I have a vacuum system which contains a flammable gas. I am trying to determine the explosion risks if this system were to be vented to atmosphere. I have calculated that once the pressure equilibrates (assuming no diffusion), the atmosphere is roughly:
10% O2 37% N2 48% He 5% H2
I guess I need the LFL of H2 in 10% O2. Any ideas where to get this information?
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