Bible Verses About Sin Offering: In every case poured at the foot of the altar of burnt offering

The priest shall put some of the blood on the horns of the altar of sweet incense before the LORD, which is in the Tent of Meeting; and he shall pour out all of rest of the blood of the bull at the base of the altar of burnt offering, which is at the door of the Tent of Meeting.

The sons of Aaron presented the blood to him; and he dipped his finger in the blood, and put it on the horns of the altar, and poured out the blood at the base of the altar:

The land was defiled: therefore I punished its iniquity, and the land vomited out her inhabitants.

Therefore you shall keep my requirements, that you do not practice any of these abominable customs, which were practiced before you, and that you do not defile yourselves with them. I am the LORD your God.’”