Ryan's 57-page document is part of a Republican agenda he's putting forward as a platform before the GOP National Convention.
On April 16, 1947, a fire broke out aboard a freighter igniting approximately 2,300 tons of ammonium nitrate (a compound used to make dynamite) in the ship's hold. Texas City exploded.
Mine Workers Pres. Cecil Roberts adds the agency was also victim of lack of funds and mis-directed priorities imposed by the GOP Bush government in the years before the blast.
President Obama plans to beef up workplace regulations.