fft-oao/-/37< ail 2-z6_ /ozr ___ <P UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 February 14, 2001 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES DuPont Haskell Laboratory Attn: Gerald L.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 TAFT, STETTINIUS & HOLLISTER LLP 425 WALNUT STREET, SUITE 1800 CINCINNATI, OHIO 45202-3957 513-381-2838 FAX: 513-381-0205 www.taftlaw.com 4 R & & G - llf-lf- CLEVELAND OHIO OFFICE 3500 BP TOWER 200 PUBLIC SQUARE CLEVELAND, OHIO 44114-2302 216-241-2838 FAX. 216-241-3707 COLUMBUS, OHIO OFFICE 21 EAST STATE STREET COLUMBUS, OHIO 43215-4221 614-221-2838 FAX:614-221-2007 Ro b e r ta .

Andrea V.

6 0 P- 31 October 2003 AR226-1642 To: Mary F.

3M GLP10-01-02; Interim Report 06 Analysis of PFBS, PFHS, and PFOS In Water Samples from Decatur, AL June/July 2010 GLP10-01-02: Interim Report 06 - Analysis o f PFBS.

GLP10-01-02.

Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ' St.

Life Cycle Waste Stream Estimates August 2000 Attached is an executive summary of a report prepared by Battelle Memorial Institute entitled "Sulfonated Perfluorochemicals: U.S.

3M Environmental Laboratory A R Z26-O O f| Final Report- Analytical Study Single-dose Dermal Absorption/Toxicity Study of T-6049 in Rabbits In-Vivo Study Reference Number: HWI#6329-130 Study Number: AMDT-020895.1 Test Substance: FC-95 (T-6049) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

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3M General Offices >p 3M March 17, 2000 3M Center St.

0730 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) 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).

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Toxicological Summary AR226-1746 PFOS Dietary Acute Northern Bobwhite 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).