Numbers 19:8
19:8 The one who burns it
must wash his clothes in water and bathe himself in water. He will be ceremonially unclean until evening.
Numbers 19:19
19:19 And the clean person must sprinkle the unclean on the third day and on the seventh day; and on the seventh day he must purify him,
and then he must wash his clothes, and bathe in water, and he will be clean in the evening.
Leviticus 11:25
11:25 and anyone who carries their carcass must wash his clothes and will be unclean until the evening.
Leviticus 11:40
11:40 One who eats from its carcass must wash his clothes and be unclean until the evening, and whoever carries its carcass must wash his clothes and be unclean until the evening.
Leviticus 14:8-9
The Seven Days of Purification
14:8 “The one being cleansed must then wash his clothes, shave off all his hair, and bathe in water, and so be clean. Then afterward he may enter the camp, but he must live outside his tent seven days.
14:9 When the seventh day comes he must shave all his hair – his head, his beard, his eyebrows, all his hair – and he must wash his clothes, bathe his body in water, and so be clean.
Leviticus 15:5
15:5 Anyone who touches his bed
must wash his clothes, bathe in water, and be unclean until evening.
Leviticus 16:26-28
16:26 and the one who sent the goat away to Azazel
must wash his clothes, bathe his body in water, and afterward he may reenter the camp.
16:27 The bull of the sin offering and the goat of the sin offering, whose blood was brought to make atonement in the holy place, must be brought outside the camp
and their hide, their flesh, and their dung must be burned up,
16:28 and the one who burns them must wash his clothes and bathe his body in water, and afterward he may reenter the camp.