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o ie 78% 156 Experinent to.: Conducted ats Dates Conducted: Conducted By: 20 bay Percutaneous Absorption Study 7 with re-s9 in Albino Rabbits 097980633 SRStia.kfeertTyaLuaE,bvoaWrliautnaontreiisoeonsr,sLaIbnocr.atory October 24, 1979 to December 18, 1979 a ooi %. bo oanel, 5 3 Bite RStauvdaynceDdirTecotxoircologist Reviewed By: der mKFoInl..

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BIOACCUMULATION TEST SUBSTANCE Identity: NU-1E4t6h4y,ipEetrFfiOuSoAr,ooEcttPanOeSsAu,lfFo-n6a3m0i9d,e;ormaFXy-a1l2s.o b(1e- referred to as Octanesulfonamide, 1,1,2,2,3,3.4,4,5,5.6,6,7,7,8.8.8heptadecafluoro-N-ethyl-, CAS# 4151-502) Remarks: Material is a white solid of uncharacterized purity.

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AR226-1539 ATTACHMENT 1 YEAR 2002 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia RECEIVED OPPT NCIC 2003 October 31 8:25AM Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 October 17, 2003 Year 2002 Air Dispersion Modeling Analysis October 17, 2003 Page 2 1.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred atcoiads, 1P1F,D2S2,,3F3C,-4,142,05,,o5r6,36M,7S.7a,m8p,l8e9,J92,91050-,11.0,1(01--Decanesulfonic heneicosafiuoro-, ammonium salt, CAS # 67506-42-7) Remarks: Test sample is a mixture of the test substance in water and cbeutlylloscoellvleosaonldve3(7a.p5p%rowxaitmeart)e.lyAl2l 5v%aluteesst rseupbosrttaendcer,ela3t7e.t5o%thbiustymlixture.