irina zastenskaya is technical officer for r chemical safafett ththe who's euroropean centerr envivironmentd health. irina: pa a is a psiststent d bibio-accumulatiting substanceh popotentially haharmful effectr human health it's c classified the ininternational l agency for research o on cancer as s possy carcininogenic for h human hea. andespspite much morore studis are neededed to confirirm the hh efcts,s, now we have evincnce thatat high concenentration ofa in humuman blood relelates o disorders,s, thyroid gland function disisorders, andd productiveve health disorders. rereporter: evenen though manyny citizensns knew nothing about , pfoa has been in altÖining for. district adminisators satheynyny dn't warn citins soonerg about , because the concentration was always under the guideline value. district environmental protection head robert mÜller says therere was, and is, , no e for alarmismsm. robert: ever since the authorities wewere made awararf pfoa in the late 1990's,hehe distct a admintratioion ovided extetensive informrmation ad regular upupdates to thehe cits of altÖtting. in the me

irina zastenskaya is technical officer for chchemical safetett the e who's europepean centerr enviroronmentd health. iririna: pa isis a psistenent d bio-o-accumulatingng substanceh potetentially harmrmful effectr huhuman health. it's e inteternational agagency for research on n cancer as popossy carcinogogenic for humuman hea. and spitite much more e studis are neededed to confirm m the hh effes, n now we have evideee that h high concentrtration ofa in humanan blood relatates o disorders, t thyroid gland fufunction disororders, and rereoductive h health disorder. repoport: even though ma cizens k kw nothinabout it, pfoa has been a altotting g r because e concenation watheydide alwa under t guideli lue. disict envinmentalprotecr ys there w w, and is, nono cause fofor alarmism.. robert: ever since the auauthorities werere made awarf pfoa in the late 1990's, t distri admdminisation n prided extensnsive informatation ad regular updadates to the c cits of altÖtting. in the meantime, carbon filtratition systems h have bn installed soso that the enente population h has access toto pf-freree drinki