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a n <br /> s IN <br /> Y: r" r <br /> 2 <br /> BEIM <br /> I H 1, r o 11 , 1 REPORT OF LABORATORY ANALYSIS <br /> lul aSSU It A CI A ou a l l II <br /> Mr. Doug Oram QUALITY CONTROL DATA October 22, 1991 <br /> Page 15 PACE Project Number: 411015508 <br /> Client Reference: Exxon 7-3942 <br /> TAH GASOLINE/BTEX <br /> Batch: 70 07037 <br /> Samples: 70 0101646, 70 0101670 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> OCTAL -FUEL HYDROCARBONS, (LIGHT): <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/1_ 50 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020): _ <br /> Benzene ug/L 0,5 NO <br /> Toluene ug/L 0.5 NO <br /> Ethylbenzene ug/L 0.5 NO <br /> Xylenes, Total ug/L 0.5 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupi <br /> .r'arameter Units MDL Value Recv Recv RPD <br /> Purgea a Fuels, as Gasoline (EPA 8015) ug/L 50 392 98% 100% 2% <br /> Benzene ug FL 0.5 40.0 104% 105% 0% <br /> Toluene uy�L 0.5 40.0 104% 105% 0% <br /> Ethylbenzene ug/L 0.5 40.0 105% 106% 0% <br /> Xylenes, Total ug/L 0.5 80,0 105% 105% 0% <br /> MDL Method Detection Limit <br /> NO Not detected at or above the MDL. <br /> RPD Relative Percent Difference <br /> 11 Digital 11tive offices scoring: Minneapolis.Minasota Charlalle,NOW$Catalina An Equal pppnrluniry Employm <br /> Novato.CA 94949 Tampa,Florida Asheville.North Carolina <br /> TEL 415190&6100lawn City,Iowa New York,New York <br /> FAX:415083.2 673 <br /> 083.2873 San Francisco,Cahlornia <br /> I'itrshorgll,Paannsylvama <br /> Kansas City,Missou i Elmer,Colorado <br /> lcs Angeles,Caldamb <br />