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2852 Alton Ave Irvine CA 92606 (949)251 IM FAX(949)261 1228 <br /> 1014 E Cooley Di Suite A Colion CA 92324 1909)J70-46637 FAX(909)370 1046 <br /> Def MarAnalytical 16525Sherman Way SwloClt Van NuysCA9i4p6 (818)779.16a4FAX(818)779ta43 <br /> 9484 Chesapepe Dr Suite 805 San Diego CA 92123 (619)505-9596 FAX(619)505-9689 <br /> 2465 W 12th St Suite 1 Tempe A2 85281 {602)969-8272 FAX(602)966 1338 <br /> • <br /> MS/MSD DATA REPORT <br /> EPA METHOD 8260 <br /> Matrix Water <br /> Date <br /> Analyzed 10/2/98 <br /> Sample H103775 <br /> Batch HJ02091 W <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 17 17 68% 68% 0% 68% 20 25-190 <br /> 1,1-Dichloroethene 0 25 24 23 96% 92% 43% 94% 50 45-165 <br /> MTBE 125 25 38 36 102% 94% 54% 98% 25 60-150 <br /> 1,1-Dichloroethane 0 25 23 23 92% 92% 0% 92% 20 55-160 <br /> Chloroform 0 25 24 23 96% 92% 43% 94% 20 60-150 <br /> 1,2-Dichloroethane 01 25 22 21 88% 84% 47% 86% 20 40-160 <br /> i Benzene 0 25 22 22 88% 88% 0% 88% 20 65-140 <br /> Trichloroethene 0 25 25 24 100% 96% 41% 98% 20 65-130 <br /> Toluene 0 25 24 23 96% 92% 43% 94% 20 70-135 <br /> Tetrachloroethene 0 25 25 24 100% 96% 41% 98% 20 50-155 <br /> Chlorobenzene 0 25 24 24 96% 96% 0% 96% 20 75-130 <br /> Ethylbenzene 0 25 25 24 100% 96% 41% 98% 20 70-135 <br /> m,p-Xylenes 0 50 53 51 106% 102% 38% 104% 20 65-140 <br /> o-Xylene 0 25 26 25 104% 100% _L_3_9% 102% 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 P@rcent Recovery of MS, ((MS-R1)1 SP)X 100 <br /> PR2 Percent Recovery of MSD, ((MSD-R1)1 SP)X 100 <br /> RPD Relative Percent Difference, ((MS-MSD)/(MS+MSD)/2) X 100 <br /> Acceptance Limits Statistically determined on an annual basis <br /> •� DEL MAR ANALYTICAL <br />