Numbers 5:2

2Command the people of Israel that they aput out of the camp everyone who is leprous
Leprosy was a term for several skin diseases; see Leviticus 13
or has ca discharge and everyone who is dunclean through contact with the dead.

Numbers 19:11

11 e“Whoever touches the dead body of any person shall be unclean seven days.

Numbers 31:12

12Then they brought the captives and the plunder and the spoil to Moses, and to Eleazar the priest, and to the congregation of the people of Israel, at the camp on fthe plains of Moab by the Jordan at Jericho.

Numbers 31:22-24

22only the gold, the silver, the bronze, the iron, the tin, and the lead, 23everything that can stand the fire, you shall pass through the fire, and it shall be clean. Nevertheless, it shall also be purified gwith the water for impurity. And whatever cannot stand the fire, you shall pass through the water. 24You must hwash your clothes on the seventh day, and you shall be clean. And afterward you may come into the camp.”

Copyright information for ESV