Numbers 19:18,19
And a clean person shall take hyssop, and dip it in the water, and sprinkle it on the tent, and on all the vessels, and on the persons that were there, and on him that touched a bone, or one slain, or one dead, or a grave:
Torrey's Topical Textbook—AKJV

Hebrews 9:13
For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifies to the purifying of the flesh:
Torrey's Topical Textbook—AKJV