2020-05-07_HYDROLOGY - M1980244

• Permit No: M1980244
• IBM Index Class Name: Hydrology
• Doc Date: 5/7/2020
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: CC&V
• To: DRMS
• Annual Report Year: 2020
• Report Quarter_Month: 1
• Email Name: TC1
• Media Type: D
• Archive: No

Newmont USA Limited
DIVISION OF RECLAMATION MINING AND SAFETY PERMIT: M-1980-244
SAMPLE LOCATION : GVMW 8A-250 Collar Elv (ft) : N/A Reporting Period 2020 1st Qtr
Results of Profile/Analyses
Description Standards 1 st Qtr
Name of Certified Lab (mg/L)* SVLAnalytical,Inc.
Lab Reference# - XOA0331-01
Sample Date - 01/20/2020
Lab Test Date _ 01/28/2020
Sampled By _
pH Field(pH unit) 6.50-8.50 6.94
Water Temperature(°C) --- 77
Acidity,Total as CaCO3(mg/L) --- <10.0
Alkalinity-Bicarbonate as CaCO3(mg/L --- 48.0
Alkalinity-Carbonate as CaCO3(mg/L) --- <1.0
Alkalinity-Total as CaCO3(mg/L) --- 48.0
Aluminium-Dissolved(mg/L) 7.0000 <0.08
Ammonia(mg/L) --- <0.030
Arsenic-Dissolved(mg/L) 0.0100 <0.00300
Barium-Dissolved(mg/L) 2.0000 <0.0020
Beryllium-Dissolved(mg/L) 0.0040 <0.00020
Boron-Dissolved(mg/L) 0.7500 <0.040
Cadmium-Dissolved(mg/L) 0.0050 <0.00020
Calcium-Dissolved(mg/L) --- 48.3
Chloride-Total(mg/L) --- 53.7
Chromium-Dissolved(mg/L) 0.1000 <0.0060
Cobalt-Dissolved(mg/L) 0.0500 <0.00100
Copper-Dissolved(mg/L) 0.2000 0.00485
Cyanide-Free(mg/L) 0.2000 ND
Cyanide-Total(mg/L) --- <0.0100
Cyanide-WAD(mg/L) 0.2000 <0.0100
Flow(gpm) --- .3
Fluoride-Total F(mg/L) 2.0000 2.15
Iron-Dissolved(mg/L) 14.0000 <0.100
Lead-Dissolved(mg/L) 0.0500 <0.00300
Lithium-Dissolved(mg/L) 2.5000 <0.040
Manganese-Dissolved(mg/L) 1.0000 <0.0080
Mercury-Dissolved(mg/L) 0.00200000 <0 00020
Molybdenum-Dissolved(mg/L) 0.2100 0.00109
Nickel-Dissolved(mg/L) 0.2000 <0.0100
Nitrate as Nitrogen(mg/L) 10.0000 1.18
Nitrite as Nitrogen(mg/L) 1.0000 <0.050
Nitrite+Nitrate as Nitrogen(mg/L) 11.0000 1.18
Selenium-Dissolved(mg/L) 0.0240 <0.0030
Silver-Dissolved(mg/L) 0.0500 <0.000100
Sodium-Dissolved(mg/L) --- 24.0
Sulfate-Total(mg/L) 250.00 62.0
Thallium-Dissolved(mg/L) 0.0020 <0.00100
Total Dissolved Solids(mg/L) --- 267
Total Suspended Solids(mg/L) --- <5.0
Uranium-Dissolved(mg/L) 0.0300 0.00432
Vanadium-Dissolved(mg/L) 0.1000 <0.0050
Zinc-Dissolved(mg/L) 2.0000 <0.010
*Standard is for Reference Only Page 9 of 30