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a4 2852 Alton Ave Irvine CA 92714 (7141 261 1022 FAX(714)261 1228 <br /> DSIMarAnal\Ocal 1014 E Copley Dr Suite A Colton 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(81 8)779 1843 <br /> 2465 W 12th St Suite I Tempe AZ 85281 (6021 968 8272 FAX(602)968 1338 <br /> M$IMSD DATA REPORT <br /> ' EPA METHOD 8015/8020 <br /> Matrix Water <br /> ' Date 313195 <br /> ' Sample# V5021419 <br /> Batch# 030395 4 2 <br /> 1 <br /> Analyte R1 S MEAN <br /> M� MSD PR1 PR2 RPD PR <br />' ppb ppb ppb ppb % % % % <br /> TPH 63 110 130 130 112% 112% —100% 112% <br />' Benzene 0 10 10 11 103% 105% 1 9% 104% <br /> Toluene 0 076 10 99 10 98% 99% 09% 99% <br /> Ethylbenzene 110 110 110 104% 104% 00% 104% <br /> Xylenes 11012 130 131 31 104% 102% 13% 103% <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-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 /> Mean PR Mean Percent Recovery <br />' Acceptance Limits Determined by in-house Control Charts <br /> Del Mar Analytical <br /> 1 <br />