Two Years After W. Va. The disaster received extensive news coverage worldwide. Coal Mine Blast Leaves 25 Dead, 4 Missing Fast Facts: West Virginia PCC/Massey did not take proper measures to detect methane concentrations throughout the mine. Due to the extensive nature of this report, we have chosen to break it down into pieces. Sufficient rock dust, used to make coal dust inert and prevent it from catching fire or fueling an explosion, would have prevented a coal dust explosion from occurring. The advance notice allowed PCC/Massey employees to conceal violations from enforcement personnel. Finally, PCC/Massey violated fundamental safety standards by permitting significant amounts of float coal dust, coal dust, and loose coal to accumulate in the mine. Watch Video; Download Video (To download, right click link and save file to your pc. April 5, 2012 • On April 5, 2010, an explosion killed 29 men at the Upper Big Branch mine. The state Medical Examiner’s office Thursday released the complete list of the 29 miners who died in the explosion at the Upper Big Branch mine in southern West Virginia. We are providing you with the report without the appendices included, the report with the appendices included, the appendices in one file, and the appendices as separate files. On April 5, 2010, at approximately 3:02 p.m., a massive coal dust explosion occurred at the Upper Big Branch Mine-South (UBB), killing 29 miners and injuring two. PCC/Massey’s failure to comply with UBB’s approved ventilation and roof control plans exacerbated the risk of methane accumulation.Its failure to install supplemental roof supports as required by UBB’s plan led to a roof fall in an airway that limited airflow, contributing to the accumulation of methane in the area where the explosion originated.
PDF Version; Mine Accident Scenario Video.

To the workers at the Upper Big Branch mine and the families of the victims of the explosion: The 29 miners who died in the Upper Big Branch mine on April 5, 2010, did not go to work that day with the expectation that it was the last day of their lives. PCC’s chief of security was convicted in federal court for lying to MSHA about whether advance notice was a practice at UBB; the evidence at the trial showed that it indeed was a practice and he had directed UBB personnel to provide advance notice of inspectors’ arrival on the mine property.Had PCC/Massey followed basic safety practices, the small methane explosion that set off the dust explosion would have been contained or prevented. Summary of Investigation. This should make viewing this report a bit easier. "At approximately 3:02 p.m. on Easter Monday, April 5, 2010, a powerful explosion tore through the Upper Big Branch mine, owned by Massey Energy and operated by its subsidiary, Performance Coal Company, at the convergence of Boone and Raleigh counties in southern West Virginia. On April 5, 2010, an explosion rocked the tunnels 1,000 feet underground at the Upper Big Branch coal mine in Montcoal, West Virginia. April 5, 2014 marks the fourth anniversary of an explosion at Massey Energy's Upper Big Branch coal mine in Montcoal, W.Va. 29 miners were killed in the explosion, which was the deadliest U.S. coal mine disaster since 1970.

The Upper Big Branch disaster, as it is popularly known, has become an important turning point in public opinion against the coal industry, as it should have. The physical conditions that led to the explosion were the result of a series of basic safety violations at UBB and were entirely preventable.The investigation also revealed multiple examples of systematic, intentional, and aggressive efforts by PCC/Massey to avoid compliance with safety and health standards, and to thwart detection of that non-compliance by federal and state regulators.PCC/Massey established a practice of using staff to relay advance notice of health and safety inspections to mine personnel when federal and state inspectors arrived at the mine. If you are experiencing problems in getting them to open, please right click on the link for the file and SAVE TARGET AS to your PC and then open the file.Portable Methane and Multi-Gas Detectors Recovered from a Mine Explosion at Performance Coal Company Upper Big Branch Mine-South (MSHA ID 46-08436) Montcoal (Raleigh County), WV PCC/Massey did not follow the fundamental safety practice of applying rock dust adequately to eliminate this hazard. Twenty-nine miners died and one was seriously injured as the enormously… Portable Methane and Multi-Gas Detectors Recovered from a Mine Explosion at Performance Coal Company Upper Big Branch Mine-South (MSHA ID 46-08436) Montcoal (Raleigh County), WV. It was exceeded four years later by the Upper Big Branch Mine disaster, also a coal mine explosion in West Virginia, which killed 29 miners in April 2010. Emergency vehicles leave the entrance to Massey Energy's Upper Big Branch Coal Mine on Monday, April 5, 2010, in Montcoal, W.Va. Coal Mine Blast Leaves 25 Dead, 4 Missing Fast Facts: West Virginia UBB is operated by Performance Coal Company (PCC), a former subsidiary of Massey Energy Company (Massey) (together PCC/Massey), and is located in Montcoal, West Virginia.This tragic explosion was the largest coal mine disaster in the United States in 40 years.The 29 miners who perished at UBB died in a massive coal dust explosion that started as a methane ignition. Authorities survey the scene of a mine explosion at the Upper Big Branch Mine in Montcoal, W.Va., on Monday, April 5, 2010.
This became the fuel for the explosion. The blast at Upper Big Branch comes four years after a pair of other West Virginia mine disasters — an explosion that killed 12 miners at the Sago mine and a …

You may download any of these files.Some of the following files are large and may take some time to download, depending on your connection speed. Appendices Upper Big Branch 05/04/2010 - Upper Big Branch - Explosion / Methane Explosion, Coal Dust Explosion On April 5, 2010, at approximately 3:02 p.m., a massive coal dust explosion occurred at the Upper Big Branch Mine-South (UBB), killing 29 miners and injuring two. Mine Disaster: Grief, Anger And Questions Linger.


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