Simon Coveney and Enda Kenny were warned of Air Corps concerns

Three whistleblowers warned Enda Kenny and then defence minister Simon Coveney about conditions at the Air Corps headquarters almost a year before the health watchdog issued a critical report on the management of hazardous chemicals at Casement Aerodrome.

It has also emerged that a former senior civil servant was appointed by the Department of Defence last September to review the whistleblowers’ claims, but they have yet to be contacted by this official.

Today, the Irish Examiner can reveal that: