2020-01-24_HYDROLOGY - M1980244

• Permit No: M1980244
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/24/2020
• Doc Name: Water Level Monitoring
• From: CC&V
• To: DRMS
• Annual Report Year: 2019
• Report Quarter_Month: 4
• Email Name: TC1
• Media Type: D
• Archive: No

Newmont USA Limited
DIVISION OF RECLAMATION MINING AND SAFETY PERMIT: M-1980-244
SAMPLE LOCATION : WCSW-01 Collar Elv(ft) : N/A Reporting Period 2019 4th Qtr
Results of Profile/Analvses
Description Standards 4th Qtr
Name of Certified Lab (mg/L)* SVL Analytical, Inc.
Lab Reference# - X9J0110-02RE1
Sample Date - 10/02/2019
Lab Test Date - 10/21/2019
Sampled By -
pH Field(pH unit) 6.5-9.0 8.37
Water Temperature(°C) --- 7.6
Acidity,Total as CaCO3(mg/L) --- <10.0
Alkalinity-Bicarbonate as CaCO3(mg/L --- 161
Alkalinity-Carbonate as CaCO3(mg/L) --- <1 0
Alkalinity-Total as CaCO3(mg/L) --- 161
Aluminium-Dissolved(mg/L) --- <0.0100
Ammonia(mg/L) --- <0.030
Arsenic-Dissolved(mg/L) 0.100 <0 00300
Barium -Dissolved(mg/L) 1.00 0.0711
Beryllium -Dissolved(mg/L) 0.100 <0.00020
Cadmium-Dissolved(mg/L) --- <0.00020
Chloride-Total(mg/L) --- 24.6
Chromium -Dissolved(mg/L) --- <0.0060
Copper-Dissolved(mg/L) --- <0.0100
Cyanide-Free(mg/L) 0.005 <0.0050
Cyanide-Total(mg/L) --- <0.0100
Cyanide-WAD(mg/L) --- <0.0100
Flow(gpm) --- <30
Fluoride-Total F(mg/L) --- 1.26
Iron-Dissolved(mg/L) --- 0.137
Lead-Dissolved(mg/L) <0.00300
Manganese-Dissolved(mg/L) 0.677
Mercury-Dissolved (mg/L) * <0.00020
Molybdenum -Dissolved(mg/L) 0.300 <0.008
Nickel-Dissolved(mg/L) 0.200 <0 0100
Nitrate as Nitrogen(mg/L) 100 7.19
Nitrite as Nitrogen(mg/L) --- <0.050
No Sample Reason --- Sample Collected
Selenium -Dissolved(mg/L) 0.0046 <0.0030
Silver-Dissolved(mg/L) * <0.0050
Sulfate-Total(mg/L) 250 150
Thallium-Dissolved(mg/L) 0.015 <0.00100
Total Dissolved Solids(mg/L) --- 478
Total Suspended Solids(mg/L) --- <5.0
Uranium-Dissolved(mg/L) * 0.00553
Zinc-Dissolved(mg/L) * <0 010
*Standard is for Reference Only Page 29 of 30