GLP10-01-02.

Precise Research.

310 Bonk Sfmei Decatur, Alabama 35601 256.353.291D tsla 256.353.3944 lax w w w .TTU NC.com geotechnical mm a n a l y t i c a l * m a t e r i a l s * e n v i r o n m e n t a l ........................................ ....... -- Decatur.

3M Environmental Laboratory AR116- ooz^ k) M ethod Analysis of Potassium Perfluorooctanesulfonate or O ther Fluorochemical Compounds in Urine E xtracts U sing H PL C -E lectrospray/M ass Spectrometry/M ass Spectrom etry Method Number: ETS-8-97.0 Adoption Date: Author: Lisa Clemen, Robert Wynne, Glenn Langenburg Revision Date: Approved By: Laboratory Manager Group Leader ------ _ 7 / u /y 5 Date f/Z-37# Date - A C iu m -____________________ ______________________ Technical Reviewer Date 1.0 Scope and Application_________________________________________________ 1.1 Scope: This method describes the analysis of urine extracts for fluorochemicals using HPLC-electrospray/mass spectrometry. 1.2 Applicable Compounds: Fluorochemicals or other ionizable compounds. 1.3 Matrices: Human, rat, and monkey urine, or other fluids as designated in the validation report.

CLIENT PRIVATE AF26-OI6I fk -- PROTOCOL TITLE: Range finding Cytotoxicity Assay of T-6292, T-6293, T-6294, T-6295 in R at Hepatocytes SRI Study No.

CLIENT PRIVATE AR3X-0ia PROTOCOL TITLE: Metabolism of T-6292, T-6293, T-6294, and T-6295 by Rat and Human Hepatocytes SRI Study No.

T-6295.23; ST-46 Protocol.

ATTACHMENT TO LETTER TO C.

H- NOTOX Safety & Environmental Research B.V.

3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Protocol for Study No.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Physical/Chem ical Properties S o lu b ility o f P e rflu o ro -1 - o c ta n e s u lfo n y l F lu o rid e (P O S F ) in W a te r Environm ental Fate andTransport 3M Environm ental Lab 06/12/01 Robust sum m ary, final report Indirect Photolysis of G aseous Perfluorooctane Sulfonyl Fluoride (PO SF) by Fourier Transform Infrared (FTIR) Spectroscopy 3M Environm ental Lab 06/12/01 Robust sum m ary, final report

BACK TO MAIN BIOSORPTION PARTITION COEFFICIENT TEST SUBSTANCE_____________ Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

BACK TO MAIN 3M Environmental Laboratory Report No.

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.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (Freshwater Diatom, Navicula pelliculosa) 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: Sample obtained from 3M production lot number 217.