Parallel
Numbers 19:21
Brenton's English Septuagint · Berean Standard Bible
And it shall be to you a perpetual statute; and he that sprinkles the water of sprinkling shall wash his garments; and he that touches the water of sprinkling shall be unclean until evening.
This is a permanent statute for the people: The one who sprinkles the water of purification must wash his clothes, and whoever touches the water of purification will be unclean until evening.