One Minute Read: Data traceability in cleanroom monitoring Documentation of data plays a crucial role in cleanroom monitoring. Other than serving as evidence in audit trail, the recorded data becomes critical when an abnormality is detected in a cleanroom as these recorded data would be needed by cleanroom operators to troubleshoot and diagnose the problem. To find out what is happening when an abnormality is spotted, recorded data is traced to identify regular patterns and

What is Chemical Oxygen Demand (COD)? COD is a measure of the oxygen equivalent of the organic matter in a water sample that is susceptible to oxidation by a strong chemical oxidant. COD is widely used as a measure of the susceptibility to oxidation of the organic and inorganic materials present in water bodies and in the municipal and industrial wastes. The COD test of natural water yields the total quantity of oxygen that is