Leviticus 11:31-40

31These [creatures] are unclean to you among all that swarm; whoever touches them when they are dead becomes unclean until evening.

32Also anything on which one of them falls after dying becomes unclean, whether it is an article of wood or clothing, or a skin, or a sack—any article that is used—it must be put in water, and will be unclean until the evening; then it becomes clean.

33As for any earthenware container into which any of these [crawling things] falls, whatever is in it becomes unclean, and you shall break the container.

34Any of the food which may be eaten, but on which [unclean] water falls, shall become unclean, and any liquid that may be drunk in every container shall become unclean.

35Everything that part of their carcass falls on becomes unclean; an oven, or a small stove shall be smashed; they are unclean, and shall be unclean to you.

36Nevertheless a spring or a cistern (reservoir) collecting water shall be clean; but whoever touches one of these carcasses shall be unclean.

37If a part of their carcass falls on any seed for sowing which is to be sown, it is clean;

38but if water is put on the seed and a part of their carcass falls on it, it is unclean to you.

39‘If one of the animals that you may eat dies [of natural causes], whoever touches its carcass becomes unclean until the evening.

40And 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.