ATTACHMENT TO LETTER OF JUNE 28, 2001 3M FLUOROCHEMICAL SUBMISSION BACK TO COMPOUNDS TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS Click on Study Title to View Report COMPOUND-SPECIFIC STUDIES N-EtFOSE alcohol N-ethyl perfluorooctane sulfonamidoethanol Repeat Dose 1.

ATTACHMENT TO LETTER OF JUNE 28, 2001 BACK TO COMPOUNDS 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS Click on Study Title to View Report COMPOUND-SPECIFIC STUDIES PFOS Perfluorooctane Sulfonate Repeat Dose Studies 1.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_____________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

si a) *1\ 1 : Pamela Moseley/DC/USEPA/US 08/28/2008 10:46 AM To Toni Krasmc/DC/USEPA/US@EPA cc Deena Vann/DC/USEPA/US@EPA bcc Subject Fw: LOI Submission of August 1,2008 O Toni, 1.

31VI General Offices April 21, 2000 3M Center St.

3M Environmental Laboratory AR 1*26-0026 G) M ethod Extraction of Potassium Perfluorooctanesulfonate or other Fluorochemical Compounds from Liver for Analysis using HPLC - Electrospray/M ass Spectrometry Method Number: ETS-8-6.0 Author: Lisa Clemen, Robert Wynne Approved By: Laboratory Manager tGroup Leader --------- - a Technical Reviewer Adoption Date: o j l i h U x Revision Date: ~y ^ h < i Date Date Oilmh Date 1.0 Scope and Application 1.1 Scope: This method is for the extraction of potassium perfluorooctanesulfonate (PFOS) or other fluorochemical compounds from liver. 1.2 Applicable Compounds: Fluorochemical surfactants or other fluorinated compounds. 1.3 Matrices: Rabbit, rat, bovine, and monkey livers or other tissues as designated in the validation report.

AR U 6 -0051 DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD -s WILDLIFE INTERNATIONAL LTD.

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A P 3 -2 6 -O IH Study Title Static Acute Toxicity of FX 3820 to the Daphnid, Daphnia aacna Authors Timothy J.

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Xff tifiAa- 63z May 2000 Organization for Economic Cooperation and Development Existing Chemicals Task Force Meeting PFOS Assessment Approach in OECD The recently circulated information on PFOS and its associated derivatives raises a number of important questions regarding this chemical technology and the appropriate steps to take in light o f the decision by the major manufacturer to phase out production for most uses during the current year.

M 3.3.6 - VZ7D ATTACHMENT TO LETTER TO C.

M - 077& TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

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