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www.energylab.com Helena, MT 677-472-0711 + Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />_ .: Aaagrlesl faceU8ac8Stau fig Gillette, WY 866.666-7175 • Rapid City, SD 886-672-1225 • College Station, T% 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program-Discharge <br />Report Date: 01 /05/11 <br />Work Order: C10120814 <br />ialyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: A2540 D Datcn: n i 4 i aua <br />Sample ID: MBLK1_ Method Blank Run: BAL-1_101227A 12/27/10 15:27 <br />Solids, Total Suspended TSS @ 105 C ND mg/L 4.0 <br />Sample ID: LCS1_ Laboratory Control Sample Run: BAL-1_101227A 12/27/10 15:27 <br />Solids, Total Suspended TSS @ 105 C 176 mg/L 4.0 88 60 110 <br />Sample ID: C10120814-003ADUP Sample Duplicate Run: BAL-1_101227A 12/27/10 15:28 <br />Solids, Total Suspended TSS @ 105 C 1.20 mg/L 4.0 25 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />Page 3 of 6