2019-07-24_HYDROLOGY - M1980244

• Permit No: M1980244
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/24/2019
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: CC&V
• To: DRMS
• Annual Report Year: 2019
• Report Quarter_Month: 2
• Email Name: TC1
• Media Type: D
• Archive: No

Newmont USA Limited
DIVISION OF RECLAMATION MINING AND SAFETY PERMIT: M-1980-244
SAMPLE LOCATION : GV-02 Collar Elv(ft) : N/A Reporting Period 2019 2nd Qtr
Results of Profile/Analyses
Description Standards 2nd Qtr
Name of Certified Lab (mg/L)* SVL Analytical,Inc.
Lab Reference# _ X9D0247-02
Sample Date _ 04/08/2019
Lab Test Date - 04/25/2019
Sampled By
pH Field(pH unit) 6.5-9.0 5.94
Water Temperature(*C) --- 1.7
Alkalinity-Bicarbonate as CaCO3(mg/L --- 7.8
Alkalinity-Carbonate as CaCO3(mg/L) --- <1.0
Alkalinity-Total as CaCO3(mg/L) --- 7.8
Aluminium-Dissolved(mg/L) -- 0.152
Ammonia(mg/L) --- <0.030
Arsenic-Dissolved(mg/L) 0.100 <0.00300
Barium-Dissolved(mg/L) 1 0.0137
Beryllium-Dissolved(mg/L) 0.100 0.00036
Cadmium-Dissolved(mg/L) 0.00229
Chloride-Total(mg/L) --- 11.2
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) -- <10
Fluoride-Total F(mg/L) -- 1.30
Iron-Dissolved(mg/L) -- <0.100
Lead-Dissolved(mg/L) " <0.00300
Manganese-Dissolved(mg/L) * 1.73
Mercury-Dissolved(mg/L) 0.01 <0.00020
Molybdenum-Dissolved(mg/L) 0.300 <0.008
Nickel-Dissolved(mg/L) 0.200 0.0403
Nitrate as Nitrogen(mg/L) 100 <0.050
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) 250 430
Thallium-Dissolved(mg/L) 0.015 <0.00100
Total Dissolved Solids(mg/L) — 685
Total Suspended Solids(mg/L) -- 62.0
Uranium-Dissolved(mg/L) <0.00100
Zinc-Dissolved(mg/L) * 0.796
Standard is for Reference Only Page 23 of 26