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• www.ewdeb.com Helena,MT$77-472-0711 •Billings,SAT 800-735-4489•Casper,WY 888-235-0515 <br /> Gillette,WY 866-686-7175•Rapid City,So 886-672-1225•College Station,TX 888-699-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 06/13/14 <br /> Project: Schwartz-GW 5/21/14 S27511 Work Order: C14050681 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E353.2 Analytical Run:TECHNICON_140523A <br /> Lab ID: CCV-30 Continuing Calibration Verification Standard 05/23/14 13:39 <br /> Nitrogen,Nitrate+Nitrite as N 0.987 mg/L 0.10 99 90 110 <br /> Method: E353.2 Batch: R186862 <br /> Lab ID: MBLK-1 Method Blank Run:TECHNICON_140523A 05/23/14 12:26 <br /> Nitrogen,Nitrate+Nitrite as N ND mg/L 0.05 <br /> Lab ID: LFB-3 Laboratory Fortified Blank Run:TECH NICON_140523A 05/23/14 12:31 <br /> Nitrogen,Nitrate+Nitrite as N 1.91 mg/L 0.10 97 90 110 <br /> Lab ID: C14050669-001CMS Sample Matrix Spike Run:TECHNICON_140523A 05/23/14 13:47 <br /> Nitrogen,Nitrate+Nitrite as N 1.90 mg/L 0.10 97 90 110 <br /> Lab ID: C14050669-001CMSD Sample Matrix Spike Duplicate Run:TECHNICON_140523A 05/23/14 13:49 <br /> Nitrogen,Nitrate+Nitrite as N 1.93 mg/L 0.10 98 90 110 1.6 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 />