PCE concentrations in indoor air can be reduced by adequate ventilation and air flow.  But how much ventilation is needed?  And is there enough air movement to reduce the PCE in your store? Dry cleaners with PERC machines will have PCE concentrations in the air of their store because ofRead More →

PCE is tetrachloroethylene, a chlorinated solvent, which is a manufactured chemical that does not occur in the natural environment.  PCE was widely used as a metal degreaser by the military and industry since the 1940’s.  Later, PCE was also used in dry cleaning practices.  According to the California State WaterRead More →

Tetrachloroethylene (PCE), is a chlorinated solvent used in dry cleaning and industrial operations.  It is also known as tetrachloroethene, or perchloroethylene (PERC).  If inadvertently spilled or leaked onto the ground surface, it can get into the soil and groundwater.  PCE does not degrade quickly and can remain in the subsurfaceRead More →

Dry cleaning was once widely known as French cleaning because the process was invented by a Frenchman in the mid-1800’s who reportedly noticed that when a kerosene lamp was overturned on a tablecloth, the cloth was rendered remarkably clean. He began experimenting with solvents, and French cleaning was born. TheRead More →