Numbers 19:9

And a man who is clean shall gather up the ashes of the heifer and deposit them outside the camp in a clean place . And they shall be kept for the water for impurity for the congregation of the people of Israel ; it is a sin offering .

“A man who is clean shall gather up the ashes of the heifer and put them in a ceremonially clean place outside the camp. They are to be kept by the Israelite community for use in the water of cleansing; it is for purification from sin.

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation : it is a purification for sin.