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Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493 <br />New Elk Mine <br />Project ID: <br />Sample ID: SPRS -1 <br />Wet Chemistry <br />ACZ Sample ID: <br />L18733 -01 <br />Date Sampled: <br />06105114 11:15 <br />Date Received: <br />06106114 <br />Sample Matrix: <br />Surface Water <br />Parameter <br />EPA i tettto -------- <br />------ <br />r;mLl� <br />Alkalinity as CaCO3 <br />SM2320B - Titration <br />Bicarbonate as <br />1 <br />51 <br />mg /L <br />2 <br />20 <br />06/14/14 0:00 <br />abd <br />CaCC3 <br />Carbonate as CaCO3 <br />1 <br />U <br />mg /L <br />2 <br />20 <br />06/14/14 0:00 <br />abd <br />Hydroxide as CaCO3 <br />1 <br />U <br />mg /L <br />2 <br />20 <br />06/14/14 0:00 <br />abd <br />Total Alkalinity <br />1 <br />51 <br />mg /L <br />2 <br />20 <br />06/14/14 0:00 <br />abd <br />Cation -Anion Balance <br />Calculation <br />Cation -Anion Balance <br />5.2 <br />% <br />07/01/14 9:21 <br />calc <br />Sum of Anions <br />1.38 <br />meq /L <br />07/01/14 9:21 <br />calc <br />Sum of Cations <br />1.53 <br />meq /L <br />07/01/14 9:21 <br />calc <br />Chloride <br />SM4500CI -E <br />1 <br />1.2 <br />B <br />* mg /L <br />0.5 <br />2 <br />06/24/1418:11 <br />mpb <br />Conductivity @25C <br />SM2510B <br />1 <br />163 <br />umhos /cm <br />1 <br />10 <br />06/14/14 14:01 <br />abd <br />Fluoride <br />SM450OF -C <br />1 <br />0.15 <br />B <br />mg /L <br />0.05 <br />0.3 <br />06/19/1412:45 <br />abd <br />Hardness as CaCO3 <br />SM2340B - Calculation <br />71 <br />mg /L <br />0.8 <br />4 <br />07/01114 9:21 <br />calc <br />Lab Filtration (0.45um <br />SOPWC050 <br />1 <br />06/19/14 11:40 <br />abd <br />filter) <br />Lab Filtration (0.45um) <br />M200.7/200.8 <br />1 <br />06/09/14 19:02 <br />las <br />& Acidification <br />Nitrate as N, dissolved <br />Calculation: NO3NO2 minus NO2 <br />0.34 <br />mg /L <br />0.02 <br />0.1 <br />07/01/14 9:21 <br />calc <br />Nitrate /Nitrite as N, <br />M353.2 - Automated <br />1 <br />0.34 <br />mg /L <br />0.02 <br />0.1 <br />06/06/14 20:07 <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 />06/06/14 20:07 <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 />06/23/14 16:09 <br />bsu <br />pH (lab) <br />SM4500H+ B <br />pH <br />1 <br />7.8 <br />H <br />units <br />0.1 <br />0.1 <br />06/14/14 0:00 <br />abd <br />pH measured at <br />1 <br />23 <br />C <br />0.1 <br />0.1 <br />06/14/14 0:00 <br />abd <br />Residue, Filterable <br />SM2540C <br />1 <br />100 <br />mg /L <br />10 <br />20 <br />06/12/14 18:04 <br />enb <br />(TDS) @180C <br />Residue, Non- <br />SM2540D <br />1 <br />36 <br />* mg /L <br />5 <br />20 <br />06/10/14 12:08 <br />nml <br />Filterable (TSS) <br />@105C <br />Sodium Adsorption <br />USGS - 11738 -78 <br />0.1 <br />07/01/14 9:21 <br />calc <br />Ratio in Water <br />Sulfate <br />D516 -02 - Turbidimetric <br />1 <br />13.8 <br />mg /L <br />1 <br />5 <br />06/24/14 12:11 <br />tcd <br />Sulfide as S <br />SM4500S2 -D <br />1 <br />U <br />* mg /L <br />0.02 <br />0.1 <br />06/10/14 11:42 <br />enb <br />TDS (calculated) <br />Calculation <br />77.2 <br />mg /L <br />07/01/14 9:21 <br />calc <br />TDS (ratio - <br />Calculation <br />1.30 <br />07/01/14 9:21 <br />calc <br />measured /calculated) <br />REPIN.02.06.05.01 * Please refer to Qualifier Reports for details. <br />L18733- 1407011206 Page 5 of 33 <br />