P. 1 DuPont-18317 TRADE SECRE T Study Title Ammonium Perfluorooctanoate : 28-Day Immunotoxicity Study in Male Rats TEST GUIDELINES : U .S .

ARIX-OSfl ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.

3M Environmental Laboratory Results from Analyses of Soil and Groundwater Samples From the E.

A v/JA r/u X V/1NX UOt UlNiii AR226-2963 Du Pont HLO 433-91 Study Title Skir^jensltization Test v i t h l H H I H R i n Guinea Pigs Study Completed On August 14, 1991 Contracting Laboratory Pharmakon Research International, Inc.

ARa k -.0678 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.

THE DEVELOPMENT SERVICES COMPANY AR6-0131 g~ y FINAL REPORT CHROMOSOMAL ABERRATIONS IN HUMAN WHOLE BLOOD LYMPHOCYTES WITH PFOS AUTHOR Hemalatha Murli, PhD PERFORMING LABORATORY Covance Laboratories Inc.

M22G-OIH 3M M ED ICA L DEPARTM ENT, CO RPO RA TE TO X ICO LO G Y P rotocol fo r S tudy No.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

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.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST 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.

A W # - a -if ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, lithium salt, CAS #29457-72-5) Remarks: The test sample is a mixture of the test substance in water (approximately 24.5% test substance and 75.5% water).

STUDY CODE : K01-1802 A R 1 2 S -O I3 C Receipt No.

Internal Correspondence in Ij* Clair Murphy - 116-1 - 01-064 Tom Pietrs - 22-1 - 01/064 I'-'^ Dean Dworak - 41-1 - 01/064 Cliff Ruschmeyer - 116-1 - 01/064 John Pilney - 47-1 - 01/064 Tom Christ - 110-1 - 01/064 Gordon Weum - 47-1 - 01/064 TO: Glenn Damerell - 70-1-01 - 01/064 From: Larry R.

AR *6 - 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-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-3054 -DiiPontHLR-842-96- Local Lymph Node Assay Screen with H22051 > f l % The Local Lymph Node Assay (LLNA) screen with H22051BfUwas conducted in female CBA/JHsd mice.