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Home > Mining Companies > Vale S.A. > News > Vale Сalls Off Level 3...
Vale S.A.

Vale Сalls Off Level 3 Emergency – Nitrous Oxide Release

Aug 13, 2015
During the planned maintenance period of the Vale Acid Plant in Copper Cliff, there was a release of nitrogen oxide and nitrogen dioxide (NOx) mist. Emergency measures were activated and as a precaution a Level 3 emergency was called. The emergency air horn was sounded at approximately 6:00 a.m.to notify residents in the nearby area.
 
Emergency and Vale personnel are now satisfied that the NOx mist has dissipated given the wind speed and weather conditions and there is no risk of additional substance traveling beyond company boundaries. Therefore, there is no risk to the community. The Level 3 emergency therefore was declared ‘all clear’ at 8:26 a.m.
 
There are no reported injuries as a result of this incident. If a person is exposed to a NOx, symptoms can include nose, throat, eye, skin and respiratory irritation. If these symptoms should occur, a person should find fresh air and flush any irritated area with water. If symptoms persist, a person should seek medical attention.

Source: http://saladeimprensa.vale.com/en/Paginas/Articles.aspx?r=Vale_calls_off_level_3_emergency_%E2%80%93_nitrous_oxide_release&s=Mining&rID=880&sID=6

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