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FUR <br /> Project Number: SFO-M-0204.72 <br /> Consultant Project Number: 16000.246.044 <br /> Contract Num Aar: U46CWCO244.9-X <br /> Facility Number: 9.4/65 <br /> Work order Number: 0003333 <br /> Report Issue Date: March 19, 1990 <br /> Table 5 <br /> MATRIX SPIKE (HS) AND MATRIX SPIKE DUPLICATE (HSO) RcCOVERY <br /> AND RELATIVE PERCENT DIFFERENCE (RPD) REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Solt <br /> EPA Method 8020/6015 <br /> Date of Analysis: 03/14/90 Client ID: NW2A-30.08 <br /> Sample Used: 05 units: MOO <br /> Sample Concentration Ns, % HSD, % <br /> 11 Anatyte Result Added MS Result Recovery NSD Result Recovery <br /> Benzene 0"005 2.86 2.44 a5 2.36 83 <br /> Toiuene -0.005 2.86 2.43 85 2.32 81 <br /> Ethytbenzene -0.005 2.66 2.49 87 2.36 a3 <br /> Xylene (total) -0.015 8.58 7.44 47 7.12 83 <br /> ` Acceptability Limitsl <br /> Analyte RPD, % Maxim= RPD, % %Recovery <br /> Benzene 2 30 50 - 112 <br /> Totuene 5 30 50 - 108 <br /> Ethy(benzene 5 30 50 - 113 <br /> Xylene (total) 5 30 50 - 114 <br /> < = Not Detected at the indicated detection limit <br /> 1 = Acceptability limits are derived from the 99% confidence interval of all samples during the <br /> previcus quarter. <br /> ;y. <br /> GTE!. Concord, CA Page 6 of 6 <br /> D003333.DOC <br /> .� T r L <br /> ' IN VIRON MIN IAI - <br /> lA80RA10911S ING <br />