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2852 Alton Ave Irvine CA 92714 {714)261 1022 FAX(714)261 1228 <br /> DSI MarAnalytical 1014 E Cooley Dr Suite A Colton CA 92324 (909)370 4667 FAX j909)370 1046 <br /> 16525 Sherman Way Suite C 1 1 Van Nuys CA 91406 (818)779 1844 FAX(818)779 1843 <br /> 2465 W 12th St Suite 1 Tempe AZ 85281 (602)968 8272 FAX{602)968 1338 <br /> MSI MS D DATA REPORT <br /> EPA METHOD 4181 <br /> Matrix Soil <br /> DATE 10/19/95 <br />' SAMPLE# Blank <br /> i MEAN <br /> Analyte R1 Sp MS MSD PR1 PR2 RPD PR <br />' Ppm Ppm ppm ppm % % % % <br />' Hydrocarbons 0 60 54 54 90% 90% 0 00/6 90% <br /> Definition of Terms <br />' R1 Result of Sample Analysis <br /> 1 Sp Spike Concentration Added to Sample <br /> MS Matrix Spike Result <br /> 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 /> Del Mar Analytical <br />