The Department of Justice must “go up Massey’s chain of command as far as possible” and hold accountable those individuals responsible for the deaths of 29 coals miners at Massey Energy’s Big Branch (W.Va.) mine in 2010, a group of lawmakers urged Attorney General Eric Holder.

Don Blankenship was head of Massey Energy when 29 coal miners lost their lives in a massive explosion. Forced to resign, he has been largely invisible since.

There were many factors that led up to the April 5, 2010, explosion that killed 29 coal miners at Massey Energy’s Upper Big Branch (W.Va.) mine, according to a new Mine Workers (UMWA) report on the disaster. But according to the report—”Industrial Homicide“—“there is only one source for all of them:”

Massey Energy managers hid serious safety problems at the Upper Big Branch (W.Va.) mine from federal mine safety officials by keeping two sets of records, Mine Safety and Health Administration (MSHA) officials revealed this morning. An April 5, 2010, explosion at the mine killed 29 miners.

Massey Energy Co.’s Upper Big Branch (W.Va.) coal mine exploded April 5, 2010 because the company operated the mine in a “profoundly reckless manner and 29 coal miners paid with their lives for the corporate risk-taking,” according to an independent report on the disaster commissioned by former W.Va. Gov. Joe Manchin (D).

The day after federal mine safety officials announced a series of “outrageous” safety violations at a Massey Energy West Virginia coal mine, mining industry officials were on Capitol Hill calling for fewer federal inspections and a voluntary safety program.

Forty years after the passage of the Occupational Safety and Health Act (OSH Act), “there is much more work to be done….The job safety laws must be strengthened,” finds the 2011 AFL-CIO annual job safety report “Death on the Job,” released this morning to commemorate Workers Memorial Day. (Click here for the full report.)

In hundreds of events around the nation on Workers Memorial Day, April 28, workers will gather together at worksites, city parks, houses of worship and local and state government offices to remember those who have lost their lives on the job and demand strong safety laws and tough enforcement of those laws.

One year ago today, 29 coal miners were killed in an explosion at a West Virginia mine that had a long and troubling record of safety violations.

As we approach Tuesday, April 5, the first anniversary of the deadly blast at Massey Energy’s Upper Big Branch (W.Va.) mine that killed 29 coal miners, the nation’s top mine safety official today called for tougher laws and bigger penalties for safety violators.