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 : CRMW 5C-60 Collar Elv(ft) : N/A Reporting Period 2020 1st Qtr
Results of Profile/Analyses
Description Standards 1st Qtr
Name of Certified Lab (mg/L)* SVL Analytical, Inc.
Lab Reference# - XOA0431-01
Sample Date - 01/21/2020
Lab Test Date - 02/11/2020
Sampled By -
pH Field(pH unit) 6.00-8 50 6.9
Water Temperature(*C) --- 78
Acidity,Total as CaCO3(mg/L) --- <10.0
Alkalinity-Bicarbonate as CaCO3(mg/L --- 52.1
Alkalinity-Carbonate as CaCO3(mg/L) -- <1 0
Alkalinity-Total as CaCO3(mg/L) --- 52.1
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 00070
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) --- 301
Chloride-Total(mg/L) --- 814
Chromium-Dissolved(mg/L) 01000 <0 0060
Cobalt-Dissolved (mg/L) 0.0500 <0 00100
Copper-Dissolved(mg/L) 0.2000 <0 00100
Cyanide-Free(mg/L) 0.2000 00251
Cyanide-Total (mg/L) --- <0.0100
Cyanide-WAD(mg/L) 02000 <0 0100
Fluoride-Total F(mg/L) 20000 317
Iron- Dissolved (mg/L) 140000 <0 100
Lead-Dissolved (mg/L) 0.0500 <0 00300
Lithium-Dissolved (mg/L) 2.5000 <0.040
Manganese-Dissolved (mg/L) 3.0000 <0.0080
Mercury-Dissolved (mg/L) 0.00200000 <0.00020
Molybdenum -Dissolved(mg/L) 0.2100 <0.00100
Nickel-Dissolved (mg/L) 02000 <0 0100
Nitrate as Nitrogen (mg/L) 100000 0 122
Nitrite as Nitrogen(mg/L) 1.0000 <0 050
Nitrite+ Nitrate as Nitrogen(mg/L) 11.0000 0 127
Selenium -Dissolved (mg/L) 0.0240 <0.0030
Silver-Dissolved (mg/L) 0.0500 <0.000100
Sodium-Dissolved (mg/L) --- 101
Sulfate-Total(mg/L) 250.00 528
Thallium-Dissolved (mg/L) 0.0020 <0.00100
Total Dissolved Solids(mg/L) --- 139
Total Suspended Solids(mg/L) --- <5 0
Uranium-Dissolved (mg/L) 0.0300 <0 00100
Vanadium-Dissolved(mg/L) 0.1000 <0 0050
Zinc-Dissolved(mg/L) 2.0000 <0 010
*Standard is for Reference Only Page 6 of 30