The company conducted an independent report into sound levels and King said "it was very clear early on" that the "orientation and position of the stage" was of crucial importance.
The Pairc Trust has expressed disappointment at Mr Lomas' comments and accused him of misrepresenting its position at a vital stage in the negotiations.
There is talk among some applicant countries of regarding the Brussels deal as merely an opening position for the final stage of the accession negotiations.