What's the noun for contaminated? Here's the word you're looking for.
contamination
The act or process of contaminating; pollution; defilement; taint; also, that which contaminates.
(linguistics) A process whereby words with related meanings come to have similar sounds.
(linguistics) The influence of one form (often from a foreign language) on the historical development of another form to which it may be related in meaning.
The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirableforeign substances.
“The factory's wastewater discharges acted as a contaminator, polluting the nearby river and compromising its purity.”
“The unregulated industrial practices and harmful emissions from the factory have earned it the reputation of being a major contaminator of the surrounding environment.”
“They trace the contaminator who turns out to be a repugnant creature spreading garbage wherever he goes.”