3M Specialty Materials 3M Center St.

COVAH^ THE DEVELOPMENT SERVICES COMPANY Sponsor: 3M St.

Larry K.

Attachments to Letter to C.

/873 DuPont Fluoroproducts Chestnut Run Plaza P. 0.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 Ro b e r t a .

ENV/JM/MONO(2005)1 Unclassified Unclassified AR226-1937 Organisation de Coopration et de Dveloppement Economiques Organisation for Economic Co-operation and Development ENV/JM/MONO(2005)1 13-Jan-2005 E nglish - Or.

AR226-2195 S David M Rurak 08/28/2001 07:59 AM To: Ta-W ei Fu/SE/DuPont@DuPont co: Stephen J Gissy/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Raymond C Butterworth/CL/DuPont@DuPont, John R Flynn/AE/DuPont@DuPont, Am y L Brown/AE/DuPont@DuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Roger J 2ipfel/AE/DuPont@DuPont, Alvin H Gibson_Jr/CL/DuPont@DuPont, Debbie J M ulrooney/AE/DuPont@ DuPont DSubject: Re: ACTION ITEMS FROM APFO DISPERSION MODELLING T a-W ei, You have my support to proceed.

AR226-2214 Debbie J Mulrooney 11/15/2001 11:13 AM , To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Steven L Grise/AE/DuPont@DuPont Subject: Consent Order Requirements - Particle Size Distribution Rob, Here is a spreadsheet with the particle size distribution, particle density and particulate scavenging coefficients based on the defaults in the ISC Users guide, i have left a blank slot for the vapor scavenging coefficients for when Steve and company finish calculating them.

AR226-2296 David M Rurak 02/06/2003 08:19 AM To: Patricia D Buoncuore/AE/DuPont@ DuPont cc: Ann Bradley, Robbin Banerjee/AE/DuPont@ DuPont, Andrea V Malinowski/AE/DuPont@ DuPont, Paul J Bossert/AE/DuPont@ DuPont, Catherine A Barton/AE/DuPont@ DuPont, Gerald L Kennedy/AE/DuPont@DuPont, J ill H Hogan/AE/DuPontVincent Atriano/SSD/DUP@DUP@DUPONT_MHUB, Paul J Bossert/AE/DuPont@ DuPont, John R Bowman/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@ DuPont, M.

AR226-2558 Andrew S Hartten 05/31/2001 03:29 PM To: wentworth.william@ epamall.epa.gov cc: Robert L Ritchey/CL/DuPont@ DuPont, Isidores J Zanikos/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont, Alison A Crane/AE/DuPont@DuPont Subject: Information on W ashington W orks Facility B ill, The following provides answers to your questions in the May 23 memo you sent me, which Is attached.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b er t A.

United Nations Environment Programme U N EP/pops/poprc.1/crp.i 7 November 2005 English only Persistent Organic Pollutants Review Committee First meeting Geneva, 7-11 November 2005 Agenda item 5 (e) ' Consideration of chemicals proposed for inclusion in Annexes A, Band C of the Convention: perfluorooctane sulfonate Addendum to the dossier on perfluorooctane sulfonate Submission by Sweden K0540874 081105 For reasons of economy, this document is printed in a limited number.

P-1 TSCADocument Processing Center Attn: Section 8(eVFYI yf fL 7 - 7 i- 3 7 3 S Attachment 2 p- 2 July 28,2006 Page 5 of 5 Axys Analytical Services Laboratory - Form 1A and Form 2 (2 pages) P-2 P-3 s r.......... 7 ' "r *'*.".* *'"' ______;______

AR22 6-37S7 P-1 PERFLUORINATED ORGANICS ANALYSIS AQUEOUS SAMPLES A XYS METHOD: M LA -040 i i | i Contract: REDACTED Data Package Identification: DPWG20231 Analysis WG20112 Prepared for: REDACTED Prepared by: AXYS Analytical Services Ltd.