ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Perfluorodecanesulfonataem,monium saltm;ay alsobe referred to as PFDS, FC-120,or 3M Sample J2905-1.(1-Decanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,91,01-0,10, heneicosafluoroa-m,monium saltC,AS # 67906-42-7) Remarks: Test sample isa mixtureofthetestsubstanceinwaterand butylcellosolv(eapproximatel2y5% testsubstance,37.5% butyl cellosolvaend 37.5% water).Allvaluesreportedrelatetothismixture.

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acmeatyatael;sobe referredtoas PFOSAA, FC-128 oras themajor component of FC-127, FC-129, FC-109,or FC-109-X.

ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredtoas PFOS, FC-95, oras a component ofFC-206C and 81-2/8.(1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component ofFC-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

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30) Laboratory incineration study of PFBS and Fluorochemical polymers UDR-TR-2002-000153 SANITIZED DEC 0 9 2003 12/16/2002 Laboratory-Scale Thermal Degradation of Perfluoroalkyl Sulfonates and Perfluoroalkyl Sulfonamides Final Report Prepared by: Takahiro Yamada and Philip H.

CXR Biosciences Ltd.

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ST-279 ToxDocs 10-014 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-014: ADME Study of MTDI+D 207 (Potassium Perfluorohexanesulfonate, K"PFHXxS) in Mice FINAL REPORT ToxDoces Study Number 10-014 Lot Number(s) 118993-109 Strategic Tox Lab Study Number | ST-279 Other Identification Number(s) L-9051 | | || 19F/IH-NMR Analytical `GID Number Study Director Report|No GID numberassigned; see Appendix 1 for Certificate of Analysis Jill Hart, AAS, LATg Laboratory Administrator Principle Investigator: (Study Monitor) John Butenhoff, Ph.D, DABT, CIH Corporate Scientist | Testing Facility lL [| In-Life Start Date L os In-Life Termination Date ~ [3M Strategic Toxicology Laboratory 3M Center,Bldg 270, room SB314 Saint Paul, MN 55144 February 1,2010 | July 20,2010 lof 12 ST-279 ToxDoes 10-014 TOXICOLOGY ASSESSMENT3MANCDOCMOPMAPNLYIANCE ASSURANCE GROUP 10-014: ADME Study of MTDID 207 (Potassium Perfluorohexanesulfonate, K'PFHxS) in Mice Compliance Statement and Signature Page This study was conducted for research and development purposes and does not conform 10 regulatory guidelines.

ST-508 Final Report ToxDocs 14-192 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 14-192: ORAL ADME STUDY OF MTDID 37312 IN RATS FINAL REPORT ToxDocs Study Number 14-192 Test Material Lot Number(s) Strategic Tox Lab Study Number MTDID 37312 FM-3923, mixture of lots 30035, 30037, and 30039 ST-508 Other Identification Number(s) N-EtFOSE Alcohol, FC-10 19F/1H-NMR Analytical Report SMD Analytical Report 816 GID Number Study Director Jill Hart, AAS, LATg Senior Laboratory Technologist Principle Investigator: (Study Monitor) Sue Chang, Ph.D.

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