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• �� www.erkergylab.com Helena,W$77-472-0711 •Billings,W 600-735-4489•Casper,WY 888-235-0515 <br /> - Aaalplea Ensh oa Sbw IJ52 Gillette,WY 866-686-7175•Rapid City,SO 686-672-1225•College Station,YX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/21/14 <br /> Project: Schwartz-SW 5/1/14 S27466 Work Order: C14050047 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: A4500-F C Analytical Run:MANTECH_140505A <br /> Lab ID: CCV-7863 Continuing Calibration Verification Standard 05/05/14 11:59 <br /> Fluoride 1.04 mg/L 0.10 104 90 110 <br /> Method: A4500-F C Batch:R186170 <br /> Lab ID: MBLK Method Blank Run: MANTECH 140505A 05/05/14 11:52 <br /> Fluoride 0.02 mg/L 0.01 <br /> Lab ID: LCS-7897 Laboratory Control Sample Run: MANTECH_140505A 05/05/14 11:56 <br /> Fluoride 2.04 mg/L 0.10 101 90 110 <br /> Lab ID: C14050046-001BMS Sample Matrix Spike Run:MANTECH_140505A 05/05/14 12:05 <br /> Fluoride 2.17 mg/L 0.10 95 80 120 <br /> Lab ID: C14050046-001BMSD Sample Matrix Spike Duplicate Run:MANTECH_140505A 05/05/14 12:08 <br /> Fluoride 2.21 mg/L 0.10 97 80 120 1.8 10 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 8 of 27 <br />