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M C 1. a m phe Analytical, Inc,1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />r✓Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />"When Quality Counts" http://www.mccampbef.com / E-mail: main@nccampbell.com <br />QC SUMMARY REPORT FOR WET CHEMISTRY TES'T'S <br />Test Method: <br />SW9045D (pH) <br />Matrix: S <br />WorkOrder: 1112175 <br />Method Name: SW9045D <br />Units: t, pH units @ °C <br />BatchlD: 63136 <br />Lab ID <br />1112175-00] A <br />Sample <br />8.19 @ 22.2°C <br />DF Dup / Ser. Dil. DF Precision <br />1 8.19 @ 22.2-C 1 0 <br />Acceptance Criteria <br />0.1 <br />Lab ID <br />Date Sampled Date Extracted <br />BATCH 63136 SUMMARY <br />Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />1112175-OOIA <br />12/05/112:00 PM 12/09/11 <br />12/09/113:00 PM <br />Test Method: <br />SWchpt7 CN (Reactive Cyanide) <br />Matrix: S <br />WorkOrder: 1112175 <br />Method Name: SWchpt7_CN <br />Units: pos/neg <br />BatchlD: 63259 <br />Lab ID <br />1112175-001A <br />Sample <br />neg <br />DF Dup / Ser. Dil. DF % RPD <br />1 neg 1 N/A <br />Acceptance Criteria (%) <br />N/A <br />Lab ID <br />Date Sampled Date Extracted <br />BATCH 63259 SUMMARY <br />Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />1112175-OOIA <br />12/05/112:00 PM 12/09/11 <br />12/09/116:00 PM <br />Test Method: <br />SWchpt7_S (Reactive Sulfide) <br />Matrix: S <br />WorkOrder: 1112175 <br />Method Name: SWchpt7_S <br />Units: pos/neg <br />BatchlD: 63259 <br />Lab ID <br />1112175-001A <br />Sample <br />neg <br />DF Dup / Ser. Dil. DF % RPD <br />1 neg 1 N/A <br />Acceptance Criteria (%) <br />N/A <br />Lab ID <br />Date Sampled Date Extracted <br />BATCH 63259 SUMMARY <br />Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />1112175-OOIA <br />12/05/11 2:00 PM 12/09/11 <br />12/09/116:00 PM <br />W V <br />ffie 4� 64 .a 4.R.t �d13 <br />ENV <br />IR MENTALPERMHE <br />IPSERVIC yAL <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 <br />QA/QC Officer <br />Page 16 of 16 <br />