Numbers 31:12

31:12 They brought the captives and the spoils and the plunder to Moses, to Eleazar the priest, and to the Israelite community, to the camp on the plains of Moab, along the Jordan River across from Jericho.

Numbers 31:22-24

31:22 ‘Only the gold, the silver, the bronze, the iron, the tin, and the lead, 31:23 everything that may stand the fire, you are to pass through the fire, and it will be ceremonially clean, but it must still be purified with the water of purification. Anything that cannot withstand the fire you must pass through the water. 31:24 You must wash your clothes on the seventh day, and you will be ceremonially clean, and afterward you may enter the camp.’”

Numbers 5:2

5:2 “Command the Israelites to expel from the camp every leper, everyone who has a discharge, and whoever becomes defiled by a corpse.

Numbers 19:11

Purification from Uncleanness

19:11 “‘Whoever touches the corpse of any person will be ceremonially unclean seven days.