MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE______________________ _____________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95 or as part of the mixed product FM-3820 (see Remarks). (1-Octanesulfonic acid, 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 test sample is FM-3820, a mixture of the test substance in diethylene glycol butyl ether and water (approximately 24-28% test substance in diethylene glycol butyl ether and water).

ARa k -.0678 MULTI-CITY STUDY FIELD REPORT FOR CLEVELAND TENNESSEE AND DECATUR ALABAMA - BATTELLE DUXBURY ACTIVITIES for Project Number N100672-01 submitted to July 9,1999 Prepared by Scott C.

6 -- D&S5 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-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

t /> DuPont EMSE Report No. 13-03 Study Title Ready Biodegradation of 8-2 Telomer B Alcohol (Modified OECD 301D Closed Bottle Test) Test Guideline Organization for Economic and Cooperative Development (OECD) Guideline for Testing of Chemicals; Section 3: Ready Biodegradability: 30l D Closed Bottle Test (1992).

RECEIVED OPPTHCIC 2803 OEC 17 AH Ih OU 4* * 426- /547 Du P o n t H u m a n R e s o u r c e s Wilmington, Delaware 19898 cc: G .A.

Corning Hazleton Inc.

Roger J.

Safety & H ealth Research Laboratories SPONSOR APME Avenue E. van Niewenhuyse, 4 BOX 3 B-l 160 Brussels Belgium AR226-1803 TEST ITEM AMMONIUM PERFLUOROOCTANOATE (APFO) STUDY TITLE EARLY-LIFE STAGE TOXICITY TEST IN RAINBOW TROUT UNDER FLOW-THROUGH CONDITIONS DA TA REQUIREMENT OECD Guideline No. 210, 17th July 1992 STUDY DIRECTOR Jacques L'Haridon EXPERIMENTAL COMPLETION DATE 1 August 2003 DATE OF ISSUE :x:U ,,s C k TEST FACILITY CIT BP 563 - 27005 Evreux - France LABORA TOR Y STUD Y NUMBER 22659 ECP Page 1 of 112 IFM Recherche S.N .C au Capitai de 46.092 7S O U 4 6 6 H.C.S. treux V T :F R I9 78$ 060 465 Agrment Crdit Impt Recherche B.P.

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Haskell Laboratory for Toxicology and Industrial Medicine AR226-3373 O ctober 30,1998 To: From : AG H askell Laboratory AG Haskell Laboratory CARCINOGENIC AND DEVELOPMENTAL TOXICITY HAZARD DETERMINATIONS AMMONIUM PERFLUOROOCTANOATE (Octanoic Acid, Pentadecafluoro-, Ammonium Salt) CAS REGISTRY NO. 3825-26-1 Ammonium perfluorooctanoate (C-8) has been reviewed according to D uPont Corporate Standard S18T (H azard Determ ination Process) for assessm ent and control o f carcinogenic and developm ental toxicity hazards.

MATERIAL SAFETY DATA SHEET Sopyright, 19~7, Minneso_a Mining and Manufacturing Company.

CL) 3 ARE-0366 `AAtrttahcuhreMdeanrdeelc,omPrmoejnetcst 9o9n7t0h6e1326M43TeFcahtneiocaflFlRueoproorcthe"Amniaclayltsi,caRleMpeotrhtoNdoo.lo8,gyJana.nd17S,up1p9o7r9t". made by Professor Stephen A.

JE Come Cpt noneBtnvs GEE ARL26-0476 3M 8A.mmPolnasimuamChPoelrefclyusotrookoicntiannoaantde PHreopdautcitciEonnzWyomrekse,rCsh.olesterol and Lipoproteins in Toxicology research suggested, to a limited extent, that th incidence of pancreas acinar cell adenomas in ats fed perfluorooctanoic acid may be the result ofa mild but sustained increase in cholecystokinin (CCK) as a consequence ofhepatic cholestasis.

AR226-052| MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: `PaesrPflFuOorAooacmtamnooniciuacmids,alat,mAmmonmiounmiusamlt;pemrfalyuoarlosooctbaencraetfee,rrPedFOto, FC-116, FC-126, FC-169, or FC-143.