You shall tell them, 'This is the offering made by fire which you shall offer to Yahweh: male lambs a year old without blemish, two day by day, for a continual burnt offering.

the same shall purify himself with water on the third day, and on the seventh day he shall be clean: but if he doesn't purify himself the third day, then the seventh day he shall not be clean.

and the clean person shall sprinkle on the unclean on the third day, and on the seventh day: and on the seventh day he shall purify him; and he shall wash his clothes, and bathe himself in water, and shall be clean at evening.

But if her husband altogether hold his peace at her from day to day, then he establishes all her vows, or all her bonds, which are on her: he has established them, because he held his peace at her in the day that he heard them.

"Encamp outside of the camp seven days: whoever has killed any person, and whoever has touched any slain, purify yourselves on the third day and on the seventh day, you and your captives.