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ted.. <br /> Project Number: SFS-17-1-02G4.72 <br /> Consultant Pro0.0 <br /> lect Number; 16000.2544 <br /> 1 Contract Number: N46OWCO244.9-X <br /> Facility Number; 9.6155 <br /> Work Order Number; 0009164 <br /> Report Issue Date: September 13,1990 <br /> �3 <br /> i. <br /> Table 5 <br /> MATRIX SPIKF1(MS)AND MATRIX SPIKE DUPLICATE(MSD)RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD)REPORT <br /> ' Purgeabte Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Sol <br /> EPA Method 8020/8015 <br /> Date of Analysis: 09/07/90 Client ID: MW-14(28-30) <br /> y Sample Used: C009075-06 Units: mg/Kg <br /> Sample Concentration MS, 'y MSD MSD, % <br /> Analyte Result Added MS Result Recovery Result Recovery <br /> Benzene <0.005 2.86 2.16 76 2.12 74 <br /> Toluene e0,005 2.86 2.16 76 2.15 75 <br /> Ethylbenzene <0.005 2.86 2.23 78 2.26 79 <br /> a (w' <br /> Xylene(total) <Q.OiS 8.58 6.77 7-9 6.82 79 <br /> Acceptability Llmitst <br /> tI <br /> Analyte RPD,°G Maximum RPD,% %Recovery <br /> l Benzene 3 30 50-112 <br /> Toluene 1 30 50-108 <br /> Cthylbenzene 1 30 50-113 <br /> X lane(total) _ 0 30 50-114 <br /> <# = Not Detected at the indicated detection Iirrlt <br /> r 1 = Acceptability limits are derived from the 9996 confidence interval of all samples during the <br /> i previous quarter. <br /> i <br /> 1~a <br /> GTEL Concord.CA Page 7 of 7 <br /> Ttl�i i <br /> G009i6s.DOC <br /> tsw <br /> rN V 10 ON PA IN IAt - <br /> I _ _ LASORMOR191. INC - <br />