Figure 3: Relative organ weight of SD rats after 28 days inhalation of ethylene glycol. The groups of five male rats were exposed toethylene glycol (0, 4, 20, 100 mg/m3) for subacute inhalation toxicity (28 day study). Low: 4 mg/m3, middle: 20 mg/m3, high: 100 mg/m3.