Numbers 8:21
And the Levites purified themselves from sin, and they washed their garments; and Aaron offered them as a wave-offering before Jehovah; and Aaron made atonement for them to cleanse them.
Numbers 8:7
And thus shalt thou do unto them, to cleanse them: sprinkle upon them water of purification from sin; and they shall pass the razor over all their flesh, and shall wash their garments, and make themselves clean.
Numbers 8:11-13
And Aaron shall offer the Levites as a wave-offering before Jehovah from the children of Israel, and they shall perform the service of Jehovah.
Numbers 8:15
And afterwards shall the Levites come in to do the service of the tent of meeting. And thou shalt cleanse them, and offer them as a wave-offering.
Numbers 3:12
And I, behold, I have taken the Levites from among the children of Israel instead of every firstborn that breaketh open the womb among the children of Israel, and the Levites shall be mine;
Numbers 19:12
He shall purify himself with it 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 shall sprinkle it on the unclean on the third day, and on the seventh day; and he shall purify him on the seventh day; and he shall wash his garments, and bathe himself in water, and shall be clean at even.