Bible Verses About The Altar of Burnt Offering: Cleansed and purified with blood

And every day shalt thou offer the bullock of sin-offering for atonement: and thou shalt cleanse the altar, when thou makest atonement for it; and thou shalt anoint it, to sanctify it.

Seven days thou shalt make atonement for the altar, and sanctify it: and the altar shall be most holy; whatsoever toucheth the altar shall be holy.