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®� McCampbellAnalytical. lnc. Web:1534 Will.Pass Road,Pittsburg,CA 94565-1701 <br /> wwwmccampbell.com E-mad:main@mccampbell.com <br /> . "When Quality Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR WET CHEMISTRY TESTS <br /> Test Method: Total Dissolved Solids Matrix: W WorkOrder: 0810330 <br /> Method Name: SM2540C Units mg/L BatchlD: 38859 <br /> Lab ID Sample DF Dup/Ser.Dil. DF %RPD Acceptance Criteria(%) <br /> 0810330-OOIC 854 1 925 5 7.98 <20 <br /> 0810330-004C 2920 1 2820 1 3.35 <20 <br /> 0810330-OOSC 1700 1 1600 1 5.89 <20 <br /> 0810330-006C 1600 l 1630 I 2.04 <20 <br /> BATCH 38859 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0810330-OO1C (0/13/08 11:15 AM 10/13/08 10/14/08 5:00 PM 0810330-004C 10/13/08 1:30 PM 10/13/08 10/14/08 5:30 PM <br /> 0810330-OOSC 10/13/08 3:15 PM 10/13/08 10/14/08 5:10 PM 0810330-006C 10/13/08 3:25 PM 10/13/08 10/14/08 5:20 PM <br /> • <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 /> accurate. <br /> DHS ELAP Certification 1644 "' QA/QC Officer <br />