Leviticus 14:46
"Moreover he that goeth into the house all the while that it is shut up shall be unclean until the even."
Cross References (ranked by relevance)
And every soul that eateth that which died of itself, or that which was torn with beasts, whether it be one of your own country, or a stranger, he shall both wash his clothes, and bathe himself in water, and be unclean until the even: then shall he be clean.
And whosoever toucheth any thing that was under him shall be unclean until the even: and he that beareth any of those things shall wash his clothes, and bathe himself in water, and be unclean until the even.
The soul which hath touched any such shall be unclean until even, and shall not eat of the holy things, unless he wash his flesh with water.
And he that beareth the carcase of them shall wash his clothes, and be unclean until the even: they are unclean unto you.