Document M4QL7qq6x7a2rmVnLnb524J2y

a~p~NT . November 20, 200 7 P. CZ 14 3'r/le- 0 TO DuPont Haskell Global Center s for Health an d Environmental Sciences Elkton Road, P.O . Box 5 0 Newark, DE 19714-0050 Via Federal Express ~ Document Processing Center (Mail Code 7407M) Room 642 8 Attention : 8(e) Coordinator Office of Pollution Prevention an d Toxics U .S . Environmental Protection Agenc y 1201 Constitution Ave ., NW Washington, DC 20460 Contain Dear 8(e) Coordinator: 8EHQ-0381-0394 Perfluorooctan oate (PFOA ) This letter is submitted as a supplement to our two letters on Ap ri l 2, 2007 an d our July 9, 2007 submission to the above-identified file . To date, three of five m an uscri pts have been accepted for pubJieation, which are subject to copyright rest ri ctions by the journ als .but can be accessed at the websites noted below,, "Cross-Sectional Study of Lipids an d Liver Enzymes Related to a Se rum Biomarker of Exposure (ammonium perfl uorooctanoate or APFO) as Part of a General Health Su rv ey in a Cohort of Occupationally Exposed Workers". http://www .joem.org/pt/re/joem/abstract .00043764-2007 1000000010 .htm ; isessionid=HPOWDYTMF 14FnCJGHHMJVtihR 1 wJB73FjntJTJ YYXL4MLm1vx4KG!1323538283!181195628!8091!- 1 "Longitudinal Study of Serum Lipids an d Liver Enzymes in Workers with Occupational Exposure to Ammonium Perfluorooctanoate" . http://www . joem .org/pt/re/joem/abstract.00043764-20070800000008 .htm ;isessionid=HPOWnyTMF 14FnCJGHHMJVtihR I wJB73FjntJTJYYXL4M Lm1vx4KG!1323538283!181195628!8091!- 1 "Retrospective Coho rt Mortality Study of Workers in a Polymer Production Pl ant Including a Reference Population of Regional Workers" . http ://www.annalsofepidemiologv .or g /article/PIIS 1047279707002578/abstract Sincerely , ~, vVLLe~~~ A . Michael Kapl an , Ph .D. Director - Regulatory Affairs AMK/RWR/RCL : clp (302) 366-5260 i 8 9 U 8 U 7) U U U 4 31~ i It ~ogl ~~