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2852 Alton Ave Irvine CA 92606 (949)261 1022 FAX(949)261 1228 <br /> 1014 E Cooley Or Suite A CoISDn CA 92324 (909)370-4667 FAX(909)370 1046 <br /> Del Mar Anal\, tical 16525 Shelman Way Suite Cit Van Nuys CA 91406 (8 18)779 1594 FAX 9)779 1643 <br /> 9484 Chesapeake Or Suite BOS San Diego CA 92123 (66 (61 <br /> 19)505.9596 FAX(619)505 9689 <br /> 2465 W 12th St Suite 1 Tempe AZ 85281 (602)968 8272 FAX(602)968 1338 <br /> MSIMSD DATA REPORT <br /> EPA METHOD 8260 <br /> Matrix Water <br /> Date <br /> Analyzed 9/28/98 <br /> Sample H103332 <br /> i <br /> Batch H128092W <br /> MEAN Acceptance <br /> Analyte R1 Sp MS MSD PR1 PR2 RPD PR Limits <br /> ppb ppb ppb ppb % % % % RPD MPR <br /> Vinyl Chloride 0 25 20 23 80% 92% 14% 86% 20 25-190 <br /> 1,1-Dichloroethene 0 25 26 29 104% 116% 11% 110% 50 45-165 <br /> MTBE 01 25 26 33 104% 132% 24% 118% 25 60-150 <br /> 1,1-Dichloroethane 0 25 25 29 100% 116% 15% 108% 20 55-160 <br /> Chloroform 0 25 25 30 100% 120% 18% 110% 20 1 60-150 <br /> 1,2-Dichloroethane 01 25 22 25 88% 100% 13% 94% 20 40-160 <br /> Benzene 0 25 23 24 92% 96% 43% 94% 20 65-140 <br /> Trichloroethene 0 25 1 25 26 100% 104% 39% 102% 20 65-130 <br /> . Toluene 0 25 24 23 96% 92% 43% 94% 20 70-135 <br /> Tetrachloroethene 0 25 25 26 100% 104% 39% 102% 20 50-155 <br /> Chlorobenzene 0 25 25 25 100% 100% 00% 100% 20 75-130 <br /> Ethylbenzene 0 25 25 23 100% 92% 83% 96% 20 70-135 <br /> m,p-Xylenes 0 50 51 42 102% 84% 19% 93% 20 65-140 <br /> o-Xylene 0 25 25 20 100% 80% 22% 909/D 25 70-150 <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)12) X 100 <br /> Acceptance Limits Statistically determined on an annual basis <br /> i <br /> I <br /> i <br /> DEL MAR ANALYTICAL <br />