Table 4. (Continued) 



Taxonomic group, route Exposure LD-BO Reference 



of administration, units, period 

 organism, and compound 



Oral (grams/kg body weight) 



Mallard 



1242 Single dose >2 NAS 1979 



1254 " >2 



1260 " >2 



1268 " >2 



Mammals 



Dietary (mg/kg diet) 



Mink, Mustela vison 



1242 9 months 8.6 Ringer 1983 



1254 9 months 6.7 



European ferret, Mustela putorius furo 



1242 9 months >20 



White-footed mice, Peromyscus leucopus 



1254 rweeks >100 Sanders and 



Kirkpatrick 1977 

 Rat, Rattus norvegicus 



1254 6 days >75 Hudson et al. 1984 



Mice, Swiss-Webster PCB-resistant strain 



1254 18 weeks >250 Talcott and Koller 



1983 

 Raccoon, Procyon lotor 



1254 8 days >50 Montz et al. 1982 



Cottontail rabbit, Sylvilagus floridanus 



1254 12 weeks >10 Zepp and Kirkpatrick 



Oral (grams/kg body weight) 



1976 



Rat 



1221 Single dose 1.0- 4.0 EPA 1980; NAS 1979 



1232 " 1.3- 4.5 



1242 " 0.8- 8.7 



1248 " 0.8-11.0 



1260 " 1.3-10.0 



1262 " 1.3- 3.2 



1268 " 2.5-11.3 



Various " 1.0-12.0 Safe 1984 



1254 " 0.5- 1.4 Hudson et al . 1984 



41 



