ARZ%-ortH TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 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.

Attachments to Letter to C.

ARZ&-02IH 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Protocol for Study No.

C O R N IN G Hazleton MUTAGENICITY TEST ON T - 6294 IN AN IN VIVO MOUSE MICRONUCLEUS ASSAY.^. &* FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

HAZLETON WASHINGTON 9 2 0 0 LE E S B U R G PIKE V I E N N A .

Internal Correspondence A/W&OWI To: F'om: Subject: Date: COMMERCIAL CHEMICALS ANALYTICAL REPORT #346 E.

Attachments to Letter to C.

/|R Z26-037 MELTING POINT TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethylI.I^^.S.S^AS.S.e.ejJ.S.S.S-heptadecafluoro-N-^-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

ftFU%-OHL BIOSEARCH, INC. p.o. box 8598 Philadelphia, Pennsylvania !

flRUG'OHSO PHOTODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, or FC-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.

M 2.3.6. 0663 N-EtFOSA Pharmacokinetic - / 000475 HAZLETON WISCONSIN P O S T OFFICE B O X 7545 M A D IS O N.

A R HHG - O &KQ ACUTE TO XICITY TO FISH TEST SUBSTANCE ______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonic acid) (CAS # 2795-39-3) Remarks: The 3M production lot number was 1-2303.

AK.PA6 _ o7ll BIODEGRADATION (301E) 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).