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CorporateHealthPhvsies Corporate IndustriaHlygiene& Erounumics CorporateoccupationalNledicine Corporate Toxicolo@3NI 'viedical Depar@nment 3M Center,Buildin2g20-2E-02 PO Box 332'-70 St.Pau',"@IN5@1 6 @@1 1 10 Nia,,,I -@

Experiment No.: ('-onductedAt: Dates Conducted: 1--onducted BY: Reviewed By: Primary Skin Irritation Test with T-3421 in Albino Rabbits 0863EB0288 Safety Evaluation Laboratory Riker Laboratories, Inc.

AD BIOSEARCH, iNC. p.o.box 8598 philadelphiap,ennsylvania19101 t e Ie p h o n e 2 1 5 848-4499 Submitted to: Material: Sample Received: Date of Report: Test: Obiectof Test: Procedure: Restilts: Conclusion: 3M Company 3M Center St.

BIODEGRADATION (WARBURG) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaytea;lso be referredtoas PFOSAA, FC-1 28 oras the major component of FC-1 27, FC-1 29, FC-1 09, or FC-1 09-X.

/0 Submitted to: BIOSEARCH, INC.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203CE. (1OGtanesulfonicacid)(CAS # 2795-39-3).

CentreA-nalyticLaalboratoriIensc,. 3048ResearchDrive Phone: (814)231-8032 StateCollege,PA 16801 Fax: (814)231-1253 or (814)231-1580 AnalyficRaelport Fluorochemical CharacterizationofSurface Water Samples Mobile,Alabama (W2151) Centre AnalyticalLaboratory Report No. 023-014D Testing Laboratory CentreAnalyticaLlaboratoryI,nc. 3048 Research Drive StateCollege,PA 16801 3M Environmental Laboratory Contact Kent R.

ARAR6 = 343] 35 -- !

1006 _ McKenna Long Atlanta & Aldridge Denver San LLP Attorneys at Law o Dieg San Francisco CONTAIN NO C& Los Angeles 1900 K Street, NW Washington, DC 2000 6 Washington, DC Philadelphia 3 7* 3 202 .496.7500 Fax : 202 .496 .775 6 .com www.mckennalong Brussels .

4 4 p.1 ~}t~ZZ6 -37 Presented at Socie ty of Toxicology 45th Annual Meeting San Diego, CA .

28) OECD 105-OPPTS 830.7840, water solubility in nanopure water, 454C-118 SANITIZED PERFLUOROBUTANE SULFONATE, POTASSIUM SALT (PFBS) , BY THE SHAKE FLASK METHOD WILDLIFE INTERNATIONAL, LTD.

3M Specialty Materials ~~~ 3M Center P .

p. 1 ~ ^ ~' -~ ~ ~' a /~ -~ C7ti ~ ~ /" Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I .

ST-295 Final Report ToxDocs 10-152 Final Report 28-Day Oral Study in Rats (ToxDocs Study Number 10-152, MTDID 8391) Study Director: Jill Hart, AAS, LATg 3M Toxicology Assessment & Compliance Assurance, 270-2A-08 Saint Paul, MN 55144 Phone: 651-733-8586 Principle Investigator: John Butenhoff, Ph.D., CIH, DABT 3M Medical Department, 220-6W-08 Saint Paul, MN 55144 Phone: 651-733-1962 "Testing Facility: 3M Strategic Toxicology Laboratory, 3M Center, 270-3S-06 St.