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. . pace <br /> o R P O R A T E U 3 REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br />�1r. Jim Brownell QUALITY CONTROL DATA July 23, 1993 <br /> Page 20 PACE Project Number: 430716521 <br /> Client Reference: Exxon 7-3330 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 22736 <br /> Samples: 70 0114926, 70 0114934 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/kg wet 200 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) - <br /> Benzene ug/kg wet 1 .0 ND <br /> Toluene ug/kg wet 1 .0 ND <br /> Ethylbenzene ug/kg wet 1 .0 ND <br /> Xylenes, Total ug/kg wet 1 .0 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> arameter Units MDL Value Recv Recv RPD <br /> Purgea a Fuels, as Gasoline (EPA 8015M ug g wet 200 1000 -96% 87% 1% <br /> Benzene ug/kg wet 1 .0 40.0 88% 86% 2% <br /> Toluene ug/kg wet 1 .0 40.0 91% 89% 2% <br /> Ethylbenzene ug/kg wet 1 .0 40.0 94% 92% 2% <br /> Xylenes, Total ug/kg wet 1 .0 120 93% 91% 2% <br /> r <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415883.6180 <br /> FAX: 415-883.2673 <br />