Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-potassium salt.

MIN 312/014272 PERFLUOROOCTANESULFONYL FLUORIDE (POSF; T-7661.1) PRELIMINARY TOXICITY STUDY BY INHALATION ADMINISTRATION TO CD RATS FOR 1 WEEK Sponsor 3M Center, 3M Corporate Toxicology, Building 220-2E-02, St Paul, MN 55133-3220, USA.

TestResults AR226-2131 file:///Cl/WINDOWS/TBMP/Mro6mat8C...7-21-81 thru 8-27.-01 80pages.htm ^ Test Results Sampio Date Range Concanttatlon Range Action Level Industrial Hygiene 7/21/81 8/37/01 100% Sample Dt sample* Duration Type Employee Name Pers BTO: LOCt 08 TEFLON 002 A/S- MONOMERS SOUTH TANK FARM - GENERAL 9/22/82 38001 331 Z B/22/82 39002 331 Z 9/22/62 39003 327 2 9/22/82 39004 335 Z 9/22/82 39005 328 2 9/22/82 39006 336 Z Chemical Cone Unit Percent C-8/FC-143 C-8/FC-143 C-a/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 0.17 MPB 0.09 MPB <0.03 MPB 0.09 MPB <0.03 MPB 0.04 MPB 30.4% 16.1% 5.4% 16.1% 5.4% 7.1% BTO; 08 TEFLON LOC: 042 AC1DNEUT PIT-GENERAL 5/4/88 40895 1440 Z C-8/FC-143 <0.03 MPB 5.4% BTO: 08 TEFLON LOC; 045 B-162 ROOF 2nd Level- General &H&V Units 8/20/91 814 480 A 11/4/93 2310 450 A 7/9/97 7137 362 A 7/9/97 7138 362 A 7/21/97 7139 370 A C-B/FC-143 0.341 MPB 60,9% C-a/FC-143 <03 MPB 5.4% C-8/FC-143 0.1 MPB 0 17.9% ^ C-8/FC-143 0.13 MPB g 23.2% C-8/FC-143 0.15 MPB 28.8% 1 of 157 8/28/2001 4:46 PM EID140226 TesfResults 7/21/97 7219 371 A 7/21/97 7225 368 A 7/22/97 7140 !

AR226-2293 ,/"'"' Pebble J Mulrooney 11/04/2002 12:16 PM To: cc: Subject Catherine A Barton/ABDuPont DuPont FYI (C8 Modeling) - Penntt Detennlnation - Discussion wllh DAQ -- Forwarded by Debbie J Mulrooney/AE/DuPont on 11/04/200Z 12:15 PM - k Robert L HItchey r 11/04/2002 10:30 AM To: cc: Subject: Kart G Kronberg/AE/DuPont DuPont, Michael T Evans/AE/DuPont@DuPont, John E Crum/SE/DuPontDuPon( David F Altman/SE/DuPont @ DuPont, Andrea V Malinowskf/AE/DuPont DuPont, M.

/y Charles J Zarzecki 02/24/2003 02:43 PM To: cc: Subject: Catherine A Barton/AE/DuPont Slides Cathie, Here they are.

AR226-2310 y Charles J Zarzeckl 03/13/2003 11:02 AM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Our stance on actual sampling Q Cathie, Actual sampling wilt show lower numbers.

AR226-2326 ^ JohnWMilroyJH 04/04/2003 11:09 AM To: cc: Subject Catherine A Barton/AE/DuPont@DuPont Stephen R Hastings/DDE/DuPont@DuPont, Ann K IVIasse/HO/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont Re: Data for air dispersion modeling Q Stack height is 25 feet.

.

AR226-2554 Robert F To: cc: Subject: PInohot 04/24/2000QgjJPM. _ __,,.______,,._-_ Gary w Kennedy/AE/DuPontQDuPont, Susan S Miletl/DuPont@DuPort, Michael E McCord/AE/DuPontQDuPont, Robert C Buek/DuPontQDuPont, Oiane R Shomper/Ae/DuPont@DuPont.

Selected questions and answers about cookware and roastware with a non-stick coating FAQ of 1 November 2005 Cookware with a non-stick coating: no sticking, easy to clean, low fat preparation.

AR226-2814 TRADE SECRET Study Title H-24750: Static, Acute, 48-Hour Toxicity Screening Test with Daphnia magna AUTHORS: Barbra D.

Kidney International, Vol. 67 (2005), pp. 2346-2353 The increased incidence of pure red cell aplasia with an Eprex formulation in uncoated rubber stopper syringes KATIA BOVEN, SCOTT STRYKER, JOHN KNIGHT, ADRIAN THOMAS, MARC VAN REGENMORTEL, DAVID M.

. . . , 301 Spestaley Matern ff SKgerFeronneA20S0s314-401000\0L-072% ARRR6 _35<57 mE VIA UPS Document Control Office (DCO) Office of Pollution Prevention and Toxics (OPPT) US Environmental Protection Agency [1E2P0A1 ECaosnts,tiRtoutoimon6A4v2e8nue, MW Washington DC 20460 Attention: Docket No.

EU PFAS restriction proposal: Umicore's position Umicore supports a science-based approach to environmental concerns and risk mitigation/management.

TSCA Document Processing Center Attn : Section 8(e)/FYI p. 1 p. 2 July 28, 2006 Page 5 of 5 Attachment 2 Axys Analytical Services Laboratory - Form IA and Form 2 (2 pages) p. 2 p .3 _ . . . .~ ._ ._ . . . . . -_ .. .. .__ ..,- . ._ ..,._ . ,.- .. . . . . . _ . .. ., . _ . . .. _.. _ _. . . _. . .. . . -- - -- - . . ._ . . . . . _ . . . .