Numbers 19:8-10

The Voice

^7-8 Afterward, the priest should carefully wash himself and his clothes; then he can reenter the camp. Likewise the one who burns the fire should also wash himself and his clothes. But recognize that they are ritually impure until that evening. ^9-10 Someone else, someone ritually pure, should collect the ashes that remain from the completely burnt offering and put them all in a ritually pure place outside the boundaries of the camp. Then that person, too, should wash his clothes and understand he is ritually impure until evening. The ashes will be used to make a cleansing solution for the Israelites. This is a sin offering.

Remember and observe this perpetual statute concerning ritual contamination and cleansing, which applies to the foreigner who lives among you as well as to all native Israelites: