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home Test 1 - Temperature Test 2 - pH Test 3 - Turbidity Test 4 - Total Solids Test 5 - Dissolved Solids Test 6 - Biochemical Oxygen Demand Test 7 - Ortho- and Total Phosphates Test 8 - Nitrate Test 9 - Fecal Coliform Test 10 - Ammonium Nitrogen Test 11 - Alkalinity Test 12 - Total Dissolved Solids Test 13 - Calcium and Water Hardness Test 14 - Total Water Hardness Test 15 - Chloride and Salinity Test 16 - Stream Flow