p. 1 M A U ^ 3 7 -2 6 3MENVIRONMENTAL LABORATORY REPORT NO.

AU9M.70*t ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________________ Identity: Mixture containing periluorooctanesulfonate 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.

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).

M .6a a - 0216 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) 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 acid) (CAS # 2795-39-3).

/\R-I26-0%5 Summary PFOS Rabbit Teratology v Study Numbers: 3M T-6295.10, Argus 418-012 Compound & Lot: PFOS (Perfluorooctanesulfonate) - Lot 217, 98.4% pure (SMD Analytical Request c^?

A R 126-05 23 MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, FC-143 or as the major component of FC-1015 or FC-1015-X.

* CAS Number 376-14-7 3M Company A R k .G -Q S iS ' Voluntary Use and Exposure Information Profile N-ethyl perfluorooctanesulfonamido ethyl methacrylate 1 I.

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).

AR22-W* 0 STABILITY IN WATER (HYDROLYSIS) TEST SUBSTANCE Identity: N2-(N-methylperfluorooctanesulfonamido)-ethyl acrylate; may also be referred to as N-MeFOSEA, or MeFOSEA. (2-Propenoic acid, 2[[(heptadecafluorooctyl)sulfonyl]methylamino]ethyl ester, CAS # 25268-77-3) Remarks: Material is an amber, waxy solid, coded THAR3F2.

O R iU crO sn MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE______________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, FC-143 or as the major component of FC-118.

/ H U U -05 TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE________________________________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, FC-143 or as the major component of FC1015.

TRADE SECRET AR226-3084 DuPont HL-1997-01291 Study Title H-23004: Oral Approximate Lethal Dose (ALD) in Rats Laboratory Project ID: HL-1997-01291 Author: Tracy A.

CONFIDENTIAL AR226-3110 DPT478/992105 This report is considered by the Study Director to be the `final drift''and has bien submitted fthe Huntingdon Life Scienees.Quality Assurance Department for Audit _ _ The Sponsor is requested to review this document and commnni|aterafi.y coipients^to^fc_S^Jdrectc-,as soon as possible.

fi/OOLS&l O DU PONT DE NEMOURS (NEDERLAND) B.V.

AAA6-0679 MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.