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■ wwwowdah.com Helena, MT 877- 472 -0711 • Billings, MT 600.735 -4489 • Casper, WY 888- 235 -0515 <br />m]n An~ Excalsem Skrca 1052 Gillette, WY 866- 686 -7175 • Rapid City, SO 888 - 672 -1225 - CDIIege Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />05/01/13 <br />Project: Schwartz SW 4/03/13 S26860 <br />Work Order: <br />C13040198 <br />Analyte Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: A2540 D <br />Batch: 130405_1_SLDS -TSS -W <br />Sample ID: MBLK1_130405 <br />Method Blank <br />Run: BAL- 19_130405A <br />04/05/13 10:14 <br />Solids, Total Suspended TSS @ 105 C <br />ND mg /L <br />2 <br />Sample ID: LCS1_130405 <br />Laboratory Control Sample <br />Run: BAL- 19_130405A <br />04/05/13 10:14 <br />Solids, Total Suspended TSS @ 105 C <br />180 mg /L <br />6.0 <br />90 60 110 <br />Sample ID: C13040177- 002BDUP <br />Sample Duplicate <br />Run: BAL- 19_130405A <br />04/05/13 10:14 <br />Solids, Total Suspended TSS @ 105 C <br />21.0 mg /L <br />6.0 <br />0.0 <br />5 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 7 of 25 <br />