You will also purify every garment, every article of leather, everything made of goats’ hair, and every article of wood.”
So Jacob told his household and all who were with him: “Get rid of the foreign gods among you; then purify yourselves and change your clothes.
the Lord said to Moses: Go to the people and have them sanctify themselves today and tomorrow. Have them wash their garments
Moreover, anything that the unclean person touches becomes unclean itself, and the one who touches such a person becomes unclean until evening.
“Moreover, remain outside the camp for seven days; every one of you who has killed anyone or touched someone killed will purify yourselves on the third and on the seventh day—both you and your captives.
Eleazar the priest told the soldiers who had taken part in the battle: “This is the prescribed ritual which the Lord has commanded Moses: