7 Then the priest must wash his clothes and bathe his body in water; after that he may enter the camp, but he will be ceremonially unclean until evening.
Numbers 19:7 Cross References - BSB
Leviticus 11:25
25 and whoever picks up one of their carcasses must wash his clothes, and he will be unclean until evening.
Leviticus 11:40
40 Whoever eats from the carcass must wash his clothes and will be unclean until evening, and anyone who picks up the carcass must wash his clothes and will be unclean until evening.
Leviticus 14:8-9
8 The one being cleansed must wash his clothes, shave off all his hair, and bathe with water; then he will be ceremonially clean. Afterward, he may enter the camp, but he must remain outside his tent for seven days.
9 On the seventh day he must shave off all his hair—his head, his beard, his eyebrows, and the rest of his hair. He must wash his clothes and bathe himself with water, and he will be clean.
Leviticus 15:5
5 Anyone who touches his bed must wash his clothes and bathe with water, and he will be unclean until evening.
Leviticus 16:26-28
26 The man who released the goat as the scapegoat must wash his clothes and bathe himself with water; afterward he may reenter the camp.
27 The bull for the sin offering and the goat for the sin offering, whose blood was brought into the Most Holy Place to make atonement, must be taken outside the camp; and their hides, flesh, and dung must be burned up.
28 The one who burns them must wash his clothes and bathe himself with water, and afterward he may reenter the camp.
Leviticus 22:6
6 the man who touches any of these will remain unclean until evening. He must not eat from the sacred offerings unless he has bathed himself with water.
Numbers 19:8
8 The one who burned the heifer must also wash his clothes and bathe his body in water, and he too will be ceremonially unclean until evening.
Numbers 19:19
19 The man who is ceremonially clean is to sprinkle the unclean person on the third day and on the seventh day. After he purifies the unclean person on the seventh day, the one being cleansed must wash his clothes and bathe in water, and that evening he will be clean.