Elemental mercury is a shiny, silver-white metal that is a liquid at room temperature and is traditionally used in thermometers and some electrical switches. If not enclosed, at room temperature some of the metallic mercury will evaporate and form mercury vapours. Mercury vapours are colourless and odourless.
How much time need to pass for an AR account to be considered delinquent? The amount of time required to pass for an AR account to be  considered delinquent is 30 days.
Aging of Accounts -. The aging of A/R dollars after the claim has been dropped for billing. Aging buckets are usually in 30 day increments and may broaden as the accounts get older. Best practice is no more than 15-20% of final billed A/R greater than 90 days.