Blood: Sacrificial: Poured at the Bottom of the Altar
Source: Nav
Exodus 29:12
Take some of the blood of the bull and put it on the horns of the altar with your finger; then pour out the rest of the blood at the base of the altar.
Leviticus 8:15
Moses slaughtered the bull, took some of the blood, and applied it with his finger to all four horns of the altar, purifying the altar. He poured out the rest of the blood at the base of the altar and consecrated it so that atonement could be made on it.