Leviticus 15:30 in the King James Version
And the priest shall offer the one for a sin offering, and the other for a burnt offering; and the priest shall make an atonement for her before the LORD for the issue of her uncleanness.
Context
29 On the eighth day she shall take two turtledoves, or two young pigeons, and bring them to the priest, to the door of the Tent of Meeting.
30 The priest shall offer the one for a sin offering, and the other for a burnt offering; and the priest shall make atonement for her before the LORD for the uncleanness of her discharge.
31 “‘Thus you shall separate the children of Israel from their uncleanness, so they will not die in their uncleanness when they defile my tabernacle that is among them.’”