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 : SGMW 613-60 Collar Elv(ft): N/A Reporting Period 2020 1st Qtr
Results of Profile/Analyses
Description Standards 1stQtr
Name of Certified Lab (mg/L)' SVLAnalytical,Inc.
Lab Reference# - XOA0331-02
Sample Date - 01/20/2020
Lab Test Date _ 01/28/2020
Sampled By
pH Field(pH unit) 6.00-8.50 6.43
Water Temperature(°C) --- 9.1
Acidity,Total as CaCO3(mg/L) --- <10.0
Alkalinity-Bicarbonate as CaCO3(mg/L --- 158
Alkalinity-Carbonate as CaCO3(mg/L) --- <1.0
Alkalinity-Total as CaCO3(mg/L) --- 158
Aluminium-Dissolved(mg/L) 7.0000 0.11
Ammonia(mg/L) --- 0.056
Arsenic-Dissolved(mg/L) 0.0100 0.00323
Barium-Dissolved(mg/L) 2.0000 0.0097
Beryllium-Dissolved(mg/L) 0.0040 0.0516
Boron-Dissolved(mg/L) 0.7500 0.106
Cadmium-Dissolved(mg/L) 0.0050 0.00036
Calcium-Dissolved(mg/L) --- 400
Chloride-Total(mg/L) --- 145
Chromium-Dissolved(mg/L) 0.1000 <0.0060
Cobalt-Dissolved(mg/L) 0.0500 0.0131
Copper-Dissolved(mg/L) 0.2000 0.00100
Cyanide-Free(mg/L) 0.2000 ND
Cyanide-Total(mg/L) --- <0.0100
Cyanide-WAD(mg/L) 0.2000 <0.0100
Flow(gpm) --- .16
Fluoride-Total F(mg/L) 2.0000 8.76
Iron-Dissolved(mg/L) 14.0000 12.8
Lead-Dissolved(mg/L) 0.0500 <0.00300
Lithium-Dissolved(mg/L) 2.5000 0.097
Manganese-Dissolved(mg/L) 3.0000 6.82
Mercury-Dissolved(mg/L) 0.00200000 <0.00020
Molybdenum-Dissolved(mg/L) 0.2100 0.00149
Nickel-Dissolved(mg/L) 0.2000 0.0268
Nitrate as Nitrogen(mg/L) 10.0000 0.055
Nitrite as Nitrogen(mg/L) 1 0000 <0.050
Nitrite+Nitrate as Nitrogen(mg/L) 11.0000 <0.100
No Sample Reason --- Sample Collected
Selenium-Dissolved(mg/L) 0.0240 <0.0030
Silver-Dissolved(mg/L) 0.0500 <0.000100
Sodium-Dissolved(mg/L) --- 52.6
Sulfate-Total(mg/L) 250.00 925
Thallium-Dissolved(mg/L) 0.0020 <0.00100
Total Dissolved Solids(mg/1) --- 1730
Total Suspended Solids(mg/L) --- 8.0
Uranium-Dissolved(mg/L) 0.0300 0.00283
Vanadium-Dissolved(mg/L) 0.1000 <0.0050
Zinc-Dissolved(mg/L) 2.0000 0.094
`Standard is for Reference Only Page 7 of 30