corrupted by contact or association; "contaminated evidence" rendered unwholesome by contaminants and pollution; "had to boil the contaminated water&quot [..]

The presence or reasonably anticipated presence of blood or other potentially infectious materials on an item or surface.

(adj) corrupted by contact or association(adj) rendered unwholesome by contaminants and pollution

Something that is impure or unclean by contact or mixture.

Unclean or polluted because of contact with harmful substances.

bearing or containing accidentally introduced substances or organisms.

dirty or soiled, especially by microbes (germs) that cause illness

possessing infectious organisms or substances.

The presence or reasonably anticipated presence of blood or other potentially infectious material (OPIM) on an item or surface.

The site has been investigated. Results demonstrated it is land of one of the following kinds: if there is an applicable national environmental standard on contaminants in soil, the land is more contaminated than the standard allows; or