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cice <br /> l N C p R P t3 R A 7 E 0 REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF OEi Att1Y <br /> r. Jan Stepek QUALITY CONTROL DATA February 06, 1992 <br /> Page 16 PACE Project Number: 420129507 <br /> Client Reference: Exxon 7-3942 <br /> TPH GASOLINE/BTEX <br /> Batch 70 09564 <br />' Samples 70 0013461 , 70 0013488, 70 0013496, 70 0013500, 70 0013518 <br /> 70 0013526, 70 0013542, 70 0013550, 70 0013569 <br /> METHOD BLANC <br /> Method <br /> Parameter Units MDL Blank <br />' TOTAL FUEL HYDROCARBONS, (LIGHT) - <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/L 50 ND <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. 0 5 ND <br /> P ABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purgea5f Fuels, as Gasoline (EPA 8015) ug/L. 50 273 87% 879 0% <br /> Benzene ug/L 0 5 40 0 959 999 49 <br /> Toluene ug/L. 0.5 40 0 969 999 39 <br /> Ethylbenzene ug/L 0.5 40 0 999 1039 39 <br />' Xylenes, Total ug/L 0 5 80 0 979 101% 4% <br /> MDL Method Detection Limit <br /> RPD Relative Percent Difference <br /> 1 1 Digital Drive Offices Serving Minneapolis Minnesota Charlotte North Carolina An Equal Opportunay Employer <br /> Novato CA 94949 Tampa Florida Asheville North Carolina <br /> TEL 415 883 5100 Iowa City Iowa New York New York <br /> FAX 415 883 2073 San Francisco California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Los Angeles California <br />