Leviticus 11:31-33

New Revised Standard Version, Anglicised

³¹ These are unclean for you among all that swarm; whoever touches one of them when they are dead shall be unclean until the evening. ³² And anything upon which any of them falls when they are dead shall be unclean, whether an article of wood or cloth or skin or sacking, any article that is used for any purpose; it shall be dipped into water, and it shall be unclean until the evening, and then it shall be clean. ³³ And if any of them falls into any earthen vessel, all that is in it shall be unclean, and you shall break the vessel.