Oluyanju didara omi pupọ 5B-3B (V10) lati ṣe idanwo ibeere atẹgun kemikali (COD), nitrogen amonia (NH3-N), irawọ owurọ lapapọ (TP), nitrogen lapapọ (TN), turbidity, TSS, awọ, Ejò, irin, chromium , nickel, zinc, fluoride, chlorine aloku, aniline, nitrogen iyọ, nitrogen nitrite, ati bẹbẹ lọ. O ti wa ni a olona-iṣẹ spectrophotometer.