Section R11-1-1807. Welding or cutting in atmospheres containing more than 1.0% of flammable gases  


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  • Welding or cutting shall not be performed in atmospheres contain- ing more than 1.0% of flammable gases. The concentration of flam- mable gases is to be determined by a device (approved by the Inspector) other than a permissible flame safety lamp.

Historical Note

Former Rule 18:07.