Numbers 18:13

18:13 And whatever first ripe fruit in their land they bring to the Lord will be yours; everyone who is ceremonially clean in your household may eat of it.

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 31:24

31:24 You must wash your clothes on the seventh day, and you will be ceremonially clean, and afterward you may enter the camp.’”