Common use of GENERAL MINERAL GROUP Clause in Contracts

GENERAL MINERAL GROUP. The General Mineral samples will be submitted for analyses in two containers: one will be acidified with analytical grade nitric acid for the ICP analysis and the other will be un-preserved for the remaining analyses. Contractor will conduct analyses using the following methods: Analysis Std Method EPA Method Conductivity 2510 B. 120.1 Turbidity 2130 B. 180.1 pH 4500-H B. 150.1 Calcium 3120B 200.7 Magnesium 3120B 200.7 Sodium 3120B 200.7 Potassium 3120B 200.7 Chloride 4110 300.0 or 300.1 Sulfate 4110 300.0 Nitrate Nitrogen 4110 300.0 Nitrite Nitrogen 4110 300.0 Carbonate, as CO3 2320 B. 310.1 Bicarbonate, as HCO3 2320 B. 310.1 Fluoride 4500-F C 300.1 Carbon Dioxide, calc. 4500-CO2 D. C02 by Calculation Hardness 2340 C. 130.2 Silica as SiO2 3120 200.7 Boron 3120 200.7 Total Filterable Residue By Addition

GENERAL MINERAL GROUP. The General Mineral samples will be submitted for analyses in two containers: one will be acidified with analytical grade nitric acid for the ICP analysis and the other will be un-preserved for the remaining analyses. Contractor will conduct analyses using the following methods: Analysis Std Method EPA Method Conductivity 2510 B. 120.1 Turbidity 2130 B. 180.1 pH 4500-H B. 150.1 Calcium 3120B 200.7 Magnesium 3120B 200.7 Sodium 3120B 200.7 Potassium 3120B 200.7 Chloride 4110 300.0 or 300.1 Sulfate 4110 300.0 Nitrate Nitrogen 4110 300.0 Nitrite Nitrogen 4110 300.0 Carbonate, as CO3 2320 B. 310.1 Bicarbonate, as HCO3 2320 B. 310.1 Fluoride 4500-F C 300.1 Carbon Dioxide, calc. 4500-CO2 D. C02 by Calculation Hardness 2340 C. 130.2 588280 Page Silica as SiO2 3120 200.7 Boron 3120 200.7 Total Filterable Residue By Addition