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pace� REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE QF QUALITY <br /> Mr. Jim Brownell QUALITY CONTROL DATA PACE 08, 19t4ojecNumber: 4406015 <br /> Page 8 <br /> Client Reference: Exxon 7-3330 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 31033 <br /> Samples: 70 0332621 , 70 0332630, 70 0332648 <br /> METHOD BLANK: Method <br /> Parameter Units MDL Blank <br /> QTAAEU M HYDROCARBONS, (LIGHT) : <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) ug/L 0.5 NO <br /> Benzene <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> Xylenes, Total ug/L 0.5 NO <br /> SPIKE AND SPIKE DUPLICATE: Spike <br /> Spike Oupl <br /> Parameter Units MOL 700330700 Spike Recv Recv <br /> Benzene -d-9—/L 0.5 1 . 1 100 94% 897- <br /> Toluene ug/L 0.5 2.2 100 98% 92% <br /> Ethylbenzene ug/L 0.5 NO 100 101% 96% <br /> Xylenes, Total ug/L 0.5 1 .6 -300 99% 93% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: Reference Dupl <br /> Parameter Units MDL Value Recv Recv R <br /> Benzene ug 0.5 100 1007. 98% <br /> Toluene ug/L 0.5 100 107% 103% <br /> Ethylbenzene ug/L 0.5 100 11I% 106% <br />,i <br /> ug/L 0.5 300 10 <br /> Xylenes, Total8% I06% <br /> 11 Digitai Drive An EQuai Opportunity Employer <br /> Novato. GA 94949 <br /> TEL: 415.883.6100 <br /> FAX: 415.883-2673 <br />