Leviticus 3:9
3:9 Then he must present a gift to the Lord from the peace offering sacrifice: He must remove all the fatty tail up to the end of the spine, the fat covering the entrails, and all the fat on the entrails,
Leviticus 11:32
11:32 Also, anything they fall on when they die will become unclean – any wood vessel or garment or article of leather or sackcloth. Any such vessel with which work is done must be immersed in water and will be unclean until the evening. Then it will become clean.
Leviticus 16:27
16:27 The bull of the sin offering and the goat of the sin offering, whose blood was brought to make atonement in the holy place, must be brought outside the camp and their hide, their flesh, and their dung must be burned up,