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QUALITY ASSURANCE REPORT <br /> SPIKE DUPLICATE RESULTS <br /> ►►`�f�IUVV��I <br /> Client: Lab Number: QSD SA2305 <br /> ZymaX envirotechnology, inc. Collected: <br /> 71 Zaca Lane, Suite 110 Received: <br /> . San Luis Obispo, CA 93401 Matrix: Aqueous <br /> r- <br /> Project: Sample Description: <br /> Quality Assurance Spike Duplicate <br /> Project Number: Analyzed: 07/07/01 <br /> Collected by: Method: See Below <br /> rs <br /> CONSTITUENT Amount Spiked Amount Recovered Percent Relative Percent <br /> ug/L ug/L Recovery Difference* <br /> TOTAL PETROLEUM HYDROCARBONS SILICA GEL <br /> Total Petroleum Hydrocarbons (C10-C26) 1000. 405. 41 25 <br /> i ' <br /> Percent Surrogate Recovery 61 <br /> ZymaX envirotechnology, inc. is certified by CA Department of Health Services: Laboratory #1717 <br /> *Relative Percent Difference of the spike and spike duplicate <br /> Note: Analyzed by EPA 8270 and GC/MS Combination. <br /> Note: Extracted by EPA 3510 on 07/04/01. <br /> Note: Cleanup performed on extract by EPA 3630 (Silica Gel) on 07/05/01. <br /> Note: Analytical range is C10-C40. <br /> Vote: Spiked with diesel fuel. <br /> Submitted by, <br /> ZymaX envirotechnology, inc. <br /> SA2305 <br /> MSD #4 <br /> SA2305s.xls Michael Ng <br /> MN/sw/dz/ag Assistant Lab Director <br /> 5 <br /> 805.544.4696 71 Zo`o LOfe <br /> Son Luis Obispo CA 93401 <br /> www.zymaxusa.com fox 805.544.8226 <br />