Numbers 5:2
TSK
“Command the Israelites to expel from the camp every leper, everyone who has a discharge, and whoever becomes defiled by a corpse.
TSK
TSK · Numbers 31:19
Treasury of Scripture Knowledge references in NET.
Numbers 19:12
TSK
He must purify himself with water on the third day and on the seventh day, and so will be clean. But if he does not purify himself on the third day and the seventh day, then he will not be clean.