Histopathology/Group Control Low Middle High Lung No. of examined 5 5 5 5 No specific lesion 5(100) 5(100) 5(100) 5(100) Kidney Rt Lt Rt Lt Rt Lt Rt Lt No. of examined 5 5 5 5 5 5 5 5 No specific lesion 1(20) 1(20) 0(00) 1(20) 1(20) 0(00) 0(00) 1(20) local nephropathy 2(40) 0(00) 1(20) 0(00) 0(00) 0(00) 1(20) 1(20) Basophilic tubules, multifocal 0(00) 1(20) 3(60) 2(40) 0(00) 0(00) 1(20) 2(40) Tubular dilatation, diffuse 3(60) 3(60) 3(60) 4(80) 5(100) 5(100) 5(100) 5(100) Lymphocyte infiltration, focal 0(00) 0(00) 1(20) 0(00) 1(20) 0(00) 0(00) 0(00)

Table 4: Histopathological findings for lung and kidney of rats after 28 days inhalation of ethylene glycol.