Z_*T HEV.1-80 E.

AR226-2790 FOR DU PONT USE ONLY Approximate Lethal Concentration by Inhalation (ALC) of Ammonium Periluorononanoate (C-9) Haskell Laboratory Report No. 293-85 E.

FOR DU PONT USE ONLY AR226-2792 Subchronic Inhalation Toxicity of iln Rats Haskell Laboratory Report No. 273-85 MR No E.

M A A 6 - OZH3 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-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

09W 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 FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

A R O rO S* TOXICITY TO AQUATIC PLANTS (e.g., Algae) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

3M FLUOROCHEMICAL SUBMISSIONS OCTOBER 1987- OCTOBER 2005 BACK TO DISCLAIMER CHOOSE TO SEARCH BY CHEMICAL STUDY TYPE OR BY DATE Submissions Arranged by Chemical Study Type Submissions Arranged by Date

A R t t r O 3f l0 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

/)R m - 0 1 % 3 Special Lens Oral Teratology Study of T-2999CoC in Two Strains of Rats Experiment No.: Conducted At: Dosing Period: Study Director: 0681TR0362 Safety Evaluation Laboratory Riker Laboratories Inc.

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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.

y* Polymer Products Department Research and Development Division Experimental Station ' AR226-2387 cet S C Croft - 256 M- A* Kaiser - 256 T.

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FOR DU PONT SE ONLY AR226-2939 Du Pont HLR 360-89 Study Title Skin Irritation Test in Rabbits o Author John W.