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Study Information
Study Attribute Value
CEBS Accession Number: 002-02013-0017-0000-6
Chemical Name: Dichlorvos
CASRN: 62-73-7
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 918411_CA
Study Result: Negative (Nonstandard Protocol)

Test Type Start Date Sample Time (h) Species Sex Tissue Protocol Trend Test P
CA 06/09/83 17 Mouse Male Bone Marrow Intraperitoneal Injection x 1/study, 17 hour 0.5273
Test Group Dose
(mg/kg)		 n Percent Cells w/ Aberrations
(Mean ± SEM)		 Pairwise P
Test Chemical Dichlorvos 
10         
 4 3.75 ± 1.25 0.5727
  
20         
 4 2.50 ± 0.65 0.8842
  
40         
 4 4.00 ± 1.15 0.5000
Vehicle Control No Stressor 
 0         
 4 4.00 ± 1.08 0.0000


Footnotes:
IP/IJ: Intraperitoneal Injection
INHAL: Inhalation
n: Number of animals analyzed