Numbers 8:21
So the Levites purified themselves and washed their clothes. Aaron dedicated them as a special gift to Jehovah. He also performed the ritual of purification for them.
Numbers 8:7
This is what you must do to make them clean: Sprinkle them with water to take away their sins. Make them shave their whole bodies and wash their clothes. Then they will be clean.
Numbers 8:11-13
Aaron will present the Levites to Jehovah as an offering from the Israelites. Then they will be ready to do Jehovah's work.
Numbers 8:15
Once you have made them clean and presented them as an offering, the Levites may come and do their work at the tent of meeting.
Numbers 3:12
Out of all the Israelites, I have taken the Levites to be substitutes for every firstborn male offspring among them. The Levites are mine,
Numbers 19:12
They must purify themselves with the water for purification on the third day and on the seventh day. Then they will be clean. But if they do not purify themselves on both the third and the seventh day, they will not be clean.
Numbers 19:19
A person who is clean will sprinkle these types of unclean people on the third day and the seventh day. On the seventh day the clean person will finish taking away their sins. Then they must wash their clothes and bodies. In the evening they will be clean.