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Table 6.Logan Wash Mine Retort Water Analytical Data <br /> LW-003 LW-003 LW-003 LW-003 <br /> SamplelD LW-RETORT (DUP) LW-RETORT (DUP) LW-RETORT (DUP) LW-RETORT (DUP) <br /> SampleDate 5/12/2015 5/12/2015 10/14/2015 10/14/2015 5/23/2016 5/23/2016 10/4/2016 10/4/2016 <br /> Parameters Units <br /> General Chemistry <br /> Alkalinity,Bicarbonate(as CaCO3) mg/L 410 S00 370 B 277 B 354 372 352 334 <br /> Alkalinity,Carbonate(as CaCO3) mg/L 100 390 76 390 B 21.5 26.9 61.6 64.7 <br /> Alkalinity,Total(As CaCO3) mg/L 520 110 440 B --- 375 399 413 J 399 J <br /> Ammonia mg/L 2.8 3.2 2.6 2.8 1.7 1.69 2.6S 1.85 <br /> Bromide mg/L 2.5 U 2.5 U S U S U 0.08 U 0.08 U R R <br /> Chemical Oxygen Demand(COD) mg/L 50 83 81 81 114 87.5 102 12.9 <br /> Chloride mg/L 84 83 67 68 76.8 77.3 80.4 80.5 <br /> Specific Conductivity umhos/cm 8500 8600 8700 --- 85700 85100 8310 8260 <br /> Cyanide(free) mg/L --- --- --- --- --- --- -- <br /> Fluoride mg/L --- --- --- --- 9.5 9.72 8.87 8.9 <br /> Fluoride(dissolved) mg/L 10 10 8.7 8.9 --- --- --- --- <br /> Hardness mg/L 330 310 340 340 332 336 327 320 <br /> Nitrate(as N) mg/L 0.64 0.5 U 1 U 1 U 0.023 U 0.023 U 0.023 U 0.023 U <br /> Nitrite(as N) mg/L 0.25 U 0.25 U 0.5 U 0.5 U 0.028 U 0.028 U 0.028 U 0.028 U <br /> Oil and Grease,Total mg/L --- --- --- --- --- --- -- <br /> Oil and grease(HEM),polar mg/L 3.4 J 2.9 J 1.6 J 4.1 U --- --- --- --- <br /> Oil and grease(HEM),total mg/L --- --- --- --- 1.38 J 1.74 J 3.58 J 1.160 U <br /> pH S.U. 8.44 J 8.58 J 8.74 HF 8.76 H F 8.25 J 7.36 8.43 J 8.73 J <br /> Phenolics(Total) mg/L 0.033 0.02065 U 0.058 0.031 U 0.014 U 0.046 U 0.039 UJ 0.188 J <br /> Phosphorus as P,total mg/L 0.056 J 0.087 J 0.077 J 0.059 J 0.0641 0.054 J 0.059 J 0.0581 <br /> Silica mg/L --- --- --- --- 19.7 19.6 19.6 19.6 <br /> Sulfate mg/L 4200 4200 3500 3700 4120 4160 4010 3930 <br /> Sulfate mg/L 4200 --- 3500 --- 4120 4160 4010 3930 <br /> Sulfide mg/L 46 45 46 50 0.34 J 1.32 J 1.77 1.84 <br /> Sulfite mg/L --- --- --- --- --- --- --- --- <br /> Thiocyanate mg/L --- --- --- --- --- --- --- <br /> Thiosulfate mg/L --- --- --- --- --- --- --- --- <br /> Total Dissolved Solids(TDS) mg/L 7100 7200 7100 7000 6740 6810 6250 6330 <br /> Nitrogen,Total Kjeldahl mg/L 4.9 J 4.4 J 3.9 J 4.5 J 2.75 2.68 2.98 2.99 <br /> Total Organic Carbon(TOC) mg/L 19 --- 19 19 686 166 25.4 16.9 <br /> Total Suspended Solids(TSS) mg/L --- --- --- --- --- --- --- --- <br /> Dissolved Organic Carbon(DOC) mg/L 20 20 19 18 118 74.8 21.1 21.7 <br /> Page 10 of 12 <br />