Confined space, particularly at work
Mining
Large scale animal farming
Fossil fuel industry
Organic decomposition
Other people exposed may have similar symptoms
Mining
Large scale animal farming
Fossil fuel industry
Organic decomposition
Wide range, nonspecific
Tachycardia
Tachypnea
Headache
Confusion
Nausea/vomiting
LOC
Coma
Cardiac arrest
Tachycardia
Tachypnea
Headache
Confusion
Nausea/vomiting
LOC
Coma
Cardiac arrest
Methane toxicity
Methemoglobinemia
Chloroform toxicity
Altitude related illness
Hydrocarbon toxicity
Primary CNS disease
Organophosphate toxicity
ACS