FOR DU PONT USE ONLY AR226-2966 Du Pont HLO 706-91 Study T itle 100-Person Repeated In s u lt Patch T est w ith Study Com pleted On October 11, 1991 C ontracting L aboratory B iosearch, In c.

TRADE SECRET AR226-3081 DuPont HL-1997-00867 Study Title H-22762: Oral Approximate Lethal D ose (ALD) in Rats Laboratory Project ID: HL-1997-00867 Author: Tracy A.

AR226-3366 lllll1ii IM w m Bm H T?

M S .& 6. 6 7 7 FINAL MULTI-CITY STUDY FIELD REPORT FOR MOBILE ALABAMA AND PENSACOLA FLORIDA - BATTELLE DUXBURY ACTIVITIES for .

M 236 - O 77#- 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-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

M & a .G - O l Z BIODEGRADATION (BOD/COD) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603F. (1Octanesulfonic acid) (CAS # 2795-39-3).

Quality Assurance Project Plan M ulti-City Study Sampling Task (N1Q0672) R226-0077 Amendment 1 to Revision No. : 1 Effective Date: Junel6, 1999 Page 1 o f3 Amendment 1 to the S j 'S S Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To (Confidential) June 16,1999 Prepared by Battelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 APPROVALS Donald Gunster Sampling Task Leader Rosanna Buhl Battelle Sampling Task QA Officer -- Marcia Nishioka ' Battelle Project Manager ---- Date Date .7/ .y ?

BACK TO MAIN Battelle Field Sampling Procedures Review Columbus Georgia City Survey regarding Empirical Human Exposure Assessment Multi-City Study To Susan Beach - Project Lead 3M, ET & SS PO Box 33331 Building 2-3E-09 St.

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/IfttiG -cm R OCTANOUW ATER PARTITION COEFFICIENT TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1 ,1 ,2 ,2 ,3 ,3 ,4 ,4 ,5 ,5 ,6 ,6 ,7 ,7 ,8 ,8 ,8 -h e p ta d e c a flu o ro -N -(2 -h y d ro x y e th y l)-, CAS # 1691-99-2) Rem arks: Material is an off-white, waxy solid.

07A f L Z Z G - S/ TOXICITY 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).

AK _ O Z93 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-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

Study Title frKIZ- O g z ORAL (GAVAGE) TWO-GENERATION (ONE LITTER PER GENERATION) REPRODUCTION STUDY OF AMMONIUM PERFLUOROOCTANOATE (APFO) IN RATS SPONSOR'S STUDY NUMBER: T-6889.6 Data Requirement U.S.

SPONSOR ElfAtochemS.A.

AR226-3093 TRADE SECRET Study Title H-23005: Bacterial Reverse Mutation Test LABORATORY PROJECT ID: HL-1998-01316 AUTHOR: N.