The proposed federal penalties stem from an explosion during the construction of a Kleen Energy Systems plant in Middletown, Conn.
Federal investigators said an explosion that killed six at a power plant in Middletown, Conn., showed that a common industrial practice can be deadly.
Justin Cohen, 31, of Flushing, was taken to Jacobi Medical Center in the Bronx with burns covering more than 70 percent of his body.
A carbon monoxide buildup also caused a manhole explosion, leading to the evacuation of four buildings.
Firefighters responded to reports of smoke at the eight-story building about 45 minutes before the blast.
Firefighters responded to reports of smoke at the eight-story building about 45 minutes before the blast.
The fatal explosion at an energy plant Sunday is the latest among the violent events of the last year that have thrust Middletown into an uncomfortable glare.
Mayor Sebastian N. Giuliano of Middletown, Conn., said the local police had been issued a warrant to search for signs of what caused the explosion at the Kleen Energy Systems plant.
There has been no major regulatory change to directly address the issue of where gas should be vented during construction or maintenance.