^2Z&~ l72(p Determination of Possible Interference of Perfluorooctane Sulfonic Acid Potassium Salt with Rat Cholesterol Date: 8/17/99 Study: 6329 263 Serum Vehicle Blank Blank 0 ug/mL 0 ug/mL 1.08 mg 3.23 mg 6.46 mg /mL_______/mL_____ /mL mg/dL #1 mg/dL #2 mg/dL #3 68 66 66 65 67 66 66 65 65 65 65 65 66 66 65 mean s.d. 66.33333 65.66667 65.66667 65.33333 65.66667 1.527525 0.57735 0.57735 0.57735 1.154701 Method Principle (Trinder reaction) Cholesterol esters present in serum or plasma are hydrolyzed qualitatively in to free cholesterol and fatty acids by microbial cholesterol esterase.

P 1R A 6 - 3 3 / ^ 494 TRANSLATION SUMMARY OF BIOCONCENTRATION STUDY REPORT 1.

M A M - 3 3 1If. 496 evelopmental Toxicity Study in Rats DuPont-10157 TRADE SECRET Study Title developmental Toxicity Study in Rats Laboratory Project ID: DuPont-10157 Test Gu id elin es: United States (U.S.)

AR226-3323 luorotelomer Supply Chain Where do we stand now?

$ (jS 60 000471 RESULTS OF THE 1995 STUDY OF C-8 BLOOD LEVELS Ammonium perfluorooctanoate, bettor known as C-8, is a surfactant that is cousonly used in the Teflon* BTO.

H * m H Environment Environnement | | Canada Canada p. 1 MAA6. 35^3 Consultation Notice / Avis de consultation Action Plan on Perfluorocarboxylic Acids and Precursors/ Plan d'action pour les acides perfluorocarboxyliques et leurs prcurseurs Dear Sir or Madam, Monsieur, Madame, The purpose of this letter is to inform you of Environment Canada's intention to hold consultations on proposed actions addressing perfluorocarboxylic acids (PFCAs) and their precursors.

Katherine E.

* 3TM Katherine E.

M 2 S 6 _ 373C Andrea V.

TSCA Document Processing Center Attn: Section 8(e)/FYI P-1 August 10,2006 Page 5 of 10 Attachment 2 ^ 226. 37^ Tables and excerpts from the draft protocols that contain information related to C-8 blood levels.

P-1 ii!

"McCrea, Deborah" <mccrea@taftlaw.com> 10/05/2010 11:39 AM AlZcr3<l4% P-1 To NCIC OPPT@EPA cc "Bilott, Robert A."

AR S S 6 - 07&9 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

A ft #.9.6 _ > 73/ ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A A 6 - OZH3 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-602. (1Octanesulfonic acid) (CAS # 2795-39-3).