Leviticus 17:16 But if he wash them not, nor bathe his flesh; then he shall bear his iniquity. Torrey's Topical Textbook
Numbers 19:13,20 Whoever touches the dead body of any man that is dead, and purifies not himself, defiles the tabernacle of the LORD; and that soul shall be cut off from Israel: because the water of separation was not sprinkled on him, he shall be unclean; his uncleanness is yet on him. Torrey's Topical Textbook