Numbers 19:21
So it shall be a perpetual statute to them. He who sprinkles the water for impurity [on another] shall wash his clothes, and he who touches the water for impurity shall be unclean until evening.
Leviticus 11:25
and whoever picks up any of their carcasses shall wash his clothes and be unclean until the evening.
Leviticus 11:40
And whoever eats some of its meat shall wash his clothes, and be unclean until evening; also whoever picks up its carcass shall wash his clothes, and be unclean until the evening.
Leviticus 16:26-28
The man who released the goat as the [sin-bearing] scapegoat shall wash his clothes and bathe his body in water, and afterward he may come into the camp.
Hebrews 7:19
(for the Law never made anything perfect); while on the other hand a better hope is introduced through which we now continually draw near to God.
Hebrews 9:10
For they [the gifts, sacrifices, and ceremonies] deal only with [clean and unclean] food and drink and various ritual washings, [mere] external regulations for the body imposed [to help the worshipers] until the time of reformation [that is, the time of the new order when Christ will establish the reality of what these things foreshadow—a better covenant].
Hebrews 9:13-14
For if the sprinkling of [ceremonially] defiled persons with the blood of goats and bulls and the ashes of a [burnt] heifer is sufficient for the cleansing of the body,
Hebrews 10:4
for it is impossible for the blood of bulls and goats to take away sins.