Numbers 8:21
And the Levites were purified, and they washed their clothes; and Aaron offered them as an offering before the LORD; and Aaron made an atonement for them to cleanse them.
Numbers 8:7
And thus shall you do unto them, to cleanse them: Sprinkle water of purifying upon them, and let them shave all their flesh, and let them wash their clothes, and so make themselves clean.
Numbers 8:11-13
And Aaron shall offer the Levites before the LORD for an offering of the children of Israel, that they may execute the service of the LORD.
Numbers 8:15
And after that shall the Levites go in to do the service of the tabernacle of meeting: and you shall cleanse them, and offer them for an offering.
Numbers 3:12
And I, behold, I have taken the Levites from among the children of Israel instead of all the firstborn that opens the womb among the children of Israel: therefore the Levites shall be mine;
Numbers 19:12
He shall purify himself with the water on the third day, and on the seventh day he shall be clean: but if he purify not himself the third day, then the seventh day he shall not be clean.
Numbers 19:19
And the clean person shall sprinkle upon the unclean on the third day, and on the seventh day: and on the seventh day he shall purify himself, and wash his clothes, and bathe himself in water, and shall be clean at evening.