TSK · Numbers 19:21

Whoever carries any part of their carcass shall wash his clothes, and be unclean until the evening.

"He who lets the goat go for the scapegoat shall wash his clothes, and bathe his flesh in water, and afterward he shall come into the camp.

Then the priest shall wash his clothes, and he shall bathe his flesh in water, and afterward he shall come into the camp, and the priest shall be unclean until the evening.

He who gathers the ashes of the heifer shall wash his clothes, and be unclean until the evening: and it shall be to the children of Israel, and to the stranger who lives as a foreigner among them, for a statute forever.

being only (with meats and drinks and various washings) fleshly ordinances, imposed until a time of reformation.

For it is impossible that the blood of bulls and goats should take away sins.