AR506-O3SI MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

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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).

AR - 0757 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR ^ 2 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic add) (CAS # 2795-39-3).

AH SUL 6 - ACUTE TO XIC ITY TO FISH (FATHEAD M INNOW ) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC -3031, (1Octanesulfonic add) (CAS # 2795-39-3).

S m - MOO- 3 73 R n C 0 5 71 BIOACCUMULATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1t2,2,3,3,4,4,5,5,6)6,7,7I8 l8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

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AR& -0 H % BIOCONCENTRATION TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

FINAL REPORT /H&36-0553 received OPPT CBIC 2000FEB 22 AM||; 3* PROTOCOL 418-014 ORAL (GAVAGE) CROSS-FOSTERING STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: T-6295.13 FINAL REPORT DATE: 23 JULY 1999 # 002S9- PROTOCOL 418-014 ORAL (GAVAGE) CROSS-FOSTERING STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: T-6295.13 TABLE OF CONTENTS SUBJECT I.

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/(o/2-c> e ^ `l 4-ro**-' Ac Attn: Bill Weppner and Dan Hakes, 3M fiHAS.6 _ 0 6 5 3 Dear Bill and Dan, I found today's phone call useful in helping to sharpen and clarify some of our priority needs for submission of test data in 3M's possession or control on the perfluorochemicals as discussed in my email message of April 7, 2000.

Final Draft Guidance Document Telomer Research Program (TRP) AR226-1888 Guidance Document Best Analytical Practices for TRP Studies Author Marilyn Stadalius Critical Path Services 300 Foulk Road, Suite 1C Wilmington, Delaware 19803 Completion Date March 2004 RECEIVED OPPT NCIC 2004 DEC 22 AM 11:20 Sponsor Telomer Research Program Asahi Glass Co., Ltd.

SRPT T-6295.8, T-6889.1, T-6316.4 DTI 5-A A Z226-oQ - 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Title: Inter-Species Comparison of Mechanisms Fluorochemical Toxicity following Intraperitoneal dosing of perfluorooctanesulfonate (PFOS, T-6295) or ammonium perfluorooctanoate (APFO, T-6889) in Rats and Guinea Pigs and oral dosing of N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316) in Rats.