PR2 RPD PR <br /> ppm PPM PPM ppm 0 % % % <br /> IHydrocarbons 0 1 5 Oj 4 5 4 2 1 90% 1 84% 1 69% 1 87% <br /> Definition of Terms <br /> R1 - Result of Sample Analysis <br /> SpS ike Concentration Added to Sample <br /> • p P <br />' MS . . Matrix Spike Result <br /> MSD Matrix Spike Duplicate Result <br />' <br /> PRI 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 I00 <br />' Del Mar Analytical <br />