Leviticus 5:3 Or if he touches human uncleanness, of whatever sort his uncleanness may be with which he becomes unclean, and it is hidden from him, and then he comes to know it, he will be guilty.

Leviticus 5:6 'He shall also bring his guilt offering to the LORD for his sin which he has committed, a female from the flock, a lamb or a goat as a sin offering. So the priest shall make atonement on his behalf for his sin.

Numbers 6:9 But if a man dies very suddenly beside him and he defiles his dedicated head of hair, then he shall shave his head on the day when he becomes clean; he shall shave it on the seventh day.

Ezekiel 44:17 "It shall be that when they enter at the gates of the inner court, they shall be clothed with linen garments; and wool shall not be on them while they are ministering in the gates of the inner court and in the house. (NASB ©1995)