BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y also be referredtoas PFOS, FC-95, or as a component of FC-206CF or FC-206CF-X. (1-Octanesulfoniacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-3052. (1Octanesulfoniaccid)(CAS # 2795-39-3).

H * m H Environment Environnement | | Canada Canada p. 1 MAA6. 35^3 Consultation Notice / Avis de consultation Action Plan on Perfluorocarboxylic Acids and Precursors/ Plan d'action pour les acides perfluorocarboxyliques et leurs prcurseurs Dear Sir or Madam, Monsieur, Madame, The purpose of this letter is to inform you of Environment Canada's intention to hold consultations on proposed actions addressing perfluorocarboxylic acids (PFCAs) and their precursors.

AR S S 6 - 07&9 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) 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).

A ft #.9.6 _ > 73/ ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) 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).

AR22>-D0% PROTOCOL DETERMINATION OF THE MELTING POINT/MELTING RANGE OF PFOS OECD Guideline for Testing o f Chemicals, 103 Melting Poinl/Melting Range 3M Lab Request No.

ACUTE TOXICITY TO THE SALTWATER MYSID TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic add, 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 test substance is a white powder.

BACK TO MAIN MULTI-CITY STUDY FIELD REPORT FOR CLEVELAND TENNESSEE AND DECATUR ALABAMA - BATTELLE DUXBURY ACTIVITIES for Project Number N100672-01 submitted to July 9,1999 Prepared by Scott C.

4R2Z6'009<\ PFOS: .

A R m -0308' S t ^* (2L 1 6 2) (tt :5 -L 6 2 2) T - 632.3 T - A - 13 0-1 C K r c i^ d s o m g eW rrA ion "le ?

* 3M ftKIK-OSItO Dr.

PFOS: A DIETARY LC50 STUDY WITH THE NORTHERN BOBWHITE WILDLIFE INTERNATIONAL LTD.

/IR -0 3 S 5 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-120, or 3M Sample J2905-1. (1-Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and butyl cellosolve (approximately 25% test substance, 37.5% butyl cellosolve and 37.5% water).

Roger J.

AR226-2023 MEMO RA N D U M Date: From: Dept: Tel No: 12-Dec-1886 02:30pm EPT ANTHONY J.