Restrictions on Chrome VIRestriction is one of the available instruments in EU-REACh to protect human health and the environment from unacceptable risks posed by chemicals. An explanation of Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD)Dirick von Behr, Strategic Leather Manager, explains Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) and which is best for the environment. Page 2 of 2Previous12Knowledge centerGo to all knowledge itemsKnowledgeStay informedReceive the latest company news and industry updatesSubscribe