An 8″ wide x 12` high beam has been formed and is to be poured with concrete. The bottom reinforcing steel is specified to be 2″ above the bottom. What is the minimum specified tolerance concrete cover for the steel placement?

An 8″ wide x 12` high beam has been formed and is to be poured with concrete. The bottom reinforcing steel is specified to be 2″ above the bottom. What is the minimum specified tolerance concrete cover for the steel placement?