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Laboratories, Inc. <br />New Elk Mine <br />Project ID: <br />Sample ID: SPRS -1 <br />Wet Chemistry <br />ACZ Sample ID: <br />L21474 -01 <br />Date Sampled: <br />11/10/14 11:51 <br />Date Received: <br />11/11/14 <br />Sample Matrix: <br />Surface Water <br />Parameter <br />EPA Method Dilution•� <br />�. <br />Alkalinity as CaCO3 <br />SM2320B - Titration <br />Bicarbonate as <br />1 <br />108 <br />mg /L <br />2 <br />20 <br />11/11/14 0:00 <br />id <br />CaCO3 <br />Carbonate as CaCO3 <br />1 <br />7.9 <br />B <br />mg /L <br />2 <br />20 <br />11/11/14 0:00 <br />id <br />Hydroxide as CaCO3 <br />1 <br />U <br />mg /L <br />2 <br />20 <br />11/11/14 0:00 <br />id <br />Total Alkalinity <br />1 <br />116 <br />mg /L <br />2 <br />20 <br />11/11/14 0:00 <br />id <br />Cation -Anion Balance <br />Calculation <br />Cation -Anion Balance <br />-3.6 <br />% <br />12/05/14 8:25 <br />calc <br />Sum of Anions <br />2.9 <br />meq /L <br />12/05/14 8:25 <br />calc <br />Sum of Cations <br />2.7 <br />meq /L <br />12/05/14 8:25 <br />calc <br />Chloride <br />SM45000I -E <br />1 <br />1.7 <br />B <br />* mg /L <br />0.5 <br />2 <br />11/21/1417:50 <br />mpb <br />Conductivity @25C <br />SM2510B <br />1 <br />268 <br />umhos /cm <br />1 <br />10 <br />11/11/14 22:01 <br />id <br />Fluoride <br />SM450OF -C <br />1 <br />0.22 <br />B <br />* mg /L <br />0.05 <br />0.3 <br />11/20/1414:35 <br />enb <br />Hardness as CaCO3 <br />SM2340B - Calculation <br />124 <br />mg /L <br />0.8 <br />4 <br />12/05/14 8:25 <br />calc <br />Lab Filtration (0.45um <br />SOPWC050 <br />1 <br />11/20/14 12:56 <br />enb <br />filter) <br />Lab Filtration (0.45um) <br />M200.7/200.8/3005A <br />1 <br />12/03/14 10:40 <br />& Acidification <br />Nitrate as N, dissolved <br />Calculation. NO3NO2 minus NO2 <br />0.20 <br />mg /L <br />0.02 <br />0.1 <br />12/05/14 8:25 <br />calc <br />Nitrate /Nitrite as N, <br />M353.2 - Automated <br />1 <br />0.20 <br />mg /L <br />0.02 <br />0.1 <br />11/11/14 21:41 <br />pjb <br />dissolved <br />Cadmium Reduction <br />Nitrite as N, dissolved <br />M353.2 - Automated <br />1 <br />U <br />mg /L <br />0.01 <br />0.05 <br />11/11/14 21:41 <br />pjb <br />Cadmium Reduction <br />Nitrogen, ammonia <br />M350.1 - Automated Phenate <br />1 <br />U <br />mg /L <br />0.05 <br />0.2 <br />11/24/14 14:01 <br />mss2 <br />pH (lab) <br />SM4500H+ B <br />pH <br />1 <br />8.4 <br />H <br />units <br />0.1 <br />0.1 <br />11/11/14 0:00 <br />id <br />pH measured at <br />1 <br />19.0 <br />C <br />0.1 <br />0.1 <br />11/11/14 0:00 <br />id <br />Residue, Filterable <br />SM2540C <br />1 <br />164 <br />mg /L <br />10 <br />20 <br />11/13/14 15:40 <br />eaa <br />(TDS) @180C <br />Residue, Non- <br />SM2540D <br />1 <br />5.0 <br />B <br />mg /L <br />5 <br />20 <br />11/14/14 14:17 <br />enb <br />Filterable (TSS) <br />@105C <br />Sodium Adsorption <br />USGS - 11738 -78 <br />0.19 <br />12/05/14 8:25 <br />calc <br />Ratio in Water <br />Sulfate <br />D516-02/-07 - Turbidimetric <br />1 <br />24.8 <br />mg /L <br />1 <br />5 <br />11/24/1415:13 <br />tcd <br />Sulfide as S <br />SM45o0S2 -D <br />1 <br />U <br />* mg /L <br />0.02 <br />0.1 <br />11/11/14 14:34 <br />enb <br />TDS (calculated) <br />Calculation <br />150 <br />mg /L <br />12/05/14 8:25 <br />calc <br />TDS (ratio - <br />Calculation <br />1.09 <br />12/05/14 8:25 <br />calc <br />measured /calculated) <br />REPIN.02.06.05.01 * Please refer to Qualifier Reports for details. <br />L21474- 1412051203 Page 5 of 34 <br />