Leviticus 14:40 in the King James Version
Then the priest shall command that they take away the stones in which the plague is, and they shall cast them into an unclean place without the city:
Context
39 The priest shall come again on the seventh day, and look. If the plague has spread in the walls of the house,
40 then the priest shall command that they take out the stones in which is the plague, and cast them into an unclean place outside of the city.
41 He shall cause the inside of the house to be scraped all over. They shall pour out the mortar that they scraped off outside of the city into an unclean place.