Snipper,2,2-dichlorovinyl dimethyl phosphate,is commonly used as insecticides in the control of mosquitoes and cockroaches.This study investigated its effects on some markers of liver function in rats.Twenty-five male(M)and female(F)Wistar rats were divided into five groups of five rats each exposed to air/snipper in an inhalation chamber for 5 days/week up to 4 weeks as follows: A-control(air),B-30minutes(snipper),C-60minutes(snipper),D-90minutes(snipper),E-120minutes(snipper).