Source: https://www.greatamericaninsurancegroup.com/

A contractor for a PERC dry cleaner installed a ventilation fan system in its vapor barrier room. The ventilation fan was intended to collect vapor and exhaust it through the stack above the building, relieving dense buildup. The fan was installed correctly; however, due to an alleged manufacturing error, the fan malfunctioned. Unfortunately, several occupants of the dry cleaner complained that they suffered injuries from being exposed to the vapor in the building. Read more.