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0 <br /> ® McCampbell Analytical, Inc. 534 mccanpass Road,Pi-mail: ain 94565-1701 <br /> Web:www.mccampbell.com E-mail:mvnQmccempbell.wm <br /> "When Ouelity Counts" I 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: 0810383 <br /> Method Name: SM2540C Units mg/L BafchlD: 38859 <br /> Lab ID Sample OF Dup/Ser.Oil. OF %RPD Acceptance Criteria(%) <br /> 0810383-OOIC 2260 1 2250 1 0.487 <20 <br /> 0810383-002C 2700 1 2660 1 1.64 <20 <br /> 0810383-003C 3400 1 3410 5 0.0884 <20 <br /> 0810383-004C 2070 1 2090 1 0.769 <20 <br /> 0810383-005C 1920 I 1950 1 1.96 <20 <br /> 0810383-006C 2320 1 1 2250 1 2.8 <20 <br /> BATCH 38859 SUMMARY <br /> Lab ID Date Sampled Dale Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0810383-OOIC 10/15/08 8:50 AM 10/21/08 10/22/08 7:30 PM 0810383-002C 10/15/08 9:50 AM 10/21/08 10/22/08 7:40 PM <br /> 0810383-003C 10/15/08 10:20 AM 10/21/08 10/22/08 7:50 PM 0810383-004C .0/15/08 11:05 AM 10/21/08 10/22/08 8:00 PM <br /> 0810383-005C 10/15/08 1:10 PM 10/21/08 10/22/08 8:10 PM 0810383-006C 10/15/08 2:25 PM 10/21/08 10/22/08 8:20 PM <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. Q <br /> DHS ELAP Certification 1644 ' QA/QC Officer <br />