Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 1998 Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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Page 141
... Rodent dominant lethal assay . 798.5460 Rodent heritable translocation as- says . 798.5500 Differential growth inhibition of re- pair proficient and repair deficient bac- teria : " Bacterial DNA damage or repair tests . " 798.5955 ...
... Rodent dominant lethal assay . 798.5460 Rodent heritable translocation as- says . 798.5500 Differential growth inhibition of re- pair proficient and repair deficient bac- teria : " Bacterial DNA damage or repair tests . " 798.5955 ...
Page 144
... rodent , the thyroid with parathyroids also shall be weighed wet . ( iii ) The following organs and tissues , or ... ( rodents ) in the low and intermediate dose groups shall be subjected to histopathological ex- amination for evidence ...
... rodent , the thyroid with parathyroids also shall be weighed wet . ( iii ) The following organs and tissues , or ... ( rodents ) in the low and intermediate dose groups shall be subjected to histopathological ex- amination for evidence ...
Page 146
... rodent species may be used , although the rat is the preferred spe- cies . Commonly used laboratory strains shall be ... rodents ( 10 females and 10 males ) shall be used for each test group . If another mamma- lian species is selected ...
... rodent species may be used , although the rat is the preferred spe- cies . Commonly used laboratory strains shall be ... rodents ( 10 females and 10 males ) shall be used for each test group . If another mamma- lian species is selected ...
Page 149
... rodent , the brain ; for the non- rodent , the thyroid with parathyroids also shall be weighed wet . ( iii ) The following ... ( rodents ) in the low and intermediate dose groups shall also be subjected to histopathological examination ...
... rodent , the brain ; for the non- rodent , the thyroid with parathyroids also shall be weighed wet . ( iii ) The following ... ( rodents ) in the low and intermediate dose groups shall also be subjected to histopathological examination ...
Page 151
... Rodents . Dosing shall begin as soon as possible after weaning , ideally before the rats are 6 , and in any case ... Rodents . At least 20 animals ( 10 females and 10 males ) shall be used at each dose level . ( B ) Non - rodents . At ...
... Rodents . Dosing shall begin as soon as possible after weaning , ideally before the rats are 6 , and in any case ... Rodents . At least 20 animals ( 10 females and 10 males ) shall be used at each dose level . ( B ) Non - rodents . At ...
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1,2,3-trichlorobenzene actinometer Administration amended applicable appropriate assay assessment body weight body weight changes cells centration chapter chromosome concentration conducted consent agreement control group Council culture daphnids dermal determine dilution water dose level effective date embryos environmental impact statement erythrocytes evaluation exposure Federal Acquisition Regulation FEDERAL REGISTER females final report submitted final rule guideline hexane highest dose histopathology inhalation isopropanol laboratory least lesions males mating measured ment metabolic method mutagens Mutation mysids necropsy neurotoxicity number of animals observed Office oncogenicity oral organs paragraph percent period photolysis positive control procedures provisions also apply rats Reporting requirements Required testing rodents Route of administration samples species specified stance standard statistical strain study plans subchronic submitted to EPA Subpart test chamber test chemical test rule test solution test sub test substance test system tion tissue toxic effects toxicity toxicity test treatment TSCA vehicle