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Construction Materials Engineering ami Testing g Environmental Engineering and Consulting Geotechnical Engineering m Analytical Sendees m T R A N S M IT T A L TO: Weston Solutions, Inc._________ __ DATE: March 23. 2005______ P.O.

AR A 2 .6 _ O ilf-n ACUTE TO XICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

% J U(3i T l* . 7 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 FYT-0301- /37* March 20, 2001 FYI-00-001378 FYI-00 378 / !

CL dof 3M 5M Specialty Materials 3S1M7PC3e,nt1eMr0N s-1000 AR age -- 1199 January3,2003 FYT-0103_-01%78 VIA FEDERAL EXPRESS Document Control Office (DCO) UOfSfiEcneovfiProonlmleunttiaoln PPrroetveecnttiioonnAagnednTcoyxics (OPT) EPA East, Room 6428 W1a2s0h1iCnogntsotni,tuDtiCon A2v0e4n6u0e, NW * nom = g TE OaoR Attention: Docket No.

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PCoAsSsNuummePreat7uosrss3o0c3anesutos AR 226-0560 abort RSuMsEsndNouFrmmeeerenLatALNaTCosooonnosg --- ANALYTICAL LABORATORY REPORT oNTHE Determination of the Presence andConcentration of Potassium Perfluorooctanesulfonate (CAS Number: 2759-39-3) in the Serum and Liver of Sprague-Dawley Rats Exposed to PFOS via Gavage Laboratory Report No.

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BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) Studies of Perfluorooctane Sulfonate (PFOS) I I .

BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) Studies of PerfluorooctaneSulfonate (PFOS) IV.

BACK BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, N-EtFOSAA, FC-128 (acid form) or FC-129 acid.

Solvay Solexis S.p.A SPINETTA MARENGO (AL) - ITALY Method of Analysis PF 30/82 Determination of the Content of using Potentiometric Titration Product: Category: Edition: 2 Written by: Approved by: Date: 20 September 2006 Verified by: Pages: 5 Tables: 1 Figures: 1 1.

PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A 96-HOUR STATIC-RENEWAL ACUTE TOXICITY TEST WITH THE SHEEPSHEAD MINNOW (C'n'nodon vuriegutus) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.