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www.energylab.com J Helena, MT 677-472-0711 • Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />102 Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, TX 888-690-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation Report Date: 11/29/10 <br />Project: Schwartzwalder Water Monitoring Program Work Order: C10100734 <br />[A,alyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: D2036 Batch: B R155947 <br />Sample ID: C10100734-0031 Sample Matrix Spike Run: SUB-B155947 10/21/10 16:52 <br />Cyanide, Weak Acid Dissociable 0.112 mg/L 0.0050 112 80 120 <br />Sample ID: C10100734-0031 Sample Matrix Spike Duplicate Run: SUB-8155947 10/21/10 16:53 <br />Cyanide, Weak Acid Dissociable 0.113 mg/L 0.0050 113 80 120 0.8 10 <br />Sample ID: LFB Laboratory Fortified Blank Run: SUB-B155947 10/21/10 04:45 <br />Cyanide, Weak Acid Dissociable 0.104 mg/L 0.0050 104 90 110 <br />Sample ID: MBLK Method Blank Run: SUB-B155947 10/21/10 14:47 <br />Cyanide, Weak Acid Dissociable ND mg/L 0.002 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 11 of 29