people i'm glued my blood has over forty three micrograms of piaf away politer my wife has the same thing and not a day goes by when we don't talk about p.f. i way it's depressing tens of thousands of people here in the outer ting district are affected. for the past three years concerned citizens have been meeting on a regular basis to pressure the authorities to lay everything on the table they feel district administrators have done too little and too late to inform the public on a levels in the water for frank blame our it was a shock to find out he was contaminated you know organise your my plasma was refused when i tried to donate to a blood bank we formed this group because we were not informed about the p.f. we contamination here in the district only after putting pressure on the authorities and we achieved a certain degree of transparency. but just how dangerous is peer for way for humans it. is technical officer for chemical safety of the w h o's european center for environment and health care for a is a persistent them by accumulating substances so if but i was shall harmful effe