AU9M.70*t ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________________ Identity: Mixture containing periluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-201F. (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: The 3M production lot number was 1.

Ad slug - 0707 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).

M 9.SL6 - O73& TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A H 6 _ 07J+7 BIODEGRADATION (BOD/COD) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M 356 ~Z0 7 BIODEGRADATION (OECD 301E) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A Z 6 - O S S *!

APR-19-2001 11=47 SPI/UEIDMAN to o g 202 293 0005 T HE S O C I E T Y OF THE P L A S T I C S I N D U S T R Y , I N C . pi'R.l(702zr P.01/01 FACSIMILE TRANSMITTAL SHEET ~o CJl T~ Vi.}; TO: Karen Lannon / Pam Moseley COMPANY' EPA FAX NUMBER: 202.260.9555 PHONE NUMBER: 202260.2797 FROM: | i Allen C.

SEVERN TRENT STL STL Chicago 2417 Bond Street UniversityPark, IL60466 Tel: 708 534 52G0 Fax; 70S 534 5211 www.sW-;'nc.M/n VERN TRENT LABORATORIES ANALYTICAL REPORT J O B T O M B E R : 2.45833 P r e p a r e d F o r : ,..

C o n stru ctio n Materials Engineering ami Testing g E n vironm ental Engineering and Consulting G eotechnical Engineering m Analytical Sen dees m TRANSMITTAL TO: Weston Solutions, Inc._________ __ DATE: March 23. 2005______ P.O.

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.

3M Environmental Laboratory R126-0005 M ethod A nalysis of Potassium Perfluorooctanesulfonate or O ther Fluorochemicals in Serum Extracts U sing H PLC-Electrospray/M ass Spectrometry Method Number: ETS-8-5.1 Author: Lisa Clemen, Robert Wynne Approved By: 'L l Laboratory Manager Adoption Date: 03/01/99 Revision Date: <V / 2 C / Date Group Leader Technical Reviewer Date dh i / m Date 1.0 S c o p e a n d A p p l ic a t io n __________________________________________________________________ 1.1 Scope: This method describes the analysis of serum extracts for fluorochemical surfactants using HPLC-electrospray/mass spectrometry. 1.2 Applicable Compounds: Fluorochemical surfactants or other fluorinated compounds, or other ionizable compounds. 1.3 Matrices: Rabbit, rat, bovine, monkey, and human serum, or other fluids as designated in the validation report.

Attachments to Letter to C.

(jjyj) H A ^ L S T O f M LABORATORIES AMERICA.

HAZLETON vcaCA M C Chemical & BioMedical Sciences Division 3301 KIN SM AN BLVD .

3 \I General Offices 3M Center St.