2 Chronicles 35:11
They slaughtered the Passover lamb, and the priests poured out the blood that they had received from the lambs while the descendants of Levi flayed the sacrifices.
2 Chronicles 29:34
Because there weren't enough priests, they were unable to prepare all the burnt offerings until other priests came forward after having consecrated themselves, so their descendant of Levi relatives assisted them until the services were complete. (The descendants of Levi had been more conscientious in consecrating themselves than had been the priests.)
Leviticus 1:5-6
Then he is to slaughter the young bull in the LORD's presence."
Numbers 18:3
They are to take care of your concerns and all the responsibilities involved with the tent. But they're not to approach the holy vessels or the altar. That way, neither you nor they will die.
Numbers 18:7
Now you and your sons with you are to maintain your priestly duties and all matters that concern the altar and what is housed within the veil. You are to perform these services. I'm giving you the priesthood as a gift of service, but any unauthorized person who approaches is to be put to death."
2 Chronicles 29:22-24
So they slaughtered the bulls and the priests sprinkled the blood on the altar. They also slaughtered the rams and sprinkled the blood on the altar, and they also slaughtered the lambs and sprinkled the blood on the altar.
2 Chronicles 30:16
The priests and descendants of Levi felt ashamed of themselves, so they consecrated themselves and brought burnt offerings to the LORD's Temple. Then they took their customary places, as the Law of Moses the man of God prescribes, and the priests sprinkled the blood that they were given by the descendants of Levi.
Hebrews 9:21-22
In the same way, he sprinkled with the blood both the tent and everything used in worship.