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.
Jewish Publication Society of America Version (JPS1917) - Numbers 19:21 >And it shall be a perpetual statute unto them; and he that sprinkleth the water of sprinkling shall wash his clothes; and he that toucheth the water of sprinkling shall be unclean until even.