The Conservatives attempted to continue the row on Tuesday by firing off four letters to shadow cabinet ministers, challenging them to explain what they said was uncosted spending in education, local councils, environment and justice.
The executive engineer in Galway County Council's environment department, John McMyler, has threatened to sue Ireland's Department of Agriculture under environmental pollution laws.
The DUP councillor Robert Hill has confirmed he took a bottle of Bacardi Breezer from a fridge during a sitting of Newtownabbey borough council's environment committee on Monday night.
A Cuadrilla spokesman said: "We have full planning and regulatory approval for this work from the Department for Energy and Climate Change, West Sussex County Council, the Environment Agency and the Health and Safety Executive".
The report will go before the council's environment committee on 11 July.
The council's environment committee is due to consider the plans on 22 November.
County councillors will present a report to the council's environment overview committee on 1 October.
Councillor Simon Pickering, chair of the council's Environment committee, said it was a "crucial bit of work".
A report to the council's environment services committee said there was no clear explanation for this increase.
