FA'ATAU MASANI: Lega Chlorine Dioxide pH Aofa'i Nitrogen Manganese Alumini Cyanide Sulfide Chroma Aofa'i Chlorine COD Amonia Nitrogen Chlorine malosi Fluoride Nitrite Nitrogen Hexavalent Chromium Sa'oloto Chlorine Klorite Aofa'i Phosphorus Uamea Osone Klorida Oxyzen malosi