CXR Biosciences Ltd.

September 10, 2003 Document Control Office (D CO ) Office of Pollution Prevention and To xics (O P P T ) US Environmental Protection Agency EP A East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 A ISIi 1 ^ ^ 1S a M .

AIL 2-1 6 -1 0 ZT F -Y /-0 1 /- /3 7 & UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 February 14,2001 -4'-2.2G-/SS7 OFFICE OF PREVENTION.

6 _ II^B FINAL REPORT IN VIVO RAT MICRONUCLEUS ASSAY COVANCE STUDY: 22900-0-4540ECD STUDY SCHEDULE: Study Initiation Date: 18-Oct-2001 Initial Dose Date: Study Termination Date: Final Report Date: 23-Oct-2001 19-Nov-2001 25-Jan-2002 rc<Us3s2sy3 G>?

lo f f AR <256- U The Society of the Plastics Industry, Inc.

_ IAA& Final Report on A Pharmacokinetic Study of Potassium Perfluorooctanoate in the Cynomolgus Monkey ./ To: 3M Corporation P.O.

- mo ANALYTICAL METHOD VALIDATION FOR THE DETERMINATION OF PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS) IN ARTIFICIAL SOIL WILDLIFE INTERNATIONAL, LTD.

30 June 2003 To: Mary F.

Telom er Research Program AR226-1428 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroEarthworm (Eiseniafetida), Acute Toxicity Test in Artificial Soil Author(s): Martina Noack Contractor: Dr.

3M Specialty M ateriali 3M Center St.

MIN 312/014272 PERFLUOROOCTANESULFONYL FLUORIDE (POSF; T-7661.1) PRELIMINARY TOXICITY STUDY BY INHALATION ADMINISTRATION TO CD RATS FOR 1 WEEK Sponsor 3M Center, 3M Corporate Toxicology, Building 220-2E-02, St Paul, MN 55133-3220, USA.

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Toxicological Summary pros 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).

<OEH>s DuPont Legai RECEIVED' OPP CB'C m m 12 AH 6-. 09 Andrea V Malinowski Corporate Counsel DuPont Legal D-7078 Wilmington, Delaware 19898 Phone: 302-774-6443 Fax: 302-774-4812 AR226-1882 8 January 2004 Document Control Office (DCO) Office of Pollution Prevention and Toxics (OPPT) US Environmental Protection Agency EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 VIA OVERNIGHT MAIL Attention: Docket No.

Document Control Office Office of Pollution Prevention and Toxics Page 3 8 January 2004 AR226-1883 ATTACHMENT Analytical Report West Virginia Department o f Environmental Protection Analysis o f Perfluorooctanoic Acid in Fish Samples Exygen Report No.