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 14:27

14:27 and sprinkle some of the olive oil that is in his left hand with his right forefinger seven times before the Lord.

Leviticus 16:19

16:19 Then he is to sprinkle on it some of the blood with his finger seven times, and cleanse and consecrate it from the impurities of the Israelites.