TRADE SECRET DuPont HL-1997-01294 AR226-3085 Study Title H-23004: Skin Irritation Test in Rabbits Laboratory Project ID: HL-1997-01294 Author: Tracy A.

SPONSOR Elf Atochem S.A.

07070 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_______________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-201F. (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 3M production lot number was 1.

Corning Hazleton Inc.

Quality Assurance Project Plan Multi-City Study Sampling Task (N100672) ' BACK TO MAIN Amendment 1 to Revision No.: 1 Effective Date: Junel6, 1999 Page 1 of3 Amendment 1 to the Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To June 16,1999 Prepared by Battelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 APPROVALS Donald Gunster \ Sampling Task Leader ^-- A)P Rosanna Buhl Battelle Sampling Task QA Officer Marcia Nishioka ' Battelle Project Manager JhMA Susan Abbgy| if u (j Battelle Program QA Officer tI ifln Date ' Date VV ?

BACK TO MAIN Study Title Acute Toxicity of L - i '492 to the Daphnid, DapJinla magna Data Requirement: Guideline Humber u.s.

Perfluorooctane Sulfonate: Current Summary of Human Sera, Health and Toxicology Data 3M January 21,1999 l 000014: January 21, 1999 TABLE OF CONTENTS EXECUTIVE SUMMARY............................................................................................................................. 3 I.

rt* Aa ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE________________________________________________ Identity: 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).

JUNE 26, 1998 Page 1 of 1 Z 2 -/9 & January 31, 2005 NEWS MEDIA RELEASE IMPORTANT NOTICE: WATER USE REDUCTION ADVISORY ALL CUSTOMERS OF THE LITTLE HOCKING WATER ASSOCIATION ARE ASKED TO VOLUNTARILY REDUCE THEIR WATER USE ON A TEMPORARY BASIS IN ORDER TO REDUCE THE WATER DEMAND ON THE SYSTEM.

AR226-2082 WASHINGTON WORK.3 INDUSTRIAL HYGIENE REPORT FROM l-Jan-1995 TO 31-Jul-1997 v.

AR226-2454 INTEROFFICE MEMORANDUM TO: Distribution List Date: From: Dept: Tel No 05-Nov-1998 09:23am JOHN F.

AR226-2548 RCRA FACILITY INVESTIGATION REPORT DUPONT WASHINGTON WORKS WASHINGTON, WEST VIRGINIA JUNE 30,1999 Project No. 0D6W7205 ASH000246 Prepared by <90B& v C O R P O R A T E REM ED IA TIO N G R O U P An Alliance between DuPont and The W-C Diamond Group Barley Mill Plaza, Building 27 Wilmington, Delaware 19880-0027 EID090342 III I } I t^OOOHSV !

CONFIDENTIAL AR226-3127 DPT 432/985069/SS SKIN SENSITIZATION TO THE GUINEA-PIG (MAGNUSSON & KLIGMAN METHOD) Sponsor DuPont Specialty Chemicals Jackson Laboratory.

AR226-3142 CONFIDENTIAL SPONSOR Elf Atochem S.A.

PgoetrWlH j 2- MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.