2019-04-25_HYDROLOGY - M1980244

• Permit No: M1980244
• IBM Index Class Name: Hydrology
• Doc Date: 4/25/2019
• From: CC&V
• To: DRMS
• Annual Report Year: 2019
• 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 66-60 Collar Elv(ft) : N/A Reporting Period 2019 1st Qtr
Results of Profile/Analyses
Description Standards 1st Qtr
Name of Certified Lab (mg/L)' SVL Analytical, Inc.
Lab Reference# X9B0468-01
Sample Date 02/27/2019
Lab Test Date _ 03/14/2019
Sampled By _
pH Field(pH unit) 6 00-8.50 614
Water Temperature(°C) -- 7.7
Acidity,Total as CaCO3(mg/L) -- <10.0
Alkalinity-Bicarbonate as CaCO3(mg/L -- 153
Alkalinity-Carbonate as CaCO3(mg/L) --- <1.0
Alkalinity-Total as CaCO3(mg/L) --- 153
Aluminium-Dissolved(mg/L) 7.0000 <0.08
Ammonia(mg/L) --- 0.053
Arsenic-Dissolved(mg/L) 0.0090 <0.00300
Barium-Dissolved(mg/L) 2.0000 0.0107
Beryllium-Dissolved(mg/L) 0.0040 0.0328
Boron-Dissolved(mg/L) 0.7500 0.090
Cadmium-Dissolved(mg/L) 0.0040 0.00030
Calcium-Dissolved(mg/L) --- 353
Chloride-Total(mg/L) --- 147
Chromium-Dissolved(mg/L) 0.1000 <0.0060
Cobalt-Dissolved(mg/L) 0.0500 0.0144
Copper-Dissolved(mg/L) 0.0080 0.00119
Cyanide-Free(mg/L) 0.2000 <0.0050
Cyanide-Total(mg/L) -- <0.0100
Cyanide-WAD(mg/L) 0.2000 <0.0100
Flow(gpm) --- .09
Fluoride-Total F(mg/L) 20000 6.03
Iron-Dissolved(mg/L) 14.0000 11.8
Lead-Dissolved(mg/L) 0.0300 <0 00300
Lithium-Dissolved(mg/L) 2.5000 0.059
Manganese-Dissolved(mg/L) 3.0000 614
Mercury-Dissolved(mg/L) 0.00000000 <0 00020
Molybdenum-Dissolved(mg/L) 0.2100 0.00941
Nickel-Dissolved(mg/L) 0.2000 0.0124
Nitrate as Nitrogen(mg/L) 30000 <0.050
Nitrite as Nitrogen(mg/L) 0.0500 <0.050
Nitrite+Nitrate as Nitrogen(mg/L) 11.0000 <0.100
Selenium-Dissolved(mg/L) 0.0240 <0.0030
Silver-Dissolved(mg/L) 0.0500 <0 000100
Sodium-Dissolved(mg/L) -- 44.8
Sulfate-Total(mg/L) 250.00 897
Thallium-Dissolved(mg/L) 0.0020 <0 00100
Total Dissolved Solids(mg/L) -- 1760
Total Suspended Solids(mg/L) -- 7.0
Uranium-Dissolved(mg/L) 0.0300 0.00404
Vanadium-Dissolved(mg/L) 01000 <0.0050
Zinc-Dissolved(mg/L) 07000 0 110
"Standard is for Reference Only Page 15 of 26