📌 17 September 2019 (Selasa) di Intake Sungai Ular, Lubuk Buntar, Mahang dan Bikan, Kedah Darul Aman.
✅ Pengujian kualiti air dengan menggunakan alat multimeter keluaran HORIBA melalui parameter pH, Dissolve Oxygen, Conductivity, Turbidity dan Water Depth.
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