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i� <br /> ! N L O fl P Q R A 7 E Q ® REPORT OF LABORATORY ANALYSIS <br /> 58E aS SUna BLE aF aUat111 <br /> Mr. Doug Oram QUALITY CONTROL DATA June 14, 1991 <br /> Page 8 PACE Project Number: 410611503 <br /> EX7-3942/EA10246.19 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 04174 <br /> Samples: 70 0052416, 70 0052424, 70 0052432, 70 0052440, 70 0052459 <br /> 70 0052467, 70 0052475 <br /> -- METHOD BLANK: <br /> Method <br /> Parameter _Units MDL Blank <br /> TGTAL FUEL HYDROCARBONS, (LIGHT): <br /> Purgeable Fuels, as Gasoline (EPA 801 ug/L 50 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020 - <br /> Benzene ug/L 0.5 ND <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> ^„ Xylenes, Total ug/L 1.0 ND <br /> SPIKE AND SPIKE DUPLICATE: <br /> r— Spike <br /> Spike Dupl <br /> ~ Parameter Units MDL 70 0007909 Spike Recv Recv RPD <br /> Pur <br /> FF Te Fuels, as Gasoline (EPA 801 ug/LL 50 ND 384.00 1060 110�e 3% <br /> Benzene ug/L 0.5 ND 40.00 101% 104% 2% <br /> Toluene ug/L 0.5 NO 40.00 105% X09% 3% <br /> Xylenes, Total ug/L 0.5 ND <br /> Xylenes, Total ug/L 1.0 120.00 113% 117% 3% <br /> MDL Method Detection Limit <br /> ND Not detected at or above the MDL. <br /> RPO Relative Percent Difference <br /> 11 Digital Drive 0flices Serving: Minneapolis,Minnesota Charlotte,North Carolina An Equal flpporlunily Emplayer _ - <br /> Navajo.CA 94949 Tampa,Florida Asheville.North Carolina <br /> TEL:415 883.6100 Iowa City,Iowa New York,New York <br /> FAX:415883-2673 - San Francisco,Calilornia Pittsburgh,Pennsylvania <br /> Kansas City,Missouri 0envet,Colorado <br /> Los Angeles,Calilornia - - . <br />