Mark Keeley, 19, who followed in his father's footsteps when he joined the Philadelphia Gas Works, was the PGW worker killed Tuesday night in a gas explosion in Tacony, sources said.
Three other PGW workers remained at Temple University Hospital's burn unit yesterday while investigators tried to determine what caused the blast.
A gas leak that could be smelled several blocks away was reported about 7:20 p.m. on Torresdale Avenue near Disston Street , Executive Fire Chief Daniel Williams said.
"It's not like you got a little whiff from your hot water," he said.
Williams said the strong odor was beneficial because many residents self-evacuated, but about 40 people, including 24 from a senior-citizens home, had to be evacuated by fire officials.