@GenHumInst You're right. A #firefighter or #FireMarshal could easily help me too.
We've got monitors.
I've been hazmat certified. I'm pretty sure someone with hazmat training should be able to answer too - it's an easy question. I'm looking for more of an educated opinion than a standard.
If you want to know more about monitors, I'd be happy to explain them and recommend an inexpensive model.