Lower Explosive Limit

Concentration of flammable gas or vapour in air, below which the gas atmosphere is not explosive. [IEV 426-02-09, modified].

Source: IEC 61892-7, Mobile and fixed offshore units – Electrical installations – Part 7: Hazardous areas. Global Standards


Lower Explosive Limit

“Lower explosive limit” means the lower limit of flammability of a chemical agent or a combination of chemical agents at ambient temperature and pressure, expressed

  1. for a gas or vapour, as a percentage per volume of air, and
  2. for dust, as the weight of dust per volume of air.

Source:  Nova Scotia Offshore Petroleum Occupational Health & Safety Requirements, Canada-Nova Scotia Offshore Petroleum Board, Canada, December 2000. Regulations

Source: Oil and Gas Occupational Safety and Health Regulations, SOR/87-612, Canada, current to April 29, 2013. Regulations


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