The owners of a controversial industrial landfill on Greymouth’s doorstep are pressing ahead with defamation proceedings against the Grey district mayor. Mayor Tania Gibson has criticised the proximity of the dump to the town water supply. Mrs Gibson has confirmed she has filed pre-hearing evidence with the court and said the Grey District Council was mounting a defence. Timaru-based Taylorville Resource Park Ltd (TRP) filed the lawsuit about the middle of last year, and Mrs Gibson said the matter was now moving to court. She said she stood by her right as the district’s elected civic leader to express concerns on behalf of the community. The council had public liability insurance to cover the legal costs of defending the proceedings. TRP was approached for comment and asked if it had participated in any mediation process with the council to resolve the matter before getting to court. In a one-line statement, the company declined to say anything.…