This standard prescribes methods of sampling and testing for Chemical Oxygen Demand (COD) in water and wastewater. This standard shall be read in conjunction with the latest edition of GYS 207, “Interim guidelines for industrial effluent discharge into the environment.”

• Year of Declaration: 2003
• Reference:
• Number of Pages: 14
• Code: GYS 229-4
• Version:
• ICS Number: