Rex Forge, a Plantsville, Conn., producer of forged parts for the automotive industry, suffered a fire last week that caused part of a building to collapse. As a result, some waste oil spilled into the nearby Quinnipiac River. Fortunately, there were no fatalities among the 80 employees on-site at the time of the fire, though some were treated for minor injuries. The cause of the fire has yet to be officially determined. The blaze destroyed part of a facility that has housed the company since 1867. The oil spill has been mostly cleaned up and the Quinnipiac River is now at minimal risk, according to the state Department of Energy and Environmental Protection.