By conservative estimates, California has 7,500 to 10,000 dry cleaners, at least 75% of which may have caused toxic plumes of perchloroethylene, also known as PCE, to foul the soil and groundwater ...
Since the 1940s, perchloroethylene, or PCE for short, has been a popular chemical employed in dry cleaning shops across the country. Water laps at the shore at Lake Tahoe’s Pope Beach in July.