http://www.foodsafetynews.com/2017/02/fda-confirms-euthanasia-agent-pentobarbital-in-dog-food/ http://www.foodsafetynews.com/2017/02/fda-confirms-euthanasia-agent-pentobarbital-in-dog-food/I see it says positive, but no level of detection. There isn’t a human or petfood sample that can be found on the planet that isn’t positive for a dozen or more poisons. LOD! Level of Detection must be expressed. Arsenic was in the same samples, so was lead, so was a dozen other poisons. It is hopeless trying to convey science to people that refuse it.