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• www.ewgylab.com Helena,mT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> LW E=d&=Ilb`"t Gillette,WY 866-666-7175•Rapid City,SD 888-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/13/14 <br /> Project: Schwartz-GW 4/23/14 S27445 Work Order: C14040728 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E353.2 Analytical Run:TECHNICON_140428A <br /> Lab ID: CCV-31 Continuing Calibration Verification Standard 04/28/14 13:09 <br /> Nitrogen,Nitrate+Nitrite as N 0.990 mg/L 0.10 99 90 110 <br /> Method: E353.2 Batch: R185933 <br /> Lab ID: MBLK-1 Method Blank Run:TECHNICON 140428A 04/28/14 11:54 <br /> Nitrogen,Nitrate+Nitrite as N ND mg/L 0.05 <br /> Lab ID: LFB-3 Laboratory Fortified Blank Run:TECHNICON_140428A 04/28/14 11:59 <br /> Nitrogen,Nitrate+Nitrite as N 1.97 mg/L 0.10 101 90 110 <br /> Lab ID: C14040728-001GMS Sample Matrix Spike Run:TECHNICON_140428A 04/28/14 13:17 <br /> Nitrogen,Nitrate+Nitrite as N 2.10 mg/L 0.10 94 90 110 <br /> Lab ID: C14040728-001GMSD Sample Matrix Spike Duplicate Run:TECHNICON_140428A 04/28/14 13:19 <br /> Nitrogen,Nitrate+Nitrite as N 2.10 mg/L 0.10 94 90 110 0.0 10 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 14 of 20 <br />