Estimations of the lethal and exposure doses for representative methanol symptoms in humans

Table 3 Symptoms from oral intake of methanol

Exposure level	Estimation from recalculation (g/person)	Symptoms	Remarks
429 mg/kg	27.8	Headache and respiratory change	[20]
3429 mg/kg	222.9	Affects vision	[27]
6422 mg/kg	417	Breathing difficulty, nausea, vomiting, circulatory system changes	[28]
4–15 ml	3.16–11.85	Blindness	[20]