2016-03-24_REPORT - M1977424 - Laserfiche WebLink

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Table 8.Logan Wash Mine New Sa mple Location Data LW-LM LW-LM LW-22A LW-22A LW-Big Seep LW-Big Seep LW-Research SamplelD Trib SampleDate 5/13/2015 10/14/2015 5/13/2015 10/15/2015 5/12/2015 10/14/2015 5/12/2015 Parameters Units General Chemistry Alkalinity, Bicarbonate(as CaCO3) mg/L 490 410 B 520 480 B 240 260 B 280 Alkalinity,Carbonate(as CaCO3) mg/L 5 U 5 U 5 U 5 U 36 16 32 Alkalinity,Total(As CaCO3) mg/L 490 410 B 520 480 B 280 280 B 320 Ammonia mg/L 0.1 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U Bromide mg/L 2.5 U 5 U 0.5 U 1.3 U 0.5 U 0.5 U 0.5 U Chemical Oxygen Demand (COD) mg/L 30 39 9.4 J 11 15 2.7 J 10 U Chloride mg/L 80 66 15 14 7.2 7.8 50 Conductivity umhos/cm 8500 8700 2400 2500 1400 1700 1600 Cyanide(free) mg/L __- _-- --_ ___ --- ___ --- Fluoride mg/L --- --- --- --- --- _-_ Fluoride(dissolved) mg/L 10 8.7 0.66 0.56 0.14 0.086 J 0.2 Hardness mg/L 350 330 870 900 600 720 660 Nitrate(as N) mg/L 3 2.1 8.3 9.3 0.53 0.071 2.2 Nitrite(as N) mg/L 0.25 U 0.5 U 0.05 U 0.13 U 0.05 U 0.05 U 0.05 U Oil and Grease,Total mg/L --- --- --- --- -__ ___ --- Oil and grease(HEM),polar mg/L 4.7 U 4.3 U 4.3 U 4.5 U 4.3 U 4 U 4.5 U Oil and grease(HEM),total mg/L --- --- --- --- pH S.U. 8.04 J 8.1 HF 7.62 J 7.39 HF 8.57 J 8.52 HF 8.55 J Phenolics(Total) mg/L 0.027 0.024 0.01 U 0.014 0.01 U 0.01 U 0.01 U Phosphorus as P,total mg/L 0.055 J 0.071 J 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U Silica mg/L --- --- --- __- ___ ___ --- Sulfate mg/L 4000 3600 950 910 580 630 580 Sulfide mg/L 1.8 J 3 U 3 U 7.5 3 U 1.2 J 0.7 J Sulfite mg/L --- --- ___ ___ -_- ___ Thiocyanate mg/L --- --- --- --- --- ___ ___ Thiosulfate mg/L ___ ___ ___ ___ ___ ___ --- Total Dissolved Solids(TDS) mg/L 6900 7000 1900 2000 1100 1400 1300 Nitrogen,Total Kjeldahl mg/L 3.3 J 1.7 J 5 U 5 U 2.7 J 5 U 3.3 J Total Organic Carbon(TOC) mg/L 15 14 5.3 5.6 3.6 3 11 Total Suspended Solids(TSS) mg/L --- --- --- --- --- Dissolved Organic Carbon(DOC) mg/L 15 24 12 5.5 9.5 3.7 16 Page 1 of 3