Su'esu'e uiga lelei o le vai 5B-3B(V10) e su'e ai le mana'omia o le okesene vaila'au (COD), ammonia nitrogen (NH3-N), atoa phosphorus (TP), atoa nitrogen (TN), turbidity, TSS, lanu, Kopa, u'amea, chromium , nickel, zinc, fluoride, chlorine totoe, aniline, nitrate nitrogen, nitrite nitrogen, ma isi.O se spectrophotometer e tele galuega.