TSCA Document Processing Center Attn: Section 8(e)/FYI M2.Z6 - 373V August 10,2006 Page 4 of 10 Attachment 1 July 19, 2006 "Note for settling parties" from the Science Panel (1 page) Note for settling parties We have prepared some outline protocols for several interlinked research components addressing the potential health effects of exposure to C8 around the Washington Works plant.

ACUTE TOXICITY TO CHIRONOMUS TENTANS USING SPIKED SEDIMENT TEST SUBSTANCE_______________________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1Octanesulfonic 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.

Taft Stettmius & Hollister LLP 425 Walnut Street, Suite 1800 / Cincinnati, OH 45202-3957 / Tel: 513.381.2838 / Fax: 513.381.0205 / www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing 3932- Robert a .

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

Centre Analytical Laboratories, Inc. 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 www.centrelab.com Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Water and Sediment Samples Port St.

BACK TO MAIN PFOS: A 7-DAY TOXICITY TEST WITH DUCKWEED (Lemna gibba G3) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN ACUTE CONTACT TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The 3M production lot number was 217.

COVAH^ THE DEVELOPMENT SERVICES COMPANY Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

Larry R.

3M General Offices U&S1 f f 3M May 4, 2000 3M Center St.

A l W - o 157 3M Environmental Laboratory__________________________ Final Report- Analytical Study Single-Dose Intravenous Pharmacokinetic Study of T-6053 in Rabbits In-Vivo Study Reference Number: HWI#6329-136 Study Number: AMDT-010495.1 Test Substance: FC-99 (T-6053) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

3M Specialty Materials June 28, 2000 c f yr - - 13M Center S65t.1P7a3u3l, M11N0055144-1000 0300 M 22.6- 062% r&(-5s>, m-o ---aonmmo ---F3aCo coom VIA EXPRESS MAIL Dr.