Leviticus 14:53

14:53 and he is to send the live bird away outside the city into the open countryside. So he is to make atonement for the house and it will be clean.

Leviticus 15:31

Summary of Purification Regulations for Bodily Discharges

15:31 “‘Thus you are to set the Israelites apart from their impurity so that they do not die in their impurity by defiling my tabernacle which is in their midst.

Leviticus 20:22

Exhortation to Holiness and Obedience

20:22 “‘You must be sure to obey all my statutes and regulations, so that the land to which I am about to bring you to take up residence there does not vomit you out.

Leviticus 22:9

22:9 They must keep my charge so that they do not incur sin on account of it and therefore die because they profane it. I am the Lord who sanctifies them.

Leviticus 22:16

22:16 and so cause them to incur a penalty for guilt when they eat their holy offerings, for I am the Lord who sanctifies them.’”