Monthly Archives: January 2014

A case for 0% LEL/LFL inside Confined Spaces

1910.146 (b) of OSHA’s Permit-Required Confined Space standard defines a hazardous atmosphere as follows: “Flammable gas, vapor, or mist in excess of 10 percent of its lower flammable limit (LFL);”. However, whenever I conduct onsite confined training courses for clients, … Continue reading

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