Certified valuesAlkalinity,Total(as CaCO3).92.7mg/L Nitrate + Nitrite (as N) . 0.45 mg/L Calcium . 35 mg/L pH. 8.08Chloride. 20.7 mg/L Potassium . 1.5 mg/L Dissolved Inorganic Carbon (DIC) . 22.2 mg/L Silica (as Si) . 0.53 mg/L Dissolved Organic Carbon (D