BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE_____________________________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

3M Lifetime Drinking Water Health Advisory for Perfluorooctanoate - January 28, 2002 3M Lifetime Drinking Water Health Advisory for Perfluorooctanoate Authors: (7c^ ?

3M General Offices 3M Center St.

ARaac-oio^ \\ { SUMMARY OF HISTOPATHOLOGICAL EXAMINATIONS OF FATHEAD MINNOW (Pimephales promelas) EXPOSED TO 78.02 FOR 30 DAYS.

ARW>i65Attachments to Letter to C.

A R 30G -03: BIODEGRADATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1l2,2,3.3,4)4 I5,5,6,6,7,7,8,8.8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

P M X S rO H 0 <\ MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, FC-109-X or R1904.

A R # 6- o m it ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: [2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate: may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2[ethyl[heptadecafluorooctyl)sulfonyl]amino]ethyl ester, CAS # 423-825) Remarks: Material is an amber solid.

AkaG- M i l l Centre Analytical Laboratories.

4R - 0 2 7 & ACUTE TO XIC ITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-783. (1Octanesulfonic acid) (CAS # 2795-39-3).

3M Specialty Materials 3M Center St.

\\G1 O.E P.A.

'Ui /Y R a 1 6 - 1176 2003 JH 15 IN THE CIRCUIT COURT OF WOOD COUNTY, WEST VIRGINIA JACK W.

3M GLP10-01-02; Interim Report 09 Analysis of PFBS, PFHS, and PFOS In Groundwater Quarterly Groundwater Sampling - Sept 2010 GLP10-01-02: Interim Report 09 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.

3M ENVIRONMENTAL LABORATORY REPORT NO.