Leviticus 15:14-16

New Revised Standard Version, Anglicised Catholic Edition

¹⁴ On the eighth day he shall take two turtle-doves or two pigeons and come before the Lord to the entrance of the tent of meeting and give them to the priest. ¹⁵ The priest shall offer them, one for a sin-offering and the other for a burnt-offering; and the priest shall make atonement on his behalf before the Lord for his discharge.

¹⁶ If a man has an emission of semen, he shall bathe his whole body in water, and be unclean until the evening.