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T <br /> rrd <br /> t , <br /> Project Number: SFB.175.0204,72 <br /> Consultant Project Number: 16000.20&0.4 <br /> Contract Number: N46CWCO244.9-X <br /> Facility Number: 96465 <br /> Work Order Number: D005307 <br /> Report Issue Date: May 15,1990 <br /> ft <br /> I <br /> Table 5 <br /> MATRIX SPIKE(MS)RECOVERY REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Water <br /> EPA Method 8020/8015 <br /> Date of Analysis: 05/10/90 Client ID: MW-13 <br /> '.` Sample Spiked: 0004769-2B Units: ug/L <br /> ; <br /> ,aMple Concentration Concentration MS MS,% Acceptability <br /> - Analyte Result Added Recovered Result Recovery Limits,,% 1 <br /> Benzene <0.3 25 26.2 26.2 105 71 -123 <br /> Toluene <0.3 J 25 25.7 25.7 103 69-120 <br /> kt!tyibenzene <0.3 25 24.8 24.8 99 72-121 <br /> X lene(total) <0.6 1 25. 75.7 75.7 101 75-123 <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 /> GTEL Concord,CA Page 6 at 7 <br /> Dp053U7A0C <br /> ' EN V 140 NM EN tA: <br /> LABOFArORI S. INC. <br />