Testing Operating Officer BOD (bod; biochemical oxygen demand) and the amount of oil and grease (oil & grease) of water samples. Research and Development Industrial Environmental western province .
Operating officer, analyze test value b o d (Biochemical Oxygen Demand BOD;), and oil and grease quantity value (& Oil Grease) of water. Center for research and development environment. Western Ratchaburi province
Operating Officer analysis test. b video (BOD; Biochemical Oxygen Demand) and the amount of oil and fat (Oil & Grease) of water samples of environmental research and development plant in Western Ratchaburi province