(dba Exygen Research) (Exygen) from DuPont Corporation.

(dba Exygen Research) (Exygen) from DuPont Corporation.

Excretion of radiolabeled PFOA was studied in four species by Dupont in 1988.

(dba Exygen Research) (Exygen) from DuPont Corporation.

t DuPont Haskell Laboratory AR226-3372 January 9,1997 HAZARD CHARACTERIZATION FOR HUMAN HEALTH C8EXPOSURE CAS REGISTRY NO. 3825-26-1 Prepared by: LSe. nBi.oBr Rieegseela,rPchh.DTo. xicologist 1 HAZARD CHARCAACSTREREGIZIASTTRIOYNNFOO.R38H2U5-M26A-1N HEALTH C8 EXPOSURE .

RNA84111 2 Characterisation Data of the Test Item TEST ITEM Batch Number CAS RN Chemical characterization Purity Appearance Water solubility Stability in water Density 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro- P00/001 678-39-7 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecane-1-ol (EINECS) C8-perfluoroalkylethanol: 99.8 % (a/a), sum perfluoroalkylethanol 99.9 % (a/a) Yellowish solid wax 134 g/L at 12 degree C, Std 29 g/L, n=8 (DuPont, 2002) 137 g/L at 25 degree C, Std 53 g/L, n=17 (DuPont, 2002) Stable at test conditions Ca. 1.7 g/cm3 Expiry date Recommended storage Storage at testing facility Retention Identification parameter at testing facility Unlimited if stored under the recommended conditions.

Excretion of radiolabeled PFOA was studied in four species by Dupont in 1988.

INDEX Relevant to lobbying Notes and summary from the documents in order of time My questions and comments Title of the EIR document, with link to the document in google drive Summary of main findings: (AGC are producing 30g of PFOA annually as a by-product of their PTFE processes - although this doesn't add up with the mass balance reports.)

LABORATORY PROJECT ID: DuPont-15372 SPONSOR: E.I. du Pont de Nemours and Company Wilmington, Delaware 19898 U.S.A

SAFER STATES AND SIGNATORY COMMENTS ON ECHA PFAS RESTRICTION PROPOSAL Safer States is submitting the following comments in strong support of the proposed restriction of per- and polyfluoroalkyl substances (PFAS) on behalf of the following 19 organizations based in the United States (US): Alaska Community Action on Toxics, Alliance of Nurses for Healthy Environments, Center for Environmental Health, Clean and Healthy, Clean Cape Fear, Clean Water Action, Consumer Reports, Defend Our Health, Earthjustice, Ecology Center, Great Lakes Regional Center of the National Wildlife Federation, Merrimack Citizens for Clean Water, North Carolina Conservation Network, Oregon Environmental Council, Responsible Purchasing Network, Safer States, Vermont Conservation Voters, Vermont Natural Resources Council, Women's Voices for the Earth.

Appearance Yellowish sold wax Watersolubiity 134 giL at12degreCe, Std 20ygiL, n=8 (DuPont, 2002) 137 ugiL at 25 degree C, SId 53 pglL, n=17 (DuPont, 2002) Stability in water Stable at test conditions Density Ca. 17 gem' Expiry date Recommended storage Storage at esting facilly Retention Ientiication paramotor attesting facily Unlimited if stored under the recommended conditions.

Appearance Yellowish sold wax Water solubiity 134 gi at 12 degree C, Std 20 gL, n=8 (DuPont, 2002) 137 gi at 25 degres C, Sid 53 gil, n=17 (DuPont, 2002) `Stabilty in water Stable at test conditions.

Date 4; Comoeny Sanitized- Does no. contain T3CA CBf FILE No. 715 02/12 '99 09=21 ID DUPONT JACKSON LAB RM110 609 540 4463 PAGE 6 RESPONSIBLE PERSONNEL DPT 429/9&4523/AC Lewis A.

., Std Std 29 53 gL, gil, n= (DuPont, 2002) n=17 (DuPont, 2002) Stable at test conditions.

-ovicToxicity 90-Day Oral Gavage Study in Rats Volume 3 of3 Laboratory Project ID: 'DuPont-9478 "TestGUIDELINES: U.S.