The explosions came one after another, jolting a South Los Angeles neighborhood.
"It felt like an earthquake, and then it was just raining fire," recalled Richard Gomez, who watched a metal recycling facility on Slauson Avenue erupt in flames one day in June 2010.
A worker at the United Alloys plant was critically injured in the blaze, which started in a machine that ground titanium into highly flammable flakes. Gomez, who worked at a catering business nearby, said two of his co-workers suffered minor burns when their clothes caught fire.
Noxious fumes kept about 1,000 students at nearby 49th Street Elementary School confined to classrooms without air...