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• www.ewgylab.com Helena,MT 877-472-0711 -Billings,W 800-735-4489-Gasper,WY 888-235-0515 <br /> Gillette,WY 866-686-7175-Rapid City,So 886-672-1225-College Station,TX 888-680-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/14/14 <br /> Project: Schwartz-GW 6/25/14 S27548 Work Order: C14060936 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E353.2 Analytical Run:TECHNICON_140702A <br /> Lab ID: CCV-47 Continuing Calibration Verification Standard 07/02/14 13:45 <br /> Nitrogen,Nitrate+Nitrite as N 0.988 mg/L 0.10 99 90 110 <br /> Method: E353.2 Batch: R188221 <br /> Lab ID: MBLK-1 Method Blank Run:TECHNICON 140702A 07/02/14 11:50 <br /> Nitrogen,Nitrate+Nitrite as N ND mg/L 0.05 <br /> Lab ID: LFB-3 Laboratory Fortified Blank Run:TECHNICON_140702A 07/02/14 11:55 <br /> Nitrogen,Nitrate+Nitrite as N 2.04 mg/L 0.10 104 90 110 <br /> Lab ID: C14070007-001DMS Sample Matrix Spike Run:TECHNICON_140702A 07/02/14 14:51 <br /> Nitrogen, Nitrate+Nitrite as N 2.04 mg/L 0.10 104 90 110 <br /> Lab ID: C1 4070007-001 DMSD Sample Matrix Spike Duplicate Run:TECHNICON_140702A 07/02/14 14:54 <br /> Nitrogen,Nitrate+Nitrite as N 2.05 mg/L 0.10 105 90 110 0.5 10 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 15 of 21 <br />