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- www-ene &ab.com � Helena, MT 871472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -8515 <br />sm yes Gillette, WY 866 -886 -7175 a Rapid City, SD 886- 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />02/03/14 <br />Project: Schwartz GW 12/23/13 S27306 <br />Work Order: <br />013120854 <br />Analyte <br />Count Result Units <br />RL <br />0/6REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E353.2 <br />Batch: 6_11217864 <br />Sample ID: MBLK <br />Method Blank <br />Run: SUB- B217864 <br />01/15/14 10:09 <br />Nitrogen, Nitrate +Nitrate as N <br />ND mg /L <br />0.001 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB- B217864 <br />01/15/14 10:10 <br />Nitrogen, Nitrate +Nitrite as N <br />1.02 mg /L <br />0.010 <br />102 <br />90 110 <br />Sample ID: C14010292 -002E <br />Sample Matrix Spike <br />Run: SUB- B217864 <br />01/15/14 10:49 <br />Nitrogen, Nitrate +Nitrite as N <br />1.05 mg /L <br />0.010 <br />105 <br />90 110 <br />Sample ID: C14010292 -002E <br />Sample Matrix Spike Duplicate <br />Run: SUB- B217864 <br />01/15/14 10:51 <br />Nitrogen, Nitrate +Nitrite as N <br />1.03 mg /L <br />0.010 <br />103 <br />90 110 1.3 <br />10 <br />Method: E353.2 <br />Batch: R182134 <br />Sample ID: MBLK -1 <br />Method Blank <br />Run: TECHNICON_131230A <br />12/30/13 10:56 <br />Nitrogen, Nitrate+Nitrite as N <br />ND mg /L <br />0.02 <br />Sample ID: LFB -3 <br />Laboratory Fortified Blank <br />Run: TECHNICON_131230A <br />12/30/13 11:01 <br />Nitrogen, Nitrate +Nitrite as N <br />1.95 mg /L <br />0.10 <br />99 <br />90 110 <br />Sample ID: C13120827- 001AMS <br />Sample Matrix Spike <br />Run: TECHNICON_131230A <br />12/30/13 11:06 <br />Nitrogen, Nitrate +Nitrite as N <br />4.46 mg /L <br />0.10 <br />101 <br />90 110 <br />Sample ID: C13120827- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: TECHNICON_131230A <br />12/30/13 11:09 <br />Nitrogen, Nitrate +Nitrite as N <br />4.47 mg /L <br />0.10 <br />102 <br />90 110 0.2 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 21 of 31 <br />