OTHER "AILABLE STUDY SUMMARIES FOR N-ETFOSE ALCOHOL TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyi1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity.

FINAL'REPORT ACUTE INHALATION TOXICITY STUDY IN RATS T-2991!

CorporatOeccupationMaelWcine 3M CenterB,uildin2g20-3W-05 St.PaulM,N 55144-1000 651'/'4j2730Telephone 6517339066Fax 3.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-602. (1Octanesulfonicacid)(CAS # 2795-39-3).

InternaClorrespondence rc: ACN: F.

RarEermencaioay SSUFung M27i03n5e05s, s25M 1Catmeoorn R: 6 036] THO SYTEUADRYOORFALFL(UDOIRETO)CHETMOIXCIACLITYFM-/39C2A4RCIINNORGAETNSICITY (RIKER Experiment No. 0281CRO012) Conducted During April, 1981 - - May, 1983 Volume 5 of 5 RIKER Laboratories, St.

Primary Sin Irritation Test wien 3071 n Mbino Rabbits Experiment o.: Conducted At: iViaa conducted By: | JUL 201983 o70e0195 Revievad By: oseazmo0ts SRiakfeertyLaEbvoarlautaotriioens,LabIoncr.atory Se.

InternCaolrrespondence dc: V.

ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredto as PFOS, FC-95,or as a component of FC-203C and L-5440. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecapfoltuaosrsoi-u,m salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.The test sample isFC-203C and isreferredto by thetestinglaboratoryas "81-1/8".