FORMER ASTI president Bernadine O'Sullivan received the highest donations, totalling over ?8,867, in her unsuccessful bid to get elected to the Seanad.
Figures released yesterday by the Standards in Public Office Commission showed that ?33,809 was disclosed by unsuccessful candidates at the Seanad elections.
Ms O'Sullivan was pipped for the third seat in the National University of Ireland constituency by outgoing Senator Joe O'Toole.
The figures show that the ASTI gave donations of around ?25,000 split between candidates for both the Dail and the Seanad. Ms O'Sullivan received over ?2,000 in cash from the union as did independent Senate candidate David Martin.
Of 152 candidates contesting the election, 103 were unsuccessful. They were required to disclose donations in excess of ?634.87.