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• www.energylab.com J Helena, NT 877-472-0711 Billings, hiT 800-735-4489 • Casper, WY 888-235-0515 <br />Ans"ca/E WozoSkes 1051 Gillette, WY 866-686.7175 • Rapid City, SO 888-672-1225 • College Station, TX 888-690-2218 <br />i <br />QA/QC Summary Report <br />Client: Cotter Corporation Report Date: 08/16/10 <br />Project: Schwartzwalder Water Monitoring Program Work Order: C10070913 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: R135542 <br />Sample ID: LRB 7 Method Blank Run: ICPMS2-C_100730B 07/30/10 13:29 <br />Aluminum ND mg/L 0.0001 <br />Antimony ND mg/L 7E-05 <br />Arsenic 0.0002 mg/L 6E-05 <br />Copper ND mg/L 7E-05 <br />Lead ND mg/L 3E-05 <br />Thallium ND mg/L 1 E-05 <br />Zinc 0.001 mg/L 0.0003 <br />Sample ID: LFB 7 Laboratory Fortified Blank Run: ICPMS2-C_100730B 07130/10 13:36 <br />Aluminum 0.0516 mg/L 0.0010 103 85 115 <br />Antimony 0.0523 mg/L 0.0010 105 85 115 <br />Arsenic 0.0533 mg/L 0.0010 106 85 115 <br />Copper 0.0535 mg/L 0.0010 107 85 115 <br />Lead 0.0529 mg/L 0.0010 106 85 115 <br />Thallium 0.0531 mg/L 0.0010 106 85 115 <br />Zinc 0.0551 mgrL 0.0010 108 65 115 <br />Sample ID: 010070913-010CMS4 7 Sample Matrix Spike Run: ICPMS2-C_100730B 07/31/10 02:26 <br />Aluminum 0.0626 mg/L 0.0010 125 70 130 <br />Antimony 0.0600 mg/L 0.050 113 70 130 <br />Arsenic 0.0678 mg/I- 0.0010 106 70 130 <br />Copper 0.0531 mg/L 0.010 98 70 130 <br />Lead 0.0527 mg/L 0.050 104 70 130 <br />Thallium 0.0578 mg/L 0.0010 105 70 130 <br />Zinc 0.171 mg/L 0.010 96 70 130 <br />Sample ID: C10070913-010CMSD 7 Sample Matrix Spike Duplicate Run: ICPMS2-C_100730B 07/31/10 02:33 <br />Aluminum ND mg/L 0.0010 70 130 20 S <br />Antimony 0.0612 mg/L 0.050 115 70 130 1.8 20 <br />Arsenic 0.0677 mg1L 0.0010 106 70 130 0.1 20 <br />Copper 0.0524 mg/L 0.010 96 70 130 1.3 20 <br />Lead 0.0531 mg/L 0.050 105 70 130 0.9 20 <br />Thallium 0.0582 mg/L 0.0010 106 70 130 0.6 20 <br />Zinc 0.168 mg/L 0.010 90 70 130 1.9 20 <br />Qualifiers: <br />RL - Anatyle reporting limit. <br />MDC - Minimum delectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 34 of 45