The widely used dry-cleaning and degreasing solvent perc can be converted to useful chemicals by a new clean, safe and inexpensive procedure. The discovery using on-demand UV activation may open the ...
State Environmental Regulation columnist Charlotte A. Biblow writes that about 70 percent of the dry cleaners located in the state still use perc as their solvent of choice, despite a 1997 regulation ...
In December 2024, the agency finalized a rule under the Toxic Substances Control Act identifying perchloroethylene (perc), a ...
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