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Table 2: <br />GCC Energy Surface Water Baseline Water Quality Parameter Suite (GCC SWI.) <br />Parameter <br />Units <br />Method <br />Alkalinity, as CaCO3 <br />m L <br />2320 B <br />Aluminum Al <br />m L <br />EPA200.8 <br />Arsenic As <br />m L <br />EPA200.8 <br />Bicarbonate, as CaCO3 <br />m /L <br />2320 B <br />Cadmium Cd <br />m L <br />EPA200.8 <br />Calcium (Ca+2) <br />m /L <br />EPA200.7 <br />Carbonate, as CaCO3 <br />m L <br />2320 B <br />Chloride Cl- <br />m L <br />EPA300.0 <br />Copper(Cu) <br />m /L <br />EPA200.8 <br />Depth to Waterfield, wells only) <br />feet <br />Field <br />Dissolved Oxygen(DO) (field <br />m L <br />Field <br />Flow Rate <br />gpm <br />Field <br />Fluoride F <br />m L <br />EPA300.0 <br />Hardness, as CaCO3 <br />m L <br />Varies <br />Hydroxide, as CaCO3 <br />m L <br />2320 B <br />Iron Fe <br />m L <br />EPA200.7 <br />Lead Pb <br />m L <br />EPA200.8 <br />Magnesium (Mg+2) <br />m L <br />EPA200.7 <br />Manganese Mn <br />m L <br />EPA200.8 <br />Mercury H Total by CVAA <br />m L <br />EPA245.1 <br />Molybdenum Mo <br />m L <br />EPA200.8 <br />Oil & Grease <br />m L <br />EPA1664 A <br />Oxygen Reduction Potential ORP field <br />mV <br />Field <br />pH(field) <br />SU <br />Field <br />H lab <br />SU <br />EPA150.1 <br />Potassium K <br />m L <br />EPA200.7 <br />Selenium Se <br />m L <br />EPA200.8 <br />Silica SiO2 <br />m L <br />Varies <br />Sodium (Na+) <br />m L <br />EPA200.7 <br />Sodium Adsorption Ratio (SAR) <br />m L <br />Calculation <br />Specific Conductivity field <br />ms/cm <br />Field <br />Sulfate SO4 <br />m L <br />EPA300.0 <br />Temperature field <br />°C <br />Field <br />Total Dissolved Solids (TDS) <br />m L <br />EPA160.1 <br />Total Nitrogen as Nitrate -Nitrite <br />m L <br />EPA300.0 <br />Total Organic Carbon TOC <br />m L <br />5310 B <br />Total Suspended Solids TSS <br />m L <br />EPA160.2 <br />Uranium U <br />m L <br />EPA200.8 <br />Zinc Zn <br />m L <br />EPA200.8 <br />One time only to establish absence, SW and Alluvial GW only in 2016Q4 <br />Ammonia NH3 m L EPA350.1 <br />Phosbhate (PO4 as P) ma/L EPA365.3 <br />Notes: <br />mg/L = milligrams per liter <br />SU = standard <br />unitsmS/cm millisiemens per centimeter <br />mV = millivolt <br />GCC Energy, LLC King I Mine <br />Section 2.05.6 <br />Page 9 July 11, 2017 (RN -07) <br />