Numbers 8:21
And the Levites accepted the cleansing from sin and washed their clothes, and Aaron offered them as a wave-offering before Yahweh, - and Aaron put a propitiatory-covering over them to make them pure.
Numbers 8:7
And, thus, shalt thou do unto them, to purify them, sprinkle upon them sin-cleansing water, - then shall they, cause a razor to pass over all their flesh, and shall wash their clothes and so make themselves pure.
Numbers 8:11-13
and Aaron shall offer the Levites as a wave-offering before Yahweh, from among the sons of Israel, - so shall they be for performing the laborious work of Yahweh.
Numbers 8:15
And after that, shall the Levites enter to do the labour of the tent of meeting, - so shalt thou purify them, and offer them as a wave-offering,
Numbers 3:12
I, therefore, lo! I have taken the Levites out of the midst of the sons of Israel, instead of every firstborn that a mother beareth, from among the sons of Israel, - so shall the Levites be mine;
Numbers 19:12
He, shall cleanse himself from sin therewith on the third day, then on the seventh day, shall he be clean, - but if he cleanse not himself from sin on the third day, then on the seventh day, shall he not be clean,
Numbers 19:19
and the clean person shall sprinkle upon the unclean, on the third day, and on the seventh day, - so shall he cleanse himself from sin, on the seventh day, and shall wash his clothes, and bathe in water and be clean in the evening.