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McCampbell Analytical, lllc. 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />.`- .. Web: www.mccampbell.com E-mail: main@mccampbell.com <br />"When Oualitv Counts" Telephone: 877-252-9262 Fax: 925-252-9269 <br />QC SUMMARY REPORT FOR WET CHEMISTRY TESTS <br />Test Method: pH Matrix: S WorkOrder: 0810269 <br />Method Name: <br />SW9045D <br />Units ±, pH units @ °C <br />10/13/08 7:30 PM <br />BatchlD: 38771 <br />Lab ID <br />Sample <br />DF Dup / Ser. Dil. DF <br />Precision <br />Acceptance Criteria <br />0810269-001 B <br />7.14 l&_ 26.0°C <br />1 7.14 @ 26.0°C 1 <br />0 <br />0.05 <br />0810269-003B <br />7.17 @ 25.5°C <br />1 7.16 @ 25.5°C 1 <br />0.01 <br />0.05 <br />0810269-004B <br />9.64 @ 25.4°C <br />1 9.65 @ 25.3°C 1 <br />0.01 <br />0.05 <br />0810269-006B <br />7.54 @ 25.4°C <br />1 7.53 @ 25.5°C 1 <br />0.01 <br />0.05 <br />0810269-007B <br />6.52 @ 25.1°C <br />1 6.51 @ 25.2°C 1 <br />0.01 <br />0.05 <br />0810269-009B <br />6.65 @ 25.3°C <br />1 6.66 @ 25.3°C I <br />0.01 <br />0.05 <br />0810269-01 OB <br />8.02 @ 25.4°C <br />1 8.01 @ 25.3°C 1 <br />0.01 <br />0.05 <br />0810269-012B <br />7.81 @ 25.3°C <br />1 7.80 @ 25.3°C 1 <br />0.01 <br />0.05 <br />0810269-013A <br />7.18 @ 26.1 °C <br />1 7.17 @ 25.8°C 1 <br />0.01 <br />0.05 <br />0810269-015B <br />7.38 @ 25.2°C <br />1 7.37 @ 25.1 °C 1 <br />0.01 <br />0.05 <br />0810269-017B <br />7.22 @ 25.3°C <br />1 7.21 @ 25.2°C 1 <br />0.01 <br />0.05 <br />0810269-018B <br />7.05 @ 25.1 °C <br />1 7.06 @ 25.1 °C 1 <br />0.01 <br />0.05 <br />0810269-020B <br />7.26 @ 25.2°C <br />1 7.27 @ 25.2°C I <br />0.01 <br />0.05 <br />0810269-021 B <br />8.61 @ 25.3°C <br />I 8.62 @ 25.2°C 1 <br />0.01 <br />0.05 <br />0810269-023B <br />5.68 @ 25.3°C <br />1 5.67 @ 25.3°C 1 <br />0.01 <br />0.05 <br />0810269-024B <br />6.28 @ 25.3°C <br />1 6.29 @ 25.3°C 1 <br />0.01 <br />0.05 <br />0810269-0268 <br />5.38 @ 25.9°C <br />1 5.39 @ 25.7°C 1 <br />0.01 <br />0.05 <br />0810269-027A <br />5.34 @ 24.9°C <br />1 5.33 @ 24.9°C 1 <br />0.01 <br />0.05 <br />0810269-028A <br />7.19 @ 25 2°C <br />1 7.18 @ 24.9°C 1 <br />0.01 <br />0.05 <br />BATCH 38771 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />0810269-OOIB <br />10/09/08 10:48 AM <br />10/13/08 <br />10/13/08 7:30 PM <br />0810269-003B <br />0/09/08 10:54 AM <br />10/13/08 <br />10/13/08 7:36 PM <br />0810269-004B <br />10/09/08 9:41 AM <br />10/13/08 <br />10/13/08 7:42 PM <br />0810269-006B <br />10/09/08 9:45 AM <br />10/13/08 <br />10/13/08 7:48 PM <br />0810269-007B <br />10/09/08 11:15 AM <br />10/13/08 <br />10/13/08 7:54 PM <br />0810269-009B <br />0/09/08 11:24 AM <br />10/13/08 <br />10/13/08 8:00 PM <br />0810269-OIOB <br />0/09/08 11:02 AM <br />10/13/08 <br />10/13/08 8:06 PM <br />0810269-012B <br />0/09/08 11:07 AM <br />10/13/08 <br />10/13/08 8:12 PM <br />0810269-013A <br />;0/09/08 11:39 AM <br />10/13/08 <br />10/13/08 8:18 PM <br />0810269-015B <br />0/09/08 11:33 AM <br />10/13/08 <br />10/13/08 8:24 PM <br />0810269-017B <br />10/09/08 11:37 AM <br />10/13/08 <br />10/13/08 8:30 PM <br />0810269-018B <br />0/09/08 10:09 AM <br />10/13/08 <br />10/13/08 6:30 PM <br />0810269-020B <br />0/09/08 10:13 AM <br />10/13/08 <br />10/13/08 6:36 PM <br />0810269-021B <br />0/09/08 10:32 AM <br />10/13/08 <br />10/13/08 6:42 PM <br />0810269-023B <br />10/09/08 10:36 AM <br />10/13/08 <br />10/13/08 6:48 PM <br />0810269-024B <br />0/09/08 10:20 AM <br />10/13/08 <br />10/13/08 6:54 PM <br />0810269-026B <br />10/09/08 10:24 AM <br />10/13/08 <br />10/13/08 7:00 PM <br />0810269-027A <br />0/09/08 11:26 AM <br />10/13/08 <br />10/13/08 7:06 PM <br />p = 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 />DHS ELAP Certification 1644 '1/21- QA/QC Officer <br />