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' 2852 Alton Ave lrvine CA 92606 (949)261 1022 FAX(949)261 1 <br /> 1014E Cooley Or Suite A Calton CA 92324 (909)370 4667 FAX(909)370 1 <br /> Del MarAnalytical 16525 Sherman Way Suite C 11 Van Nuys CA 91406 (818)779 1844 FAX(818)779 1 <br /> 9484 Chesapeake Or Saute 805 San Diego CA 92123 (619)505.9596 FAX(619)505 9 <br /> 2465 W 12th St Suite 1 Tempe AZ 85281 (602)968 8272 FAX(602)968 1 <br /> =� :MS/MSD DATA¢RSPORT, <br /> SPA METHOD' 8250 <br /> Matrix Soil <br /> Date <br />' Analyzed 11/30/98 <br /> Sample HK03807 <br />' Batch HK300715 <br /> MEAN Acceptance <br /> Analyte R1 Sp MS MSD PRI PR2 RPD PR Limits <br />' Ppb PAS Ppb Ppb % % % % RPD MPR <br />' Vinyl Chloride 0 25 22 23 88% 92% 44% 90% 30 1 30-160 <br /> 1,1-Dichloroethene 0 25 26 26 104% 104% 0% 104% 40 45-165 <br /> MTBE 07 25 29 29 113% 113% 0% 113% 40 55-155 <br />' 1,1-Dichloroethane 0 25 24 24 96% 1 96% 0% 96% 20 55-150 <br /> Chloroform 0 25 24 241 96% 96% 0% 96% 20 65-140 <br /> 1,2-Dichloroethane 01 25 24 24 96% 96% 0% 96% 30 55-145 <br /> Benzene 0 25 25 25 100% 100% 0% 100% 25 60-140 <br /> Trichloroethene 0 25 28 31 112% 124% 10% 118% 30 j 60-145 <br /> Toluene 1 01 25 25 25 100% 100% 0% 100% 20 65-140 <br /> Tetra c hloroethe ne 0 25 27 27 108% 108% 0% 108% 50 10-200 <br /> Chlorobenzene 0 25 26 26 104% 104% 0% 104616 20 70-135 <br /> Ethylbenzene 0 25 25 24 100% 96% 41% 98% 20 70-140 <br />' m,p-Xylenes 0 50 51 51 102% 102% 0% 102% 20 40-160 <br /> o-Xylene 0 25 25 25 100°/a 1Q4% 0% 100% 20 65-150 <br />' Definition of Terms <br /> RI. . . . . . . . . . . . . . Result of Sample Analysis <br /> Sp . . . . . . . . . . . Spike Concentration Added to Sample <br /> MS . . . . . . . . . . . . . Matrix Spike Result <br />' MSD. . . . . . . . . . . . . . . Matrix Spike Duplicate Result <br /> PR1 . . • . . . . . • • <br /> . Percent Recovery of MS, ((MS-R1)I SP)X 100 <br /> PR2. . . . Percent Recovery of MSD, ((MSD-R1)1 SP)X 100 <br /> RPD . . . . . Relative Percent Difference, ((MS-MSD)1(MS+MSD)12) X 100 <br />' Acceptance Limits . . . Statistically determined on an annual basis <br /> DEL MAR ANALYTICAL <br />