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.
Creditors that report an account as charged off or placed for collection must tell the reporting agency the month and year your delinquency beganâwhich means the month during which the first payment you missed was due. The creditor must do this within 90 days of its reporting of the charge-off. The seven-year period begins 180 days after the delinquency (the first missed payment) that led to the collection activity or charge-off.