M 2.26 - 06 7Z Centre Analytical Laboratories.

M A fl - 0794- 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-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

A R 30G -03: BIODEGRADATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1l2,2,3.3,4)4 I5,5,6,6,7,7,8,8.8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

ARllt-03G6 Attached are comments on the 3M Technical Report "Analytical Methodology and Support.

CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as 78.03, PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

AR226-1976 Z - i B&?.

FOR DU POMT USE ONLY Copies to AR226-2898 E.

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`a IInnternaattiioonaall RReessearch aannd DDeevveellopmmeenntt CCoorrppoorraattiioon senso: SPONSOR: TTEESSTT MMAATTEERRIIAALL:: SUBJECT: -- 3M Company 5 TL FFlluuoorraad FFlluuoorrochemicaall FFCC--11443 Acute Oral Toxicity (LD50) Study in Rats.

/H U 7 t03M3> BIOACCUMULATION TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid of uncharacterized purity.

ft R W 6 - O M H 5 SrtduAfoud BIO-TEST laJymJjwM,, She. 1810 F R O N T A G E R O A D N O R TH B R O O K .

0710 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-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

AfLza.G _ 0274 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-780B. (1Octanesulfonic acid) (CAS # 2795-39-3).

M S.a.6 - 0& 7.

A k SUL6 - 0 7 9 5 SUMMARY FOR WORK PERFORMED FOR THE GERMAN GOVERNMENT AGENCY FOR MILITARY TECHNOLOGY AND PROCUREMENT ON FIRE EXTINGUISHING FOAM COMPOUNDS FROM MULTIPLE COMPANIES TEST SUBSTANCE________________________________________________ Identity: A mixture containing Perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206. (1 -Octanesulfonic acid) (CAS # 2795-39-3).