CAS Number 24448-09-7 3M Company -fir& & Voluntary Use and Exposure Information Profile N-methyl perfluorooctanesulfonamido ethanol I.

AR226-2071 4 S' 258508 ,,, Processed!

AR226-2996 .

AR226-3635 3M ENVIRONMENTAL LABORATORY REPORT NO.

"/\fL S l.olG -- D & 3> ACUTE TO XICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

_ 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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AR 2%6-054% Perfluorooctane Sulfonate: Current Summary of Human Sera, Health and Toxicology Data 3M January 21, 1999 ) 000014 Jaary 21,1999 TABLE OF CONTENTS EXECUTIVE SUMMARY cscs I.

AR R26 -- 088 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST IESTSUBSTANCE Identity: rMeifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotneewnhticohf mFCa-y30al0s3o.b(e1Octanesulfonic acid) (CAS # 2795-39-3).

ASMZeetse1s1eenvronsg1eebroi|Tsesset rosuts VGA DVGW-2EB % PErrogdeubknti/spsreoadbucgtebrochenMeoBlayukmoutseter1p1r1iifung / Test resultsofpartial type testing Auftraggeber / customer: Dow Corning rr Ee | | -- Tr -- i-- ------ ------eee Prufgrundlage / standard: DIN EN 377 (April 1999) Autasind otmarin nonconornancesaremarked103 rKeastteavnecreattoacnod FlplreeGsaurruecko| ft rVeesmisatlaencnebteoi hhohhotnemTpeemrpaetruarteuren I0 |] rRoadnogreunng vViaakcosatat ~ roeusibstoansceatcongaest [ Vasenzi unanme [ VorhalteE n gegendy oer Kupfer/ Koratdoesoiofnsgrroasdi|n sVeerniitoorn gsoggnitbebr eElrasomeren iVnoctrmeaesrezoufnvaonummee Varezmame increase of hardness |fi:i] |] |] | | =I |] J =k 1% ~

FOR DU FONT USE ONLY AR226-2949 Du Pont HLO 379-90 Itl;loesf t Item) tiControl Item) Study Completed On i ; July 11, 1990 Contracting Laboratory 'Biosearch, Inc. ;3408-50 B Street Philadelphia.

AR226-3042 Study Title Skin Irritation Test with H-21987 in Rabbits Laooratory Project ID Haskell Laboratory Report No. 605-96 Carol Finlay Study Compleied On August 26,1996 Performing Laboratory E.

TRADE SRPPITT AR226-3095 Study Title 100-PERSON HUMAN REPEATED INSULT PATCH TEST WTIH H-23046 (CONTROL),H-23004 (TEST), AND H-23045 (TEST) LABORATORY PROJECT ID: HLO-1998-01285 DATA REQTOREMENTS; AUTHOR; STUDY COMPLETED ON: PEEFORMING LABORATORY: David Gabriel April 17,1998 ConTox Ltd.

OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity:N2-(N-methylperfluorooctanesulfonamido)-eatchryyllatem;ay alsobe referredto as N-MEFOSEA, or MEFOSEA. (2-Propenoicacid,2[[(heptadecafluorooctyl)sulfonyl]methylaminoe]settehry,ClAS 25268-77-3) Remarks: Materialisan amber, waxy solid.The testlaboratoryidentifietshe compound as "T-5869"(Batch2408).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component ofFC-201 F-X. (1Octanesulfonicacid)(CAS # 2795-39-3).