Leviticus 14:7

14:7 and sprinkle it seven times on the one being cleansed from the disease, pronounce him clean, and send the live bird away over the open countryside.

Leviticus 14:16

14:16 Then the priest is to dip his right forefinger into the olive oil that is in his left hand, and sprinkle some of the olive oil with his finger seven times before the Lord.

Leviticus 14:51

14:51 He must then take the piece of cedar wood, the twigs of hyssop, the scrap of crimson fabric, and the live bird, and dip them in the blood of the slaughtered bird and in the fresh water, and sprinkle the house seven times.