AR226-2783 FOR DU FONT USE ONLY Copies to: Haskell E.

FOR DU FONT USE ONLY AR226-2887 Copies Co E.

Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEMS.A. 12-Mar-96 96/SAE6/0409/HT AR226-3040 Biodegradability (OECD301B) Author(s): H.

AR226_ 3277 459 ~ Effects on the Development of Caenorhabditiselegans in a Water-Sediment System pn ----ty Sa--or--es_at hoe cri nmin Ontdbine .

AR226~ 3305 487 DuPont Haskell Laboratory for Health ~-- and Environmental Sciences AR246 -- 3305 ofc FROM: J.C.

AR226-3357 IIP' ^tioiner^^ Fluorosurfcctan+s ^.Elill^ ^ ^ WW^., -lii|^^ BegclanSzos-teft.

AR226-3361 Measured vs.

AR226-2446 \ ^ j ^' f.T"1",^' Is" " i ?

Data from Fathea saltofPFOS inIP ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:PerfluorooctanesulfonatAem,monium salt;may alsobe referred to as PFOS NH4+ saltor FC-93.

ARRRE 3436 ~~ 40 ~ 000380 | "LL \ ARBRE -- 3436 CoB 800 LEVELS TH FENNES TRANSFERRED ou oF TEFLON | AGE a32 21 33 u 2 27 wv u 2 Do a 2. zn = = = LCE-A8VILNEGVETLEFWLHOENN 0.140 0.152 0.570 1.300 0.110 0.110 0.078 2.400 5.100 0.08 0.210 0.190 0.05 ous 0.2% 0.0 0.019 2.50 LCE-A8VILNEGVETLEFALFOTNER 0.086 0.120 0.390 0.980 0.08 0.00 0.065 2.0m sa00 0.083 0.200 0.110 0.01 oan 0.210 0.09 0.01 2.6m BNEUTMWBEEERNOSFWDPALYESS 143 12 140 126 128 ws 148 1s 126 us 130 wr M 127 127 16 TM ml -8% BCLHOAONDGELEIVNELS 1.5 -38.6 -3L.6 -24.6 "21s a -16.7 "16 137 12a Et "105 as "es Yt 0.0 0.0 ao WERE = 129 dys 5. 70 * The dommuard trend 1s statistically significant at 0.05 level using the paired-t toot, a127n1/0

loa) OECD 414-OPPTS 870.3700 Pilot Study 418-023A FINAL PILOT REPORT SANITI ZED DEC 0 9 2003 ORAL (GAVAGE) DOSAGE-RANGE DEVELOPMENTAL TOXICITY STUDY OF POTASSIUM PERFLUOROBUTANE SULFONATE (PFBS) 6lRATS SPONSOR'S STUDY NUMBER: T-7485.1 I Author Raymond G.

BODICOD resultstorFC-94-X (U sWt ofPFOS) I BIODEGRADATION TEST SUBSTANCE Identity:PerfluorooctanesulfonatLei,thiumsalt;may alsobe referredto as PFOS Lisalt,FC-94, or FC-94-X. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflliutohriou-ms,alt, CAS # 29457-72-5) Remarks: The testsample isa mixtureofthe testsubstance inwater (approximately24.5% testsubstance and 75.5% water).No calculations were made to adjustforthe actualconcentrationofthe testsubstance in the testsample.

i---- I PFOS@ A 96-Hour StaticAcute ToxicityTest with the I SaliwateTMysid (Mys@dopsisbahia) i f@@j - II PFOS: A 96-HOUR STATIC ACUTE T03UCITY TEST WITH THE SALTWATER MYSID Wysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL LTD.