It is vitally important that surface water is sampled and preserved correctly in order to ensure analysis results accurately. Gaheli Environmental laboratory is supported by specialized staff who can provide you with reliable results for parameters such as pH, Dissolved Oxygen, BOD, Free Ammonia, Sodium Adsorption Ratio, Boron, Conductivity, Temperature, Turbidity, Magnesium, Hardness, Total Alkalinity, Chloride, Sulphate, Nitrate, Fluoride, Sodium, Potassium, TKN, Total Phosphorous, COD, Phenolic Compounds, Lead, Iron, Cadmium, Zinc, Arsenic, Mercury, Chromium, Nickel, TDS.