US Environmental Protection Agency Whistleblower

Updated at 11:35 pm on 24 June 2013

Originally aired on Nine To Noon, Friday 11 November 2011

Hugh Kaufman is a senior policy analyst at the EPA's Office of Solid Waste and Emergency Response. He's got serious concerns about the use of highly toxic oil dispersants in the BP gulf oil spill - the same one used here in the Rena disaster.