2018-10-24_HYDROLOGY - M1980244 - Laserfiche WebLink

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Newmont USA Limited DIVISION OF RECLAMATION MINING AND SAFETY PERMIT: M-1980-244 SAMPLE LOCATION : WCMW 6-234 Collar Elv(ft) : N/A Reporting Period 2018 3rd Qtr Results of Profile/Ana/uses Description Standards 3rd Qtr Name of Certified Lab (mg/L)* SVL Analytical, Inc Lab Reference# _ X81-10045-10 Sample Date 08/01/2018 Lab Test Date 08/27/2018 Sampled By _ pH Field(pH unit) 6.00-9.00 6.98 6.50-8.50 6.98 Water Level Distance From Measuring P -- 7.71 Water Temperature(*C) --- 84 Alkalinity-Bicarbonate as CaCO3(mg/L -- 124 Alkalinity-Carbonate as CaCO3(mg/L) -- <1.0 Alkalinity-Total as CaCO3(mg/L) -- 124 Ammonia(mg/L) --- <0.030 Arsenic-Dissolved(mg/L) -- 0.00413 Cadmium-Dissolved(mg/L) 0.0050 <0.00020 Chloride-Total(mg/L) --- 2.13 Copper-Dissolved(mg/L) 0.2000 <0.0100 Cyanide-Free(mg/L) 0.2000 <0.0050 Cyanide-WAD(mg/L) 02000 <0.0100 Fluoride-Total F(mg/L) 2.0000 2.02 Iron-Dissolved(mg/L) -- 0.877 Lead-Dissolved(mg/L) 00500 <0.00300 Manganese-Dissolved(mg/L) 0.0500 0.158 0.5000 0.158 Nickel-Dissolved(mg/L) 0.1000 <0 0100 Nitrate as Nitrogen(mg/L) -- <0.050 Selenium-Dissolved(mg/L) 0.0200 <0.0030 Silver-Dissolved(mg/L) 0.0500 <0 0050 Sulfate-Total(mg/L) 250.00 55.1 Total Dissolved Solids(mg/L) -- 268 Total Suspended Solids(mg/L) -- <5 0 Zinc-Dissolved(mg/L) 2.0000 <0 010 Beryllium-Dissolved(mg/L) 00040 <0.0020 Cobalt-Dissolved(mg/L) 0.0500 <0.0060 Mercury-Dissolved(mg/L) 0.01000000 <0 00020 Molybdenum-Dissolved(mg/L) 0.2100 0.00926 Nitrite+Nitrate as Nitrogen(mg/L) 10.0000 <0.050 No Sample Reason --- Sample Collected Thallium-Dissolved(mg/L) 0.0020 <0.00100 *Standard is for Reference Only Page 14 of 21