Numbers 19:15-17

New Revised Standard Version, Anglicised

¹⁵ And every open vessel with no cover fastened on it is unclean. ¹⁶ Whoever in the open field touches one who has been killed by a sword, or who has died naturally,^[a] or a human bone, or a grave, shall be unclean for seven days. ¹⁷ For the unclean they shall take some ashes of the burnt purification-offering, and running water shall be added in a vessel;