&tfGt' fa> iooosnyAP* \ 3M SPECIALTY ADHESIVES & CHEMICALS ANALYTICAL LABORATORY ' To: ' From: Leo Gehlhoff- (309727) -3M Chemicals - 236-2A-01 Tom Kestner - (3-5633) SA&C Analytical Lab - 236-2B-11 Request # 's 53030 ARXU-05CM Subject: Fluorochemical Isomer Distribution by 19F-NMR Spectroscopy Date: December 1, 1997 SAMPLE DESCRIPTIONS: * FC-95, lot # 217 (T-6295); Nominal product = CFi7-S03(-) K(+) INTRODUCTION: This sample was subjected to a 19F-NMR spectral analysis method to determine the identities and relative concentrations of the fluorochemical isomers and as many other identifiable impurity components as possible.

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_ 075S ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

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2003 APR 2*4 PH 2: 2 8 Vapor Pressure Determination: 8-2 Telomer B Alcohol D uPont report 12735 8-2 Telomer B Alcohol, C8F17CH2CH2OH: Vapor Pressure Test Guideline(s) Authors Mary A.

ARA9.G - 136S Study Title T e n n e s s e e R iv e r V a l l e y S a m p l e s Author M ark E.

% COLUM BUS, OHIO OFFICE TW ELFTH FLOOR 21 E A S T STATE S T R E E T COLUM BUS, O H IO 43215-4221 614-221-2838 FAX: 614 -2 21 -2 0 07 Robert A.

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V l i '9 <Mg) STAIUSMCD 10DJ E. d u P o n t d e N e m o u r s & C o m p a n y IN CORPORATED W ilmington, Delaware 19898 POLYMER PRODUCTS DEPARTMENT e x p e r im e n t a l s t a t io n PERSONA!

ENTRAL RESEARCH & DEVELOPMENT DEPARTMENT Haskell Laboratory for Toxicology and Industrial Medicine 4/LZ-Z&-l&l4 cc: P.

Report E01-1256 PFOS: A Reproduction Study with the Mallard AR226-1743 Study Title Analytical Phase Report for PFOS: A Reproduction Study with the Mallard Data Requirement FI FRA Subdivision E, Section 71-4 OECD Guideline 206 Author Lisa A.

TITLE: SAMPLE TRACKING OF WILDLIFE SAMPLES ANALYZED FOR CONCENTRATIONS OF PERFLUORINATED COMPOUNDS BY: John L.

SRPT 15*375 Study No.