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- k <br /> E 2852 Alt . .Irvine.CA 92714 (714)261-1022 FAX(714l261-1228 <br /> ley <br /> te A,Colton.CA 92324 <br /> 7 FAX <br /> 9;370-1046 <br /> Del VlarAnal V tical 16525 Sherma Way,S pe C-11 11.Van Nuys,CA 91406 18018}779-1844 FAX 18018)779-1843 <br /> J 'I ite 1,Tempe.AZ 85281 (602)968-8272 FAX 16021 968.1338 <br /> EPA Method 8015/8020 <br /> Matrix: Water <br /> Date: 01/02/97 <br /> i . <br /> Sample #: LBS <br /> Batch #: GA02G11 W ` <br /> Analyte R1 Se MS MSD PR1 PR2 RPD Mean PR Acceptance Limits <br /> ppb ppb ppb ppb % % ; % % RPD Mean PR <br /> TPH 0 200 178 172 89 86 ► 3.5 88 :S11 1 70-116 <br /> Benzene 0 20 19 20 96 99 3.4 98 :22 1 83-115 <br /> Toluene I 0 20 20 20 98 101 3.2 100 <22 85- 120 <br /> Ethylbenzene 1 0 20 19 20 97 100 E 3.0 99 X22 85- 118 <br /> Xylenes 110 , 60 62 62 1 103 104 0.96 104 1,LL23 85- 119 <br /> Definition of Terms <br /> R1. . . . . . . . . . . . . . . . . . . . Result of Sample Analysis <br /> 1 <br /> Sp. . . . . . . . . . . . . . . . . . . Spike Concentration added to sample <br /> MS. . . . . . . . . . . . . . . . . . . . Matrix Spike Result <br /> 5 <br /> MSD. . . . . . . . . . . . . . . . . . . Matrix Spike Duplicate Result <br /> PRI. . . . . . . . . . . . . . . . . . . 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 /> Mean PR. . . . . . . . . . . . . . . Mean Percent Recovery <br /> Acceptance Limits . . . . . . Determined by in-house Control Charts: <br /> f <br /> Del Mar Analytical <br /> f( . <br />