Greens concerned over new enHealth advisory levels Port Stephens LGA by News Of The Area - Modern Media - June 28, 2016 THE Greens are concerned at the new enHealth safe advisory levels for PFOS/PFHxS and PFOA, released today. enHealth say the interim levels are based on the 2008 European Food Safety Authority’s Tolerable Daily Intake values for PFOS and PFOA. enHealth have reiterated that locals living in areas with ‘potentially contaminated water bodies’ not