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Projeet Number:116000-2 0.0.14 2 <br /> Consultant PolContract <br /> CO244•9-X <br /> Facility Number: 9.6155 <br /> «r3� Work Crder Number: 0010838 <br /> p4eport Issue Date: November 5.1990 <br /> Table 5 <br /> MATRIX SPIKE(MS)AND MATRIX SPIKE DUPLICATE(MSD) RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD)REPORT <br /> Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8015 <br /> Units: mg/K9 <br /> 1 Date of Analysis: 11/01/90 Client 10 SP-`} <br /> Sample Used: 0010650-04 <br /> MS % MSD. % <br /> Sample Concentration MSD Recovary <br /> Analyte Result Added MSR Recovery Result <br /> f. 89 2.49 87 <br /> NO 2.86 2.55 <br /> Benzene 90 2.49 87 <br /> f <br /> NO 2.86 2.56 <br /> ( Toluene 2.54 89 2.48 87 <br /> ND 2.86 B6 <br /> Ethylbenzene 7.49 87 7'35 <br /> Xylene(total) ND 8.58 <br /> i� <br /> Acceptability Limits' <br /> Maximum RPD,°b 90 Recovery <br /> Analyte RSD'% 30 50-112 <br /> Benzene 2 50-108 <br /> )a 3 30 <br /> Toluene 30 50-113 <br /> Ethylbenzene2 50-114 <br /> 1 30 <br /> Xylene(total) <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 /> previous quarter. <br /> < i <br /> �o <br /> 9 <br /> i <br /> I , <br /> fx Page 7 of 7 <br /> G7EL Concord.0A <br /> C010836.000 <br /> GTELlaw L INC.t <br /> iw <br /> r <br />