Leviticus 8:11
And he sprinkled thereof upon the altar seven times, and anointed the altar and all his vessels, both the laver and his foot, to sanctify them.
Cross-reference
Leviticus 14:7 also features sevenfold sprinkling for cleansing, though with blood instead of oil.
Leviticus 16:14 repeats the sevenfold sprinkling on the mercy seat, paralleling the ritual pattern of purification.
Exodus 29:36 commands anointing the altar for consecration, which is exactly what is performed in this verse.
Exodus 40:10 instructs anointing the altar and utensils to make them most holy, matching the action performed here.
Numbers 7:1 summarizes Moses anointing and consecrating the tabernacle and its furnishings, the same act described here.
Exodus 30:18 commands making the bronze basin that is later anointed and consecrated here.
Ezekiel 36:25 uses similar sprinkling imagery for cleansing, shifting from oil on objects to water on people for purification.