7 Bible Verses about Contamination

Or when a soul shall touch upon any unclean thing, if upon a carcase of an unclean beast, or upon the carcase of unclean cattle, or upon the carcase of an unclean creeping thing, and it was hidden from him: and he is unclean and guilty.

And every one which he flowing shall touch upon him (and washed not his hands in water), he washed his garments, and washed in water and was unclean till the evening.

All touching upon the dead, upon the soul of man which shall die, and shall not be purified, defiled the dwelling of Jehovah; and that soul was cut off from Israel: for the water of uncleanness was not sprinkled upon him, he shall be unclean; his uncleanness yet upon him.

Turn aside, turn aside, come ye forth from thence; ye shall not touch the unclean thing; come forth from the midst of her; be separated ye lifting up the vessels of Jehovah.

And Jehovah will speak to Moses and to Aaron, saying, When ye shall come into the land of Canaan which I give to you for a possession, and I gave the stroke of leprosy in a house of the land of your possession; And he to whom is the house, came and announced to the priest, saying, It was seen to me as a stroke in the house.read more.
And the priest commanded, and they cleared the house, before the priest shall go in to see the stroke, and all which is in the house shall not be unclean; and after this the priest shall go in to see the house. And he saw the stroke; and behold, the stroke in the walls of the house, the hollows greenish, or reddish and their sight low from the wall. And the priest shall go forth from the house to the door of the house, and he shut up the house seven days. And the priest turned back in the seventh day, and saw, and behold, the stroke spread in the walls of the house. And the priest commanded, and they took away the stones which in them was the stroke, and they cast them without the city into an unclean place. And he shall scrape the house from within round about, and they poured out the dust which they scraped off without the city, into an unclean place. And they took other stones and brought instead of these stones; and he shall take other clay and spread over the house. And if the stroke shall turn back and break out in the house after he took away the stones, and after he scraped off the house, and after it was spread over; And the priest came and saw, and behold, the stroke spread in the house; it a painful leprosy in the house: it is unclean. And he tore down the house, and its stones, and its wood, and all the dust of the house: and he brought forth without the city, into an unclean place. And he coming in to the house all the days it is shut up, shall be unclean till the evening. And he lying in the house shall wash his garments: and he eating in the house shall wash his garments.

And Jehovah will speak to Moses, saying, Command the sons of Israel, and they shall send forth from the camp every one leprous, and every one flowing, and every one unclean for the soul: From male even to female ye shall send them forth, without the camp shall ye send them; and they shall not defile their camp where I dwell in the midst of them.read more.
And the sons of Israel will do so, and they will send them forth without the camp: as Jehovah spake to Moses, so did the sons of Israel.

But to send to them, to keep off from pollutions of images, and harlotry, and strangulation, and blood.