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P-1 3 000043 P-2 2ndD raft Trip Report Visit to National Medical Services Laboratory (NM S) Monday, January 29,2001 Mary A.

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3M Corporate Toxicology and Regulatory Services 3M Center.

3Afl A&2S16- $S7Z 3M ENVIRONMENTAL LABORATORY PROJECT NO.E05-0442 Analytical Report Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Num ber EQ5-0442 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory' _________________ _ _ _____________________________________________ ;_________ _ 3M Environmental Laboratory Project Lead Mark E.

4ZZ(;3772l ACUTE TOXICITY TO THE FRESHWATER AMPHIPOD (Hyalella azteca) 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: The test substance is a white powder.

Commercial-in-Confidence Chemex reference: ENV8010/020737 P-1 Sa* , * 9 0 The growth inhibition of the marine alga Skeletonema costatum by CJ Report for Notox B.V Report issued by: Chemex Environmental International Limited Unit J Broad Lane Industrial Estate Cottenham Cambridge CB24 8SW England April 2007 Sponsor: Notox B.V Hambakenwetering 7 P.O.

Taft/ Taft Stettinius & 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 Robert a .

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244403 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 02/28/2006 Signature Name: Richard C.

N-EtFOSA Acute Toxicity - / 000466 Acute Oral Toxicity Screen with T-306700C in Albino Bats i No.

A (L & & G - 0 7 / / ACUTE AQUATIC TOXICITY 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).

A fi. & Z 6 _ 0 7 t j - 2 A C U T E T O X IC IT Y TO FISH (M U M M ICH O G ) T E S T S U B S T A N C E _____________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFO S, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) Rem arks: The 3M production lot number w as not noted.

M~ A C U TE TO X IC ITY TO A Q U A TIC IN VER TEB R A TES (DAPHNIA MAGNA) T E S T SU B STA N CE______________________ _ _ ____________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFO S, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (C A S # 2795-39-3).

A f t 2 6 - 01&2> 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-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

M AS.6 - O ACUTE TO XIC ITY TO FISH TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate;, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).