M -0318 A C U T E T O XIC IT Y T O A Q U A T IC IN V E R T E B R A T E S (D A P H N IA M AG N A) T E S T S U B S T A N C E ___________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which m ay also be referred to a s P F O S , FC-95, or a s a com ponent of FX-3104. (1Octanesulfonic acid) (C A S # 2795-39-3).

FOR DU PONT USE ONLY AR226-2944 Du Pont HLR 444-89 Study Title Static Acute 96-Hour LC50a o Fathead Minnows (Plmephale to Author David G.

FOR DU PONT USE ONLY AR226-2943 Ou Pont HLR 651-89 Study Title Inhalation Approximate Lethal Concentration and Pulmonary Pathology of Exposed Rats Author Rudolph Valentine Study Completed On November 22, 1989 Performing Laboratory E. !.

M 3 2 6 _ 0X37 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 Belgium 2367.

AR AA6 _ OZ Hi 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-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

ATTACHMENT TO LETTER OF 2/9/05 3M FLUOROCHEMICAL SUBMISSION 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE PFOA Perfluorooctanoic Acid 1.

AR226-2139 CC: j.

AA 6 - Oi3^ ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 2367.

PERSONAL & CONFIDENTIAL r"fTO: FROM: J.

Internal Correspondence de: V.

M 356 ~Z0 7 BIODEGRADATION (OECD 301E) 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).

A R W -o H IJ ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: [2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate; may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2[ethyl[heptadecafluorooctyl)sulfonyl]amino]ethyl ester, CAS # 423-82- 5) Remarks: Material is an amber solid.

A R M 6 - 07S X 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2010 C-8 BLOOD DATA (WASHINGTON WORKS) STATUS OF EMPLOYEES AS OF: 0.5 p p m 5 1,0 p p m 5.0 p p m 10 ppm >10 p p m BASE DATA 1984-1985 (108 PEOPLE) 22% (24) 67% 92% 97% (73) (100) (105) 3%` (3) 1987 (31 p e o p l e ) 1988 (28 PEOPLE) 1987-1988 Co m b i n e d (58 p e o p l e ) 1989 (41 p e o p l e ) 26% (8)' 43 (12) 34% (20) 34% (14) 39% (12) 61% (17) 50% (29) 59% (23) 87% 97% 3% (27) (30) (1) 93% 100% (26) (28) 0% 90% 100% (52) (58) 0% 83% 98% 2% (34) (40) (1) o Th i s d a t a is ONLY USEFUL TO p r o v i d e A GENERAL OVERVIEW (a s n a p s h o t IN TIME). o No t u s e f u l f o r t r e n d s b e c a u s e o f p e o p l e m o v e m e n t , a n d t h e COMPOSITION OF PEOPLE TESTED CHANGES EACH YEAR.

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