Interoffice Correspondence cc : H.E.

AR226-1977 Zt*7 REV.

I CEN TRAAL 1N ST1T U U T V O O R V O ED IN G SO N D ER Z O EK U trech tsew eg 48 Z e ist CENTRAL INSTITUTE FOR NUTRITION AND FOOD RESEARCH AR226-3331 REPORT NO .

AK *26 - 0177 BIODEGRADATION (BOD/COD) TEST SUBSTANCE_________________________________________ __ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

fiKSLS.6 - O Z 2 9 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

Interoffice Correspondence ubj ec t Fluorochemicals in Blood August 9, 1977 IS H.

ARns-0lqy PRE-1976AETNTVAICRHOMNEMNETNTTAOLLSETTUTDEIRESTOONC.PAEUREFRLUDOARTOEODCMTAAYNE4,S2U00L0F:ONATES /- 2-- 3= Data from Fathead Minnow Study on FC-93 (25% NH4 salt of PFOSinIPA and water), 3M pErnovviirdoendmetnotEaPlAL)aboratory, Aug. 2, 1974.

BIODEGRADATION (BOD/COD/TOC) TEST SUBSTANCE Identity: PreefrefrlrueodrotoocatsanPeFsuOlSfAonAy,laFmCi-do1(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of F[(Ch-e1pt2a7deocrafFiCu-o1r2o9o.ctyl()Gsluylcfionney,llN--,etphoytla-sN-sium salt, CAS # 2091517) Raemmiaxtrukrse:of 8T6h%etteessttssuabmsptlaencies FaCn-d12184.

ARR26 -- 0736 BIODEGRADATION (BOD/COD) TEST SUBSTANCE \dentity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9l5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y3Aa.lso(1b-e Octanesufonic acid) (CAS # 2795-39-3).

WARF INSITI'U"IEI,NC.

WARF INSITI-U-I-EI,NC.

AR23-03W SOIL ADSORPTION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

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ee C3C5oo1rrppMooerrdaatitealTPorDoiedcpuncaotrgmRyeesnptonsibility SHS 1St. 7Pa3ul, 1M1N055133-3220 ARRE-0970 2 aM CSeLrUuEm 1F1l(u1o9r8o9c)heempiicdaelmitorleongdiscoifnvoeustt-iogfa-ticoonusn.ty residents in CLUE I (1974) and "This project is joint collaboration between 3M and Johns Hopkins University School of Public Health researchers.

AR 226 _ 0763 TOXICITY TO AQUATIC PLANTS IESTsuBsTANCE 0000 Identity: MreifxetrurreedctoonatasiPniFnOgSp,erFfCl-u9o5ro,oocrtaansesaulcfoomnaptoen,ewnhtiocfhFmCa-y20a3lsCoF-bXe or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).