ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonicacid)(CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 1-2303.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y also be referredtoas PFOS, FC-95, or as a component of FC-206CF or FC-206CF-X. (1-Octanesulfoniacid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredto as PFOS, FC-95, or as a component of FC-206CF or FC-206CF-X. (1-Octanesulfoniacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfoniaccid)(CAS # 2795-39-3).

3M General Offices 3M Center St.Paul,N4N 55144-1000 651 733 1110 August 31, 2000 VIA OVERNIGHT DELIVERY Dr.

31t ARARG - 3% "9 000430 ARBRE - 3449 row, . : Renges EX C-Femeoyees C-8 Decay plot 2 .

32) Differential Scanning Calorimetry (DSC), Melting point (273 C) Filename: Data Collected: Operalor ID: Sample ID: Sample Weight: Comment: C:\PE\Pyris\Da. ..\111269-48KOT10001DSCR.dsd 11/13/01 1:55:00 PM TAK GID #26596 SB "LOT 10001(NB#I 11269-48)" 7.894 mg 75 70 65 I 60 I 55 - E a 3 3 50 C W z - lL 5 45 I 40 Peak = 24.337 " C Area = 259.{59 rnJ - t Delta H = 32.906 Jlg 717 "C I Area = 2421134 rnJ Delta H = 30.673 Jlg 35 ~______.

ROBERT A.

Ponnaevylle Warder

"McCrea, Deborah" <mccrea@taftlaw .com> 10/30/2009 12 :15 PM To cc bcc Subject NCICOPPT@EPA P "Bilott, Robert A."

Jean 8.

AL2S26S:394 Taft/ J aT July 7, 2010 SnEPA Do Cortes Docket Center,MOMC2208L2T2Ter EPA West, Room 3334 1200 Pennsylvania Avenue, NW Washington, D.C. 20460-0001 Re: OSuRbDm-i2s0s0i3o-n0t0o1I6RIS and AR-226 Database For PFOA/PFOS: TT EPA-HQ- To IRIS Database for PFOA/PFOS: sUuSlEfoPnAa'Itnse r(eef`sfPopFroOtnsSs"te)o tcwooitnthshiiendNetorhtepiecIrneftilesugosrruaoteoedcdtbRayinosUikScIEanPcfioAdrmo(an"tPiFFoenObASr"uy)asratynedm23p(,`eI2rRf0Il0Su"6)o,r,reo7go1actrFadenide.ngReg. 9333-9336 (Feb. 23, 2006), we are submitting the following additional information to USEPA for inclusion in that review, and for inclusion in the AR-226 database: 1 New Castle, Delaware, Municipal Services Commission Customer Flyer on PFOA/PFOS Test Results (2010).

AR226-9 10% TTHEEOP0ES0FU0FR5EECATNTSDo OG1F4RCOC-W7OT8NH.T0IA2NNUDOOUNSSUHRAAVQTIUCVEHAOALUBSIOLFITY .

. 7-394" 28 Day Percutaneous Absorption Study | -.

3M Environmental Laboratory Final Report- Analytical Study Single-Dose Intravenous Pharmacokinetic Study of T-6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-134 TSetsutdySuNbusmtbanecre:: FACM-D1T2-011(T1-669045.2)1 Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.