Asked in ChemistryWorkplace Health and SafetyHydrocarbons
Chemistry
Workplace Health and Safety
Hydrocarbons
What is the Threshold limit value for methane gas?
Answer

Wiki User
June 11, 2011 7:22AM
Methane (Natural Gas) gas exposure limit - 500ppm
See the link below.
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Where do you find methane gas?

When people fart , methane gas is produced.Another thing about
methane gas is that cows are one biggest producers of methane gas
because they have two stomachs.You know they burp more methane than
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methane than anything ! There are many other animals and things
that produce methane gas .