BACK TO MAIN BIOSORPTION PARTITION COEFFICIENT TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (Importaiit - I f roport i s printed on bod, sides o f paper, send tw copies to rcc

AR226 _ 0903 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,orooroactsanaescuolmfponoanteen,twohficFhC-m3a0y41a.ls(o1b-e Octanesulfonic acid) (CAS # 2795-39-3).

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FOR DU PONT USE ONLY AR226-2939 Du Pont HLR 360-89 Study T^tia Skin Irritation Test In Rabbits of Author John H.

InternaClorrespondence -tt To.D.

MICROBICS MICROTOXO TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-602. (1Octanesulfoniaccid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FX-3103. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR R26 - 0726 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (EASTERN OYSTER) IEsTSuBSTANCE 00000000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. aOctanesulfonic acid) (CAS # 2795-39-3).

AR226-2386 CONFIDENTIAL Polymer Products Department Research and DttvelopiaenC Division Experimental Station y?

FOR DUPONT USE ONLY AR226-2791 Approximate Lethal Concentration of Haskell Laboratory Report No. 276-85 MR No Haskeli E.

JEFFERSON AIEDICAL COLLEGE of TliO,AIAS JEFFERSON UNIVERSITY Daniel Baugh Instituteof Anatomy Department of Anatomy Office of the Directorand Chairman Philadelphia, 19107 (215) 928-7820 November 12, 1982 Dr.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may also be referretdo as PFOS, FC-95, or as a component ofFC-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 501.The testsample is FC-203C.