Numbers 19:21

19:21 It shall be a perpetual statute to them: and he who sprinkles the water for impurity shall wash his clothes, and he who touches the water for impurity shall be unclean until even.
-World English Bible

Other Translation

19:21 And it shall be a perpetual statute unto them, that he that sprinkleth the water of separation shall wash his clothes; and he that toucheth the water of separation shall be unclean until even.
-King James Version