3M Specialty Materials 3M Center St.

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Afua- ir / / IN TH E C IR CU IT COURT OF WOOD COUNTY, W EST VIRGINIA JACK w.

AR226-1532 33 PP Screei evel cumul -- \ r \ sment perfluorinated alkyl cids on human health Rich Purdy RECEIVED OPPT NCIC 2003 OCT-9 PM9:30 Guidance on Cumulative Risk Assessment of Pesticide Chemicals That Have a Common Mechanism of Toxicity.

PERSONAL AND CONFIDENTIAL CC: J.

AR226-1734 Toxicological Summary PFOS Dietary Acute Mallard Study Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

.Wildlife International Ltd. 1- li Project Number 454A-105 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FRESHWATER MUSSEL (Unio complamatus) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

Attachment 2 Analytical Report Air Sampling Fluorochemical Report DuPont Washington Works - Air Sampling Program Round 5 Exygen Research Report No.

3M Specialty M ateriali 3M Center S t Paul, MN 55144-1000 651 7331110 January 3,2003 VIA FEDERAL EXPRESS Docum ent C ontrol O ffice (DCO) O ffice o f Pollution Prevention and Toxics (OPPT) US Environm ental Protection Agency EPA East, Room 6428 1201 C onstitution Avenue, NW W ashington, DC 20460 Attention: Docket No.

STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Quail Serum and Quail Liver for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06, 2001 PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

A R ^ r O 40| ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

Internal Correspondence in Ij* Clair Murphy - 116-1 - 01-064 Tom Pietrs - 22-1 - 01/064 I'-'^ Dean Dworak - 41-1 - 01/064 Cliff Ruschmeyer - 116-1 - 01/064 John Pilney - 47-1 - 01/064 Tom Christ - 110-1 - 01/064 Gordon Weum - 47-1 - 01/064 TO: Glenn Damerell - 70-1-01 - 01/064 From: Larry R.

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/IRZX-055& Summary PFOS Rat Cross-Fostering Study Numbers: 3M T-6295.13, Argus 418-014 ACnomalpytoiucanldR&eqLuoets:t 5P3F0O3S0)(Perfluorooctanesulfonate) - Lot 217, 98.4% pure (SMD C.A.S.