Laserfiche WebLink
Project Number: SF13.175-0204.72 <br /> Consultant Project Number: 203175-3291 <br /> Contract Number: N46CWCO244-9-X <br /> Facility Number: 9-0557 <br /> World Order Number: D004126 <br /> Report Issue Date: April 11, 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: 04/07/90 Client ID: TP-6 <br /> Sample Used: 06 Units: mg/Kg <br /> Sample Concentratio MS, % MSD, % <br /> Analyte Result n Added MS Result Recovery MSD Recovery <br /> Result <br /> Benzene <0.005 2.85 2.24 79 2.24 79 <br /> ToEuene <0.005 2.85 2.52 88 2.45 86 <br /> Ethylbenzene <0.005 2.85 2.49 87 2.22 78 <br /> Xylene total <0.015 8.57 7.01 82 6.7 78 <br /> Acceptability Limitsl <br /> Analyte RPD, % Maximum RPD, % % Recovery <br /> Benzene 0 30 50 - 112 <br /> Toluene 2 30 50 - 108 <br /> Ethylbenzene 11 30 50- 113 <br /> Xyiene 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 pre- <br /> vious quarter. <br /> GTELConcord,CA Page 7 of 7 <br /> DW4 GTEL <br /> Dooalzs.Doc <br /> E N v I PON MENTAL <br /> 11♦ LAED CAIOQIES iNC <br />