2019-01-31_HYDROLOGY - M1980244 - Laserfiche WebLink

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Newmont USA Limited DIVISION OF RECLAMATION MINING AND SAFETY PERMIT: M-1980-244 SAMPLE LOCATION : SGMW 613-60 Collar Elv(ft) : N/A Reporting Period 2018 4th Qtr Results of Profile/Analyses Description Standards 4th Qtr Name of Certified Lab (mg/L)' SVL Analytical, Inc. Lab Reference# X81-0062-01 Sample Date 12/03/2018 Lab Test Date 12/19/2018 Sampled By pH Field(pH unit) 6-8.50 5.97 Water Level Distance From Measuring P --- 35.85 Water Temperature(°C) --- 8.6 Alkalinity-Bicarbonate as CaCO3(mg/L --- 141 Alkalinity-Carbonate as CaCO3(mg/L) --- <1.0 Alkalinity-Total as CaCO3(mg/L) --- 141 Ammonia (mg/L) --- 0.052 Arsenic-Dissolved(mg/L) 0.009 <0.00300 Cadmium -Dissolved(mg/L) 0.004 0.00031 Chloride-Total(mg/L) --- 153 Chromium -Dissolved(mg/L) 0.1000 <0.0060 Copper-Dissolved(mg/L) 0.2000 0.00235 Cyanide-Free(mg/L) 0.2000 <0.0050 Cyanide-Total(mg/L) --- <0.0100 Cyanide-WAD(mg/L) 0.2000 <0.0100 Fluoride-Total F(mg/L) 2.0000 6.72 Iron-Dissolved(mg/L) 14.0 11.5 Lead-Dissolved(mg/L) 0.030 <0.00300 Manganese-Dissolved (mg/L) 3.00 5.92 Nickel-Dissolved(mg/L) 0.200 0.0158 Nitrate as Nitrogen(mg/L) 3.00 <0.050 Selenium -Dissolved (mg/L) 0.0240 <0.0030 Silver-Dissolved(mg/L) 0.0500 <0.000100 Sulfate-Total(mg/L) 250.00 917 Total Dissolved Solids(mg/L) --- 1650 Total Suspended Solids(mg/L) --- 8.0 Zinc-Dissolved(mg/L) 0.70 0.115 Flow(gpm) --- .2 Barium-Dissolved(mg/L) 2.0000 0.0120 Beryllium -Dissolved(mg/L) 0.0040 0.0338 Boron-Dissolved(mg/L) 0.75 0.100 Cobalt-Dissolved(mg/L) 0.0500 0.0126 Lithium-Dissolved(mg/L) 2.5000 0.059 Mercury-Dissolved (mg/L) 0.0 <0.00020 Molybdenum -Dissolved(mg/L) 0.2100 0.00191 Nitrite+Nitrate as Nitrogen(mg/L) 11.0000 <0.100 Nitrite as Nitrogen(mg/L) 0.05 <0.050 No Sample Reason --- Sample Collected Thallium -Dissolved(mg/L) 0.0020 <0.00100 Uranium -Dissolved(mg/L) 0.0300 0.00326 Vanadium -Dissolved(mg/L) 0.1000 <0.0050 Aluminium - Dissolved (mg/L) 7.0 0.12 "Standard is for Reference Only Page 18 of 32