EXTREMELY FLAMMABLE GAS. Carbon monoxide cannot be detected by odor. May form
explosive mixtures with air. Toxic, flammable gas may spread. Before entering area,
especially a confined area, check atmosphere with an appropriate gas-specific device. Reduce
gas with fog or fine water spray. Shut off source of gas flow if safe to do so. Ventilate area or
move container to a well-ventilated area