Perchloroethylene (PCE), also known as “perc,” is the most commonly used chemical solvent in dry cleaners. Dry cleaners in Utah using PCE are subject to federal and state regulations.
40 CFR 63 Subpart M sets national standards for reducing hazardous air pollutant (HAP) emissions, specifically PCE, from new and existing commercial dry cleaning facilities to protect public health. These MACT standards require facilities to use equipment like refrigerated condensers and carbon absorbers, implement specific operating procedures, and maintain records to control PCE emissions and ensure compliance.