Leviticus 5:2

5:2 Or when there is a person who touches anything ceremonially unclean, whether the carcass of an unclean wild animal, or the carcass of an unclean domesticated animal, or the carcass of an unclean creeping thing, even if he did not realize it, but he himself has become unclean and is guilty;

Leviticus 11:5

11:5 The rock badger is unclean to you because it chews the cud even though its hoof is not divided.

Leviticus 11:38

11:38 but if water is put on the seed and such a carcass falls on it, it is unclean to you.

Leviticus 13:11

13:11 it is a chronic disease on the skin of his body, so the priest is to pronounce him unclean. The priest must not merely quarantine him, for he is unclean.

Leviticus 13:15

13:15 so the priest is to examine the raw flesh and pronounce him unclean – it is diseased.