Laserfiche WebLink
Project Number 5FB-175-0204 72 <br /> Consultant Project Number 16000-250 044 <br /> Contract Number N46CWCO24�-9-X <br /> Facility Number 9-6155 <br /> Work Order Number 0010846 <br /> Report Issue Date November 8, 1990 <br /> Table 5 <br /> MATRIX SPIKE (MS) AND MATRIX SPIKE DUPLICATE (MSD) RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE (RPD) REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis 11/05/90 Client ID TC20 <br /> Sample Used C010748-10 Units mg/Kg <br /> Sample Concentration MS, % MSD, % <br /> Analyte Result Added MS Result Recovery MSD Recovery <br /> Result <br /> Benzene NO 2 86 1 75 61 1 65 58 <br /> Toluene NO 286 1 82 64 1 71 60 <br /> Ethylbenzene NO 2 86 1 91 67 1 79 63 <br /> Xylene (total) 003 858 5 61 65 5295 61 <br /> Acceptability Limits' <br /> Analyte RPD, % Maximum RPD, % % Recovery <br /> Benzene 5 30 50 - 112 <br /> Toluene 6 30 50 - 108 <br /> Ethylbenzene 6 30 50 - 113 <br /> Xylene (total) 6 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 /> previous quarter <br /> . GTEL Concord CA Page 7 of 7 <br /> COIC846 DOC GTEL <br /> EN Vi ROHPA E4 A <br /> ® LAr&ORATO2IES WC <br />