Leviticus 16:19 in the King James Version
And he shall sprinkle of the blood upon it with his finger seven times, and cleanse it, and hallow it from the uncleanness of the children of Israel.
Context
18 “He shall go out to the altar that is before the LORD and make atonement for it, and shall take some of the bull’s blood, and some of the goat’s blood, and put it around on the horns of the altar.
19 He shall sprinkle some of the blood on it with his finger seven times, and cleanse it, and make it holy from the uncleanness of the children of Israel.
20 “When he has finished atoning for the Holy Place, the Tent of Meeting, and the altar, he shall present the live goat.