Panel chair unconvinced Sheena Tepania While four of the five commissioners who sat on the Waste Management resource consent hearings panel were satisfied that the adverse effects from the landfill could be mitigated, the chair, Sheena Tepania, was not. In a separate 45-page section within the 317-page decision, Ms Tepania set out the reasons why she believed the application should have been refused. She said that the actual and potential adverse effects of the landfill in terms of ecology and cultural views were significant and had not been avoided or mitigated to meet the purpose of the Resource Management Act.