Perc also known as perchloroethylene, PCE, or tetrachloroethylene is a colorless, nonflammable liquid with a sweet odor. It evaporates readily into the air. Some algae produce perc naturally, but the ...
A known carcinogen, Tetrachloroethylene is a chemical often used as a solvent for dry cleaning, and now fugitive traces of PERC can be found in many places around the city, including brownfields in ...