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Group Summary P Generation Group Group 1 Group II Group III Group IV Group V NUMBER OF DAYS OF DATA COLLECTION NUMBER OF DAYS IN ESTRUS % OF DAYS IN ESTRUS 21 g 43% 21 8 41% 21 9 42% 21 8 39% 21 9 42% NUMBER OF DAYS IN % OF DAYS DIESTRUS IN DIESTRUS NUMBER OF % OF DAYS DAYS IN IN PROESTRUS PROESTRUS 9 41% 9 45% 9 45% 10 45% 9 43% 3 16% 3 14% 3 13% 3 15% 3 15% "N" FOR MEAN CYCLE MEAN CYCLE NUMBER OF LENGTH LENGTH CYCLES 30 4.3 4.6 30 4.0 4.6 28 4.1 4.3 30 4.3 4.4 29 4.1 4.6 P Generation nimal I 13801 13802 13803 13804 13805 13806 13807 13808 13809 13810 13811 13812 13813 13814 13815 13816 13817 13818 13819 13820 13821 13822 13823 13824 13825 13826 13827 13828 13829 13830 13831 13832 13833 13834 13835 13836 13837 13838 13839 13840 13841 13842 13843 13844 13845 13846 13847 13848 13849 13850 Group 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 MEAN CYCLE LENGTH 3.75 3.20 3.75 3.67 3.75 5.33 4.00 4.25 4.25 4.25 4.50 9.00 4.00 5.00 5.00 4.33 4.00 4.00 4.00 4.00 4.25 4.00 4.00 3.40 4.67 3.75 4.25 3.75 4.00 4.00 3.67 4.25 4.00 3.75 4.00 4.00 4.00 4.50 3.75 4.33 3.75 4.00 4.25 3.75 4.00 4.00 4.00 4.00 4.00 4.25 NUMBER OF CYCLES 5.00 6.00 5.00 4.00 5.00 3.00 5.00 4.00 5.00 5.00 4.00 2.00 5.00 4.00 4.00 5.00 5.00 5.00 5.00 4.00 5.00 5.00 5.00 6.00 5.00 5.00 5.00 4.00 4.00 5.00 5.00 5.00 5.00 5.00 5.00 2.00 5.00 2.00 5.00 5.00 4.00 4.00 5.00 4.00 4.00 5.00 4.00 5.00 5.00 6.00 13851 13852 13853 13854 13855 13856 13857 13858 13859 13860 13861 13862 13863 13864 13865 13866 13867 13868 13869 13870 13871 13872 13873 13874 13875 13876 13877 13878 13879 13880 13881 13882 13883 13884 13885 13886 13887 13888 13889 13890 13891 13892 13893 13894 13895 13896 13897 13898 13899 13900 13901 13902 CO CO CO P Generation 2 3.25 6.00 2 3.75 5.00 2 4.00 4.00 2 4.00 5.00 2 3.75 5.00 2 3.75 4.00 2 4.50 4.00 2 4.00 5.00 2 3.80 5.00 2 4.25 5.00 3 5.00 3.00 3 3.75 5.00 3 4.00 5.00 3 4.67 4.00 3 4.00 4.00 3 4.67 3.00 3 4.00 5.00 3 3.75 5.00 3 4.00 5.00 3 4.00 4.00 3 3.75 5.00 3 3.75 5.00 3 4.00 5.00 3 5.00 3.00 3 4.00 4.00 3 3.75 4.00 3 4.25 4.00 3 4.25 5.00 3 4.00 6.00 3 4.00 4.00 3 5.00 4.00 3 4.00 5.00 3 3.75 5.00 4.00 5.00 #DIV/0!

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AR226-2484 C-8 Sump Analysis Sheet Date Time Liquid Sample Solids Sample pH .

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AR226-2786 _FOR DU PONT USE ONLY Copie to E. 1. du Pont de Nemours and Co., Inc.

P* M AA6 - Z l t f TRADE SECRET DuPont-8837 Study Title H-24616: In Vitro Dermal Penetration Through Rat Skin Laboratory Project ID: DuPont-8837 Test Guidelines: None were applicable Author: William J.

M u t - 3300 482 Accession No.

ftfL&ab-bk i 27 000230 fi(L0.H6 - P R O P O SA L FOR FEASIBILITY A SSE SSU E H T Estim ating Exposure, B iopersistence, and Potential liv e r E ffects front W orkplace Exposures to O rganofluorines: A determ ination o f the feasibility o f appropriate analyses of historical surveillance date Introduction Concern regarding organofiuorine exposure (C-8 etc.) is based on the results of rodent testing.

SEVERN TRENT STL STL Chicago 2 4 1 7 Bond Street University Park, !

fik Z 2 . 6 - 0 S 7 o 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-780B. (1Octanesulfonic acid) (CAS # 2795-39-3).

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