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t-3 <br /> pro�oa,Number. SFB.175.0204.12 <br /> Consultant Pralect Number. 16000.206044 <br /> Contract Number: N46fiWCO244.9•X <br /> - Facility Number: 96465 <br /> Work Order Number: D005314 <br /> Report Issue Date: May 22,1990 <br /> Table 6 <br /> REAGENT <br /> RE <br /> RECOVERY AND RELAY VE PERCENT DIFFERENCE(RPD)REPORT <br /> AND REAGENT WATER SPIKE DUPLICATESD� <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Water <br /> — EPA Method 8020/8015 <br /> Date of Analysis: 05/17/90 Units: ug/L <br /> ConcentrationWS,% `JVSD, <br /> Analyte Added WS Resuit Recovery WSD Result Recovery <br /> r' Benzene 25 25.6 1402 25.2 101 <br /> Toluene 25 25.6 02 25.2 101 <br /> Ethylbenzene 25 24.9 100 24.5 98 <br /> �. <br /> X ene total 75 76.6 105 77.2 103 <br /> Acceptability Limitsl <br /> Analyte RPD,% Maximum RPD,% %Recovery <br /> Benzene 1 30 84-128 <br /> L, `i oluene 1 30 83-122 <br /> LXEen <br /> thylbenzene 2 30 82-120 <br /> etotal 2 30 86-12 <br /> is <br /> l i 1 =Acceptability limits are derived from the 99%confidence interval of all samples during the <br /> previous quarter. <br /> r � <br /> I <br /> , <br /> I <br /> GTEL Concord,CA Pa 9eaof8 <br /> ' <br /> D005314.DOC <br /> V ' <br /> i EN V I Ra N M E NTAI <br /> 10=V LAba RAt0QIt$. INC. - <br /> .r <br />