Document v19BLRanQQ79wJmRGQX19L0Kq

internCaolrrespondence August2000 Memo to Filere: OUS pooled samples Pursuanttoa review of my filet,hereareraw dataforseveralotherpooled human sera sample resultsforPFOS datingfrom 1999. This datawere assembled inour own 3M laboratoryfrom European blood banks subsequenttothe preparationof theJanuary 21, 1999 3M document entitle"dPerfluorooctaneSufonate:CurrentSummary of Human Sera,Health and Toxicology Data." The dataarevery consistentwith thatpresentedin thatpaper. No formal reportwas made relativteothesedata.Itismy understandingthat each pool iscomprised of 15-20 donors in each of threeEuropean countries.The results which have been measured inppb are: 1. Belgium - sixpooled samples analyzed;range= (4.9to22.2);average= 17 ppb 2. Netherlands-five pooled samples analyzed;range= (39-61);average= 53 ppb 3. Gen-nany - sixpooled samples analyzed;range= (32-45.6)a;verage= 37 ppb JeffMandel