Leviticus 15:30-32

Revised Standard Version

³⁰ And the priest shall offer one for a sin offering and the other for a burnt offering; and the priest shall make atonement for her before the Lord for her unclean discharge.

³¹ “Thus you shall keep the people of Israel separate from their uncleanness, lest they die in their uncleanness by defiling my tabernacle that is in their midst.”

³² This is the law for him who has a discharge and for him who has an emission of semen, becoming unclean thereby;