2018-07-26_HYDROLOGY - M1980244

• Permit No: M1980244
• IBM Index Class Name: Hydrology
• Doc Date: 7/26/2018
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: CC&V
• To: DRMS
• Annual Report Year: 2018
• 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 : WCSW-01 Collar Elv(ft) : N/A Reporting Period 2018 2nd Qtr
Results of Profile/Analyses
Description Standards 2nd Qtr
Name of Certified Lab (mg/L)* SVL Analytical,Inc.
Lab Reference# _ X8D0211-06
Sample Date _ 04/11/2018
Lab Test Date _ I 04/30/2018
Sampled By
pH Field(pH unit) — 7.39
Water Temperature(*C) — 0.5
Alkalinity-Bicarbonate as CaCO3(mg/L -- 97.3
Alkalinity-Carbonate as CaCO3(mg/L) -- <1.0
Alkalinity-Total as CaCO3(mg/L) -- 97.3
Ammonia(mg/L) -- <0.030
Cadmium-Dissolved(mg/L) --- <0.00020
Chloride-Total(mg/L) --- 16.2
Copper-Dissolved(mg/L) -- <0.0100
Cyanide-Free(mg/L) --- <0.0050
Cyanide-WAD(mg/L) --- <0.0100
Fluoride-Total F(mg/L) --- 0.932
Iron-Dissolved(mg/L) — <0.100
Lead-Dissolved(mg/L) — <0.00300
Manganese-Dissolved(mg/L) — 0.0431
Mercury-Total(mg/L) -- <0.00020
Nickel-Dissolved(mg/L) -- <0.0100
Selenium-Dissolved(mg/L) — <0.0030
Silver-Dissolved(mg/L) -- <0.0050
Sulfate-Total(mg/L) -- 154
Total Dissolved Solids(mg/L) -- 349
Total Suspended Solids(mg/L) — <5.0
Zinc-Dissolved(mg/L) -- <0.010
Flow(gpm) -- 120
Arsenic-Total Recoverable in Water(m -- 0.00300
Chromium-Total Recoverable in Water — <0.0060
Iron-Total Recoverable in Water(mg/L) --- <0.100
*Standard is for Reference Only Page 12 of 13