Document a1njjpezE4YMGMVevQL3DpG1e

January 9, 2009 Via Federal Express Document Processing Center (Mail Code 7407M) Room 6428 Attention : 8(e) Coordinator Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 1201 Constitution Ave., NW Washington, DC 20004 p. 1 96AIR0/69 16~6 hIeZU-3875 DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P .O. Box 50 Newark, DE 19714-0050 , Dear 8(e) Coordinator : Re: Perfluorooctanoate Anion (PFOA) - Updated Occupational Serum Sample Results Circleville, Ohio This letter is a supplement to our letter of March 25, 2008 -which included serum sampling results from the Circleville, Ohio facility among other facilities . The updated serum sampling results for workers at the above referenced DuPont site are for 2008 . The levels of PFOA reported with this submission are generally corroborative of previously reported levels in an occupational setting . This information is provided to the TSCA 8(e) office in view of the Agency's continued interest in perfluorinated substances and as precautionary measure . - Sincerely, A. Michael Kaplan, Ph.D. Director - Regulatory Affairs AMK/BJD : clp (302) 366-5260 Attachment (1 page) F 9 0 N -0 O C) CD (D N :3 N (D !j n . CD G O O' Q. ~ Fn . ~ (D CU O fl) C )- -a CD =r N (D Ov _ v z' (p , 00 ~l ~ fn -P W N -~ ~ Cp co O _ .-rN X <' ,d CL CD v c CD ~' Q E V < 3' '3 ~. s~: ur N ~l N N W O C3t O W -P OD 00 ~I CD tO `J Vi O O -~ N N -1 N W O N - 00 O W U3 ~I W Ui W ~ W .P .~ CD C7 (P _ CO 1 Cn ~ N ~ ' N Cn N ~ U~ m W 1C0D 00 M 00 (~ZI) W O . CO) ~ c.,,, CO A .p O N O (n O (p J N) -n 0 0 0n n Op D N N WG G _w O ~. N. O 0 -0 3 OC0) ~ E ~F =3 w O O v o 0 c.0