Document NezddLdBkdk9vOmbk35a2BkgR

AR226-2765 FOR DU POST USE ONLY Copies to: HaclroiT t .E * Pont de Nemours and Company Haskell taboracer, far Toxicology a,,d Industrial Medicine fcllcton Road, Newark, Delaware J9711 HASKELL LABORATORY REPORT NO. 329-81 Material Vested ' !--- --- Octanoic acid, pentadecafluoto-, ammonium salt* ; Haskell No. Other Codes C^8 tmsr^rrnkStudy Iniciated/ComDleced --r *^CRfib Department Haskell Laboratory ORAL LD50 TEST IN ,MICg Procedure : The test material Ab#y fintr1a-ga_s_t_r_lc in.tu-bation in ' 1 * * pension is corn oil, was administered of female youn^ ^ " ^ 1 ^ 1 10 5 ! " C 6 8~ Up8 of m 1 * 6 roup. 1*1weighed and observed during f U - dav 1 f!?- ? ! survlvin* *0. wire The LD50 y.lue ,,a8 c a l c S i f e J } r J " * then " i c e d . J. Finney.** "suiatmd from ehe mortality data using the method of D. Males Dose ^B8/fcg) 4,000t Average Body _ Weight fel 38 2,000t 38 1,000 38 750 31 500 36 250 30 ! j Suspension <*) i lis 10 A 3 2 1 Average Dose f o i L l 1.01 0.76 0.95 0.76 0.89 0.75 Mortality 10/10 10/10 10/10 10/10 4/10 1/10 LD50*** *57 mg/kg 1- Company Sanitized. Doss not contain TSQA CBl Results : Dose (mg/kg) Average Body Weight (a) Females : 4 , 000t 35 2,000t 34 1,000 33 Suspension (%) 15 10 4 Average Dose (mL) 0.94 0.67 0.82 Mortality Ratio 10/10 10/10 10/10 LD50*** 457 mg/kg 750 25 3 0.62 10/10 500 33 2 0.82 4/10 250 24 1 0.60 1/10 Clinical Signs: Males: Stained and/or wet perineal area, weakness and weight loss in all surviving mice, eyes half closed at 1,000 and 250 mg/kg. Ruffled fur at 250 and 500 mg/kg, Ataxia at 1000, 500 and 250 mg/kg. Tremors at 500 and 750 mg/kg. All deaths occurred within 6 days after dbsing. Females: Stained and/or wet perineal area, weakness and weight loss in all surviving mice. Eyes half d o s e d , stained face and tremors at 750 mg/kg. Ataxia at 500 mg/kg. Ruffled fur at 750 and 250 mg/kg. All deaths occurred within 7 days after dosing. Summary: Ammonium perfluorooctanoate is moderately toxic when administered oraH y to young adult CD-I male and female mice; its LD50 for males and females is 457 mg/kg of body weight. Clinical signs included: stained and/or wet perinea' area, ataxia, tremors, weakness, ruffled fur, eyes half-closed and weight loss. All deaths occurred within 7 days after dosing. Synonyms perfluorooctanoate Purity: ^ Contaminants ** Finney, D. J , , Problt Analysis, 3rd Ed,, 1971, Cambridge University Press. 2- Comps-r.;/ Sanitated. Dc to? contai* T&CA CB ik* 95X Confidence Limits: Males : Lower: Upper: Slope: 344 mg/kg 560 mg/kg 6.6 Females : Lower: Upper : Slope: 344 mg/kg 560 mg/kg 6.6 r rnsn nd 2000 m8/ks dose level LP50 data due to limitations o: male and female computer. were not calculated In Report by: Hall Technician Reviewed by : 0. Study Director Approv" i b>" -----Gerald L. Kennedy Chief, Acute Investigations Section 1981 3- - Saw COtDPai^ oniain TS' noie 0033