Numbers 8:21
And the sin was removed from the Levites, and they washed their clothes; and Aaron offered them for a wave offering before the LORD; and Aaron reconciled them to cleanse them.
Numbers 8:7
And thus shalt thou do unto them, to cleanse them: Sprinkle water of atonement for sin upon them, and let them shave all their flesh, and let them wash their clothes, and be clean.
Numbers 8:11-13
and Aaron shall offer the Levites before the LORD for a wave offering of the sons of Israel, and they shall serve in the ministry of the LORD.
Numbers 8:15
Thus shall the Levites go in to minister in the tabernacle of the testimony; and thou shalt cleanse them and wave them for an offering.
Numbers 3:12
Behold, I have taken the Levites from among the sons of Israel instead of all the firstborn that open the womb among the sons of Israel; therefore the Levites shall be mine;
Numbers 19:12
They shall remove the sin from themselves with that water on the third day, and on the seventh day they shall be clean; but if they do not remove the sin from themselves the third day, then the seventh day they 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 when he has removed the sin from them the seventh day, he shall then wash his clothes and bathe himself in water and shall be clean in the evening.