BIODEGRADATION (BOD) TEST SUBSTANCE Identity:Perfluorooctanoiaccid;may alsobe referredtoas PFOA, FC- 26, or FX-1001.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-201 F-X. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (GRASS SHRIMP) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctnaesulfonate which may also be referredtoas PFOS, FC-95, oras a component ofFC-203FC. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:MixturecontainingPerfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-206CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (BLUEGILL) 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 saltC,AS # 2795-39-3) Remarks: The 3M productionlotnurt@ibwears notnoted.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FX-3103. (1Octanesulfoniaccid)(CAS # 2795-39-3).

3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY ProtocolforStudyNo.

T3eMaCrosrporyosrautevToSxerivics ology and 8S1t7aC5l3e, e17B7eFlaxin40200603 SEHR 120500373 ARARG_ 3872 RECEIVED Certified Mail OSDEC-8 AM 6:05 November 29, 2005 Document Processing Center EPA East - Room 6428 Attn: Section 8(e) Officeof Pollution Prevention and Toxics USEPA 1200 Pennsylvania Avenue NW.

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En-Jo Battelle Field Sampling Procedures Review Columbus GeorgiaCity Survey regarding Empirical Human Exposure Assessment Multi-City Study To : Susan Beach - Project Lead 3M, ET & SS POBox 33331 Building 2-3E-09 St.

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