^{18 Ref} And he is to go out to the altar which is before the Lord and make it free from sin; and he is to take some of the blood of the ox and the blood of the goat and put it on the horns of the altar and round it;

^{19 Ref} Shaking drops of the blood from his finger on it seven times to make it holy and clean from whatever is unclean among the children of Israel.