Document xdeEwMmr4NrY8N8RRxDqnX7zE

,4*226- 102.5 - j ' J - 1V !:.ij .v\:'r DuPont Haskell laboratory tor Toxicology and Industrial Medicine Elkton Road, P.O. Box 50 Newark, DE 19714-0050 DuPont Haskell Laboratory Gerald L. Kennedy Director, Applied Toxicology DuPont Haskell Laboratory P.O. Box 50 Elkton Road Newark, Delaware 19714-0050 Phone: (302)366-5259 li:t I 2 3 Pi'I (jif P / I - oSo I-OOI3 73 PUP -4 & 1 2 6 - / S Z O VIA f e d e r a l Ex p r e s s Contain no cbi Document Control Office (7407) Room G99 East Tower ATTN: FYI Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 401 M Street, S.W. Washington, D.C. 20460-0001 85010000014 May 24, 2001 Dear Sir/Madam: FYI-0101-01378 and FYI-0301-01378 In response to your letter dated March 20, 2001 requesting the entire data set of blood concentrations summarized in the table on page 9 in the report "Voluntary Use and Exposure Information Profile Ammonium Perfluorooctanoate (APFO) (revised January 2001)" [referred to below as UEIP], please see the attached Dataset Table. Employee numbers have been deleted from the tables and replaced by code numbers to protect employee confidentiality. In compiling the data contained in the attached Dataset Table, errors were discovered in the table on page 9 of the UEIP. A corrected table for page 9 of the UEIP is provided below. 2001JU.!j-8 AMT-UQ E i. d t Pont de Nemours and Company 000039 Printed on Recycled Paper I FYI-0101-01378 May 2001 Page 2 Corrected Table for Page 9 o f the January 2001 UEIP Year 1995 1989-90 1985 1984 # of Samples 80 22 22 19 Minimum Concentration (ppm) 0.12 0.06 0.06 0.07 Maximum Concentration (ppm) 4.5 11 18 24 Mean Concentration (ppm) 1.56 1.96 2.34 3.21 In addition, note that the 1995 data in the attached Dataset Table is reported for employees in jobs with potential for APFO exposure who had their blood tested in 1995. Available data is also provided for earlier selected years (i.e., for 1989-90,1985, and 1984), but only for those same employees. Additional blood sampling data for other employees and for other years is being compiled and will be submitted when complete. Please contact me directly if you need additional information. Very truly yours, GLK:jhh Attachment Gerald Kennedy 000040 1 FYI-0101-001378 Dataset Table - APFO Blood Samples 1995 1999-90 1985 1984 Code no. ppm A P F O ppm A P FO ppm A P F O ppm A P FO *1 2 0.66 2 1.6 6 2.4 2.5 32 0.26 0.24 4 2.1 1.4 0.76 1.1 75 0.87 74 4.4 4.3 18 24 5 4.2 i 6 2.8 2.9 4 7 4.2 2.9 2.6 2.6 a 4.1 2.7 2.7 4 9 0.58 0.08 0.06 0.07 10 1.9 0.81 1.2 1.9 11 1.4 12 4.5 5.4 9.2 8.7 13 3.5 1.3 2 14 3.1 ! 4.2! 76 0.55 15 1.3 0.72 0.5 0.75 16 1.7 17 4 2 77 0.74 18 2.5 1.1 19 1.4 0.4 0.5 20 1.4 21 0.74 0.19 78 0.47 i 22 0.69 0.12 ! 23 0.26 0.06 24 0.32 25 0.73 26 1.7 _________ _______________ J 27 1.7 28 2.7 0.76 0.76 29 2.6 ! 0.55, 30 2.1 1 0.4! 31 1.9 79 0.24 j 80 3.6 11 4.5 32 2.4 0.65 i 33 1.7 0.67 1.2 1.3 34 1.1 0.36 35 1.4 0.58 0.62 0.77 36 37 1.2 _ _ _ _ _ -jj 3 0.52 CO CO 3.6 1.7 39 0.14 40 0.13 41 0.12 0.09 Page 1 of 2 o6O041 May 2001 FYI-Q101 -001378 Dataset Table - APFO Blood Samples (continued) I 1995 ; 1989-90 1985 1984 Code no. * ppm A P FO ppm A P FO !ppm A P F O ppm AP FO 42 0.73 ! 43I 0.69 ! ' 0.93 44 2 45 2.1 ! 0.4 i 0.42 0.06 46 0.93 j 47 1 48 ____ 1-4 49 0.58 ! 50| 1.1 51 1.5 52! 1.2 53 0.69 ' 54: 1.7 55 1.4 ! 56 i 0.93 57' 1.3 iI 58 1.4 I 59 0.94 60 0.37 61 0.96 62 0.6 63 1.2 64 0.91 65 1-2 j 66 0.46 I 67 0.93 68 0.31 i 69 0.35 70 1.1 71 1.2 72 0.95 73 : i # Samples Average Maximum Minimum i 0.93 80 1.56 4.5 0.12 I j 22 1.96 11 0.06 i i 22 2.34 18 0.06 19 3.21 24 0.07 Page 2 of 2 000042