Numbers 16:37; Numbers 19:6; Numbers 19:17

37 "Say to Eleazar, the son of Aaron the priest, that he shall take up the censers out of the midst of the blaze, for they are holy; and you scatter the burning coals abroad.

6 'The priest shall take cedar wood and hyssop and scarlet material and cast it into the midst of the burning heifer.

17 'Then for the unclean person they shall take some of the ashes of the burnt purification from sin and flowing water shall be added to them in a vessel.