Exodus 30:20
Whenever they go into the Tent of meeting they are to be washed with water, to keep them from death; and whenever they come near to do the work of the altar, or to make an offering by fire to the Lord,Whenever they go into the Tent of meeting they are to be washed with water, to keep them from death; and whenever they come near to do the work of the altar, or to make an offering by fire to the Lord,