Leviticus 1:5

1:5 Then the one presenting the offering must slaughter the bull before the Lord, and the sons of Aaron, the priests, must present the blood and splash the blood against the sides of the altar which is at the entrance of the Meeting Tent.

Leviticus 3:8

3:8 He must lay his hand on the head of his offering and slaughter it before the Meeting Tent, and the sons of Aaron must splash its blood against the altar’s sides.

Leviticus 8:15

8:15 and he slaughtered it. Moses then took the blood and put it all around on the horns of the altar with his finger and decontaminated the altar, and he poured out the rest of the blood at the base of the altar and so consecrated it to make atonement on it.

Leviticus 8:24

8:24 Next he brought Aaron’s sons forward, and Moses put some of the blood on their right earlobes, on their right thumbs, and on the big toes of their right feet, and Moses splashed the rest of the blood against the altar’s sides.

Leviticus 9:18

9:18 Then he slaughtered the ox and the ram – the peace offering sacrifices which were for the people – and Aaron’s sons handed the blood to him and he splashed it against the altar’s sides.