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�® McCamnbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccampheILcom E-mail:main@mccampbell.com <br /> "When Oualiry Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR WET CHEMISTRY TESTS <br /> Test Method: Fractional Organic Content Matrix: S WorkOrder: 0906804 <br /> Method Name: ASTMD2974-87 Units ±, wet wt% BatchlD: 44102 <br /> ' Lab ID Sample DF Dup/Ser.Dil. DF %RPD Acceptance Criteria(%) <br /> 0906804-OOIA1.5 1 1.5 1 3.59 <20 <br /> 0906804-002A 1.8 1 1.6 1 9.91 <20 <br /> BATCH 44102 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed LabID Date Sampled Date Extracted Date Analyzed <br /> 0906804-001 A )6/25/09 11:55 AM 06/26/09 07/03/09 6:00 PM 0906804-002A 16/25/09 10:00 AM 06/26/09 07/03/09 6:10 PM <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> ' Dup=Duplicate;Ser. Dil.=Serial Dilution;MS=Matrix Spike;RD=Relative Difference;RPD=Relative Percent Deviation. <br /> Precision=Absolute Value(Sample-Duplicate) <br /> RPD=100-(Sample-Duplicate)/[(Sample-Duplicate)/2] <br /> %RPD is calculated using results of up to 10 significant figures,however the reported results are rounded to 2 or 3 significant figures.Therefore there may be a slight <br /> discrepancy between the%RPD displayed above and%RPD calculated using the reported results.MAI considers%RPD based upon more significant figures to be more <br /> Iaccurate. �Q <br /> DHS ELAP Certification 1644 QA/QC Officer <br />