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January 23, 2006 p ' f cP~7 E2- 0 E2 RECEIVED 0 P T CER OS JAN 2t AN i j , p j gm s.

AR Consultation Meeting on PFCA Action Plan February 2006 1 r 00033 Background Assessment reports completed mid 2004 New related science is being published at a high rate EC & HC using two processes to achieve a current view of the science External review of assessment reports Review of current literature 2 000034 p to ffllP 14>| !

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244404 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 02/28/2006 Signature Name: Richard C.

AR226-1519 30 September 2003 To: Mary F.

3M GLP10-01-02; Interim Report 09 Analysis of PFBS, PFHS, and PFOS In Groundwater Quarterly Groundwater Sampling - Sept 2010 GLP10-01-02: Interim Report 09 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.

GLP10-01-02; Interim Report 16 Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Avenue A Investigation Area; Decatur, AL - Jan 2011 GLP10-01-02: Interim Report 16 - Analysis o f PFBS.

Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 St.

A R X & 'O o i CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Company / 4/27/2000 l Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

ATTACHMENT TO LETTER TO C.

BACK TO MAIN ACUTE CONTACT TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 field: The 3M production lot number was 217.

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A r 8.6 - l 6 l Ce: R.

AR226-1742 PFOS: A PILOT REPRODUCTION STUDY WITH THE MALLARD FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

OPPI Ht H i t 17 PI 18 Am onio pyi - ok. o \W i DuPont Legal Andrea V.