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2852 Alton Ave Irvine CA 92606 (949)261 1022 FAX{949)261 1 <br /> 1014 E Cooley Dr Suite A Colton CA 92324 (909)370.4667 FAX(909)370 1 <br /> Del MarAnaKilical 16525 Sherman Way Suite C 11 Van yCA 91406 (918)779 1844 FAX(ale)779 1 <br /> 9484 Chesapeake Dr Suite 805 San Diego <br /> CA 92123 (619)505 9596 FAX(819)505 9 <br /> 2465 W 12th St Suite 1 Tempe AZ 85281 (602)968 8272 FAX(602)968 1 <br /> F,— <br /> MS/MSD DATA_RERORT` <br /> w <br />' EPA METHOD 8260 <br /> Matrix* Soil <br /> Date <br /> tAnalyzed 11/27/98 <br /> Sample HK03653 <br />' Batch HK27011S <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 1 25 15 1 19 60% 76% 24% 68% 30 30-160 <br /> 1,1-Dichloroethene 0 25 22 22 88% 88% 00% 88% 40 45-165 <br /> MTBE 0 25 25 24 100% 96% 41% 980/6 40 55-155 <br />' 1,1-Dichloroethane 0 25 23 22 92% 88% 44% 90% 20 55-150 <br /> Chloroform 0 25 23 1 22 92% 88% 44% 90% 20 65-140 <br /> 1,2-Dichloroethane 02 25 25 24 99% 95% 41% 97% 30 55-145 <br /> Benzene 01 25 23 22 92% 88% 44% 90% 25 60-140 <br /> Trichloroethene 0 25 19 20 76% 80% 51% 78% 30 60-145 <br />' Toluene 0 25 23 22 92% 88% 44% 90% 20 65-140 <br /> Tetrachloroethene 0 25 18 1 18 72% 72% 00% 72% 50 10-200 <br /> Chlorobenzene 0 25 23 23 92% 92% 00% 92% 20 70-135 <br /> Ethylbenzene 0 25 24 24 96% 96% 00% 96% 20 70-140 <br />' m,p-Xylenes 0 50 40 40 80% 80% 0 0% ML <br /> 20 40-160 <br /> o-Xylene 0 25 19 19 76% 76% 0 0% 20 65-150 <br /> Definition of Terms <br /> R7 . . . . . . . . . . . . Result of Sample Analysis <br /> Sp . . . . . . . . . . . . . .Spike Concentration Added to Sample <br /> MS . . . . . . . . . . . . . Matrix Spike Result <br /> I 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 /> I RPD. . . . Relative Percent Dtfference, ((MS-MSD)/(MS+MSD)/2) X 100 <br /> Acceptance Limits . . . Statistically determined on an annual basis <br /> DEL MAR ANALYTICAL <br /> f <br />