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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.

3M ENVIRONMENTAL LABORATORY REPORT NO.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239580 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: 09/02/2005 Signature Name: Richard C.

Technology an d T rad itio n Construction M aterials Engineering arm Testing Enrironmcnlsi Engineering and Consulting m Gsotachmcai Engineering m Aaaivticgi Services M TRANSMITTAL TO: Weston Solutions, Inc.___________ D A TE: April 20, 2005_______ 1625 Pumphrev Ave_____________ TT L JO B N U M B E R : 020504-041 Auburn.

B A C K TO MAIN ACUTE CONTACT TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE____________________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks field: The 3M production lot number was 217.

BACK TO MAIN STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE_______________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC-116, FC-126, FC-169, or FC-143.

Final Report Mortality Study of Workers Employed at the 3M Cottage Grove Facility Submitted by: Bruce H.

AR 2.2.6 0 6 0 6 RECEIVED n n n t UTtr <SJi> DuPont Haskell Laboratory for Toxicology and Industrial Medicine July 6,2000 Mr.

A/LJ.A6 - 032r I'mnivvcn Ink <&Chemicals, Inc.

ARAttachments to Letter to C.

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39 ff UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 1133 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES 21 October 2002 MEMORANDUM: SUBJECT: Focussed statistical analyses of APFO data on >and preweaning loss g?

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