BIODEGRADATION TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2.3,3,4.4,6,5,6,6.7.7,8,8,9.9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

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

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

OIFN V3ITRCOHMMPIACNYR'OSBIOCLOOMGBIOCUANLD TM-U3T6A5G1ENICITY ASSAYS mite' .

AR 226 _ 0739 BIODEGRADATION (OECD 301E) TEST SUBSTANCE _ pr Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twohficFhC-m2a0y3Aa.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).

." : C: RWOR.TL0N..3. bbdTaeaoyerrlmbgoayertrt T.

AR22-162] CC: J.

Report No.

Internal Correspondence * I BACK TO MAIN Conmclrcial Chemicals Analytf cal Report 6245 TO: M.

ATTi ACHMENT TO LETTBERoOFa29o08 Alee2.6-1~9/. 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE 1.

AR226-2940 FOR DU PONT USE ONLY Du Pont HLR 391-89 Study Title Approximate Lethal Dose (ALD) of ^n Rats Author John M.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE .IdentityP:erfluorooctanesulfonylamido(ethyl)acemtaaytea;lsobe referredtoas PFOSAA, FC-1 28 or as the major component of FC-127, FC-1 29, FC-109, or FC-1 09-X.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-203CE. (1Octanesulfonicadid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-203S. (1Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOXID TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFX-3103. (1Octanesulfoniaccid)(CAS # 2795-39-3).