Leviticus 15:17 - Every garment, and every skin, whereon the semen is, shall be washed with water, and be unclean until the evening.
Leviticus 15:12 - "`The earthen vessel, which he who has the discharge touches, shall be broken; and every vessel of wood shall be rinsed in water.
Colossians 3:5 - Put to death therefore your members which are on the earth: sexual immorality, uncleanness, depraved passion, evil desire, and covetousness, which is idolatry;
John 18:28 - They led Jesus therefore from Caiaphas into the Praetorium. It was early, and they themselves didn't enter into the Praetorium, that they might not be defiled, but might eat the Passover.
Leviticus 13:44 - 46 - he is a leprous man. He is unclean. The priest shall surely pronounce him unclean. His plague is on his head. "The leper in whom the plague is shall wear torn clothes, and the hair of his head shall hang loose. He shall cover his upper lip, and shall cry, `Unclean! Unclean!' All the days in which the plague is in him he shall be unclean. He is unclean. He shall dwell alone. Outside of the camp shall be his dwelling.