Leviticus 13:22

13:22 And if it spread much abroad in the skin, then the priest shall pronounce him unclean: it [is] a plague.

Leviticus 15:16-17

15:16 And if any man’s seed of copulation go out from him, then he shall wash all his flesh in water, and be unclean until the even. 15:17 And every garment, and every skin, whereon is the seed of copulation, shall be washed with water, and be unclean until the even.

Leviticus 21:11

21:11 Neither shall he go in to any dead body, nor defile himself for his father, or for his mother;

Leviticus 22:8

22:8 That which dieth of itself, or is torn [with beasts], he shall not eat to defile himself therewith: I [am] the LORD.

Leviticus 11:32

11:32 And upon whatsoever [any] of them, when they are dead, doth fall, it shall be unclean; whether [it be] any vessel of wood, or raiment, or skin, or sack, whatsoever vessel [it be], wherein [any] work is done, it must be put into water, and it shall be unclean until the even; so it shall be cleansed.