Leviticus 5:3

5:3 Or if he touch the uncleanness of man, whatsoever uncleanness [it be] that a man shall be defiled withal, and it be hid from him; when he knoweth [of it], then he shall be guilty.

Leviticus 17:6

17:6 And the priest shall sprinkle the blood upon the altar of the LORD [at] the door of the tabernacle of the congregation, and burn the fat for a sweet savour unto the LORD.