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i <br /> I <br /> i-s <br /> Protect Number. SF&175-02D4.72 <br /> Consultant Project Number. 1600.256044 <br /> Contract Number; N46CWCO244-9-X <br /> pu Facility Number: 9-6155 <br /> Work Order Number: C009524 <br /> FiepurlIssue Dzte: September27,1990 <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 Scii <br /> EPA Method 8020/8015 <br /> Date of Analysis: 09/24/90 Client ID: 6-ABC <br /> Sample Used: 0009524-06 Units: mg/Kg <br /> Sample Concentration MS, % MSD, 9b <br /> Analyte Result Added MS Result recovery MSD Recovery <br /> �.. Result <br /> I,^ Benzene <0.005 2.66 2.38 83 2.37 83 <br /> Toluene c0.005 2.86 2.45 86 2.45 86 <br /> Ethylbenzene <0,005 2.86 2.43 85 2.40 84 <br /> Xylene(total) <0.015 8.56 -7.14 $3 7.15i 84 <br /> Analyte AgM5ACjce <br /> Benzene Toluene Ethyfbenzene 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 /> GTEL Concord,CA Page 7 of 7 <br /> C009524.DCC <br /> GTE L <br /> - - FM V I1?O NM F N II I, <br /> j -. :... <br /> t;I= i•Foa.eoclFs. INC. <br />