ANALYTICAL ILABORAToRy REPORT ON THE Determinationofthe Presence and Concentration of Perfluorooctanesulfonat(ePFOS) (CAS Number: 2759-39-3) inthe Serum of Sprague-Dawley@' Rats Exposed to Potassium Perfluorooctanesulfonatveia Gavage LaboratoryReport No.

J09M -Volume41,Number 9,SePtember1999 799 Serum PerfluorooctaneSulfonateand Hepatic 90 and Lipid CII.McalChemistry Tests "n fluorochemical Production Employees Geary W.

Multi-PhaseE Method 0 L TOXICITY TO AQUATIC PLANTS (E.G.

Protocol.P Freshwater .. 11::::I PROTOCOL PFOS: A 96-HOURTOMCITY TEST WITH THE FRESHWATER ALGA (Anabaenaflos-aquae) US.

Protocol.PFOS: A 96-Hou Freshwater Diatom (Navicu PROTOCOL PFOS: A 96-HOUR T03UCITY TEST WITH THE FRESHWATER DIATOM (Naviculapelliculosa) U.S.Fn*omncnW ProtectioAngmcy Series850 -EcologicalEffectsTest Guiddines OPPTS Nunber 850.5400 3M Lab RecpiesNto. ln723 submittedto 3M Corporation EnvironmentalLaboratory 935 Bush Avam'..., St.Paid, Minnesotit 55 IIM WildlffeInternationalL,td.. 8599 Commera-,Drivc Easton,Maryland 21601 (410)822-8600 September 17, 1999 WILDLIFE INTF-RNATIONALT LTD PFOS: A 96-HOUR TOMCITY TEST WrrH THE FRESHWATER DIATOM (tvaviculapelliculosa) SPONSO SPONSOR!

N-ETFO WATER SOLUBILITY TEST SUBSTANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay also be referredto as N-ETFOSE Alcoholor FM-3422.

VAPOR PRESSURE TEST SUBSTANCE Identity:N-Ethylperfluorooctanesulfonamidmea;y alsobe referredtoas U 1464, ETFOSA, ETPOSA, F-6309, or FX-1 2. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa whitesolid.Report statesthatsample purityis 99% based on informationsuppliedby Sponsoes representativeT.he lot number was not recorded.

3M Environmental Laboratory FinalReport- AnalyticalStudy Single-DoseIntravenousPharmacokinetic Study ofT-6052 in Rabbits In-Vivo Study ReferenceNumber: HWI#6329-134 StudyNumber: ANMT-111694.1 TestSubstance:FC-120 (T-6052) Name and Address ofSponsor: 3M SCD Division 367 Grove Street St.Paul,MN 55106 Name and Address of TestingFacility: 3M EnvironmentalTechnology & Services 935 Bush Avenue St.Paul,N4N 55106 Method Numbers AMDT-M-1-0, AMI)T-M-2-0, AMDT-M4-0, AMDT-M-5-0, AMDT-M-8-0.

REPORT EVALUATION OF THE MUTAGENIC ACTIVITY OF T-5869 IN AN IN VITRO MAMMALIAN CELL GENE MUTATION TEST WITH L5178Y MOUSE LYMPHOMA CELLS (WITH INDEPENDENT REPEAT) NOTOX Project 115954 NOTOX Substance 38196 page I of 22 - (,'VE, NO',,' 9 T-5869 STATEMENT OF GLP COMPLIANCE NOTOX Project 115954 NOTOX B.V., Is-Hertogenbosch, The Netherlands The study described in this report was conducted in compliance with the most recent edition of: The OECD Principles of Good Laboratory Practice which are essentially in conformity with: The United States Food and Drug Administration.

roming HazletonInc.

Pathology Associates International A Company of ScienceApplicationIsnternationaClorporation An&WbYe&Owmd Canvany Sponsor: 3M St.Paul,Minnesota PROTOCOL Study Title: CellProliferatiSotnudywithN-EthylPerfluorooctanesulfonamiEdtohanol(N-EtFOSE; 3M T-6316.11), PerfluorooctanSeulfonicAcid PotassiumSalt(PFOS; 3M T-6295.16),and N-EthylPerfluoroctanesulfonamide (PFOSA 3M T-7091.1)inRats Date: January 12,1999 Performing Laboratory R.O.W.

MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acetmaatye;also be referredto as PFOSAA, FC-128 or as the major component of FC-1 27, FC-1 29, FC-1 09,FC-1 09-X or Rl 904.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may also be referredtoas PFOS, FC-95, or as a component ofFC-201 F.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component ofFC-203CE. (1Octanesulfonicacid)(CAS # 2795-39-3).

MICROBICS MICROTOXO TEST SUBSTANCE.