The trust had carried out asbestos surveys of its buildings and the City hospital was known to contain asbestos, but the information was not passed on to the maintenance contractors.

BBC: Belfast Health Trust fined over City hospital asbestos

Authors Lloyd Dixon, Geoffrey McGovern and Amy Coombe tried to pull detailed information about the 44 asbestos trusts.

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"This case highlights the importance of not only having accurate and up-to-date asbestos surveys carried out, but also ensuring that this information is given to anyone who carries out work on premises which are known to contain asbestos, " HSENI investigating inspector Hugh Moss said.

BBC: Belfast Health Trust fined over City hospital asbestos

It is becoming clear that rather than acting to prevent abusive claims, the asbestos trusts are effectively encouraging fraud by inhibiting claims information sharing between the trusts and the tort system.

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But participants fell short in their efforts to require more information and consent among nations trading in a construction material, Chrysotile asbestos, and a formulation of the powerful herbicide, Paraquat, despite support from most of the 169 nations represented at the two-week U.N. summit.

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