BIODEGRADATION TEST SUBSTANCE Identity:[2-(N-Ethylperfluorooctanesulfonameitdhoy)lacrylatem;ay alsobe referredtoas Bl 228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethyl[heptadecafluorooctyl)sulfonyl]aminoe]settehry,ClAS # 423-825) Remarks: Materialisan amber solid.Sample puritynot recorded.3M lot number 13.

Corning 14azietonInc.

BIOCONCENTRATION TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may also be referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-169, or FC-143.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid;may alsobe referredtoas PFOA, FC26, or FX-1001.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y also be referredtoas PFOS, FC-95, or as a component of FC-185F. (1Octanesulfoniaccid)(CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 1-2303.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 2367.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (MANOMETRIC RESPIROMETRY -AEROBIC) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-3041. (1Octanesulfonicacid)(CAS # 2795-39-3).

HAZLETON W W IS C 0 N S IN PC S - 0 iC 6 C) x 7 54 5 M;,D!

I~ Environment Environnement Canada Canada p. 1 3593 Consultation Notice / Avis de consultation Action Plan on Perfluorocarboxylic Acids and Precursors / Plan d'action pour les acides perfluorocarboxyliques et leurs precurseurs Dear Sir or Madam, Monsieur, Madame, The purpose of this letter is to inform you Par la presente, Environnement Canada of Environment Canada's intention to hold desire vous informer de son intention de consultations on proposed actions tenir des consultations portant sur les addressing perfluorocarboxylic acids actions proposees visant les acides (PFCAs) and their precursors . perfluorocarboxyliques (APFC) et leurs precurseurs .

3M 1 K ytherine E .

4 4 p.1 ~}t~ZZ6 -37 Presented at Socie ty of Toxicology 45th Annual Meeting San Diego, CA .

~ Kathe - ine E .

EE i !

BACK TO MAIN INHIBITORY EFFECTS OF L-13492 ON ACTIVATIED SLUDGE RESPIRATION ~ jIl REPORT COMPLETED: July 26,1995 Prepared by: SusrvlA.