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6McCampbell Analytical, Inc. 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Web: www.mccampbell.com E-mail: main@mccampbell.com <br />"When Cualitv Counts" I Telephone: 877-252-9262 Fax: 925-252-9269 <br />QC SUMMARY REPORT FOR WET CHEMISTRY TESTS <br />Test Method: pH Matrix: W WOrkOrder: 0709126 <br />Method Name: <br />SamplelD <br />SM4500H+B <br />Sample DF <br />Units ±, pH units @ °C <br />Dup / Ser. Dil. DF <br />RD <br />BatchlD: 30396 <br />Acceptance Criteria <br />0709126-001 B <br />7.99 @ 23.8°C 1 <br />7.99 @ 23.8°C 1 <br />0 <br />±0.02 <br />0709126-002B <br />2.58 @ 23.3°C 1 <br />2.58 @ 23.6°C 1 <br />0 <br />±0.02 <br />0709 126-003B <br />8.28 @ 23.8°C 1 <br />8.29 @ 23.7°C 1 <br />0.01 <br />±0.02 <br />0709126-004B <br />8.08 @ 23.6°C 1 <br />8.08 @ 23.7°C 1 <br />0 <br />±0.02 <br />0709126-OOSB <br />8.51 @ 23.7°C 1 <br />8.52 @ 23.6°C 1 <br />0.01 <br />±0.02 <br />0 709 126-006B <br />8.70 @ 23.7°C 1 <br />8.70 @ 23.7°C 1 <br />0 <br />±0.02 <br />0709126-007B <br />7.63 @ 23.4°C 1 <br />7.62 @ 23.4°C 1 <br />0.01 <br />±0.02 <br />0709126-008B <br />7.89 @ 23.4°C 1 <br />7.89 @ 23.4°C 1 <br />0 <br />±0.02 <br />0709126-009B <br />8.11 @ 23.5°C 1 <br />8.12 @ 23.5°C 1 <br />0.01 <br />±0.02 <br />BATCH 30396 SUMMARY <br />Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br />0709126-001 B <br />)9/07/07 10:00 AM <br />09/07/07 <br />09/07/07 8:26 PM <br />0709126-002B <br />:9/07/07 10:30 AM <br />09/07/07 <br />09/07/07 8:30 PM <br />0709126-003B <br />)9/07/07 11:00 AM <br />09/07/07 <br />09/07/07 8:34 PM <br />0709126-004B <br />:9/07/07 11:15 AM <br />09/07/07 <br />09/07/07 8:38 PM <br />0709126-005B <br />)9/07/07 12:00 PM <br />09/07/07 <br />09/07/07 8:42 PM <br />0709126-006B <br />19/07/07 12:15 PM <br />09/07/07 <br />09/07/07 8:46 PM <br />0709126-0078 <br />)9/07/07 12:30 PM <br />09/07/07 <br />09/07/07 8:50 PM <br />0709126-008B <br />09/07/07 1:00 PM <br />09/07/07 <br />09/04/07 8.55 PM <br />0709126-009B <br />09/07/07 9:30 AM <br />09/07/07 <br />09/04/07 9:05 PM <br />Dup = Duplicate; Ser. Oil. = Serial Dilution; MS = Matrix Spike; RD = Relative Difference; RPD = Relative Percent Deviation. <br />RD = Absolute Value (Sample - Duplicate); RPD = 100 ' (Sam - Duplicate) / [(Sample + Duplicate) / 2j. <br />DHS ELAP Certification No 1644 <br />QA/QC Officer <br />