Leviticus 14:38-40

American Standard Version

³⁸ then the priest shall go out of the house to the door of the house, and shut up the house seven days. ³⁹ And the priest shall come again the seventh day, and shall look; and, behold, if the plague be spread in the walls of the house; ⁴⁰ then the priest shall command that they take out the stones in which the plague is, and cast them into an unclean place without the city: