Where must warning signs be posted before starting any enclosed space fumigation?

Warning signs must be posted at all entrances to the space before starting any enclosed space fumigation to ensure that anyone approaching the area is immediately informed of the potential hazards associated with the fumigation process. This is a critical safety measure, as it helps prevent unauthorized or unaware individuals from entering an area that poses significant health risks due to the presence of toxic gases or chemicals used during fumigation.

Effective communication of such hazards is essential, and placing signs at all entrances provides clear and visible warnings to anyone in the vicinity. The law mandates this action to uphold safety protocols and protect the health and well-being of workers and the general public. Other options, such as posting in local newspapers, at town halls, or at the company headquarters, do not provide immediate warnings to individuals who may unknowingly approach the fumigated area, making them inadequate for ensuring on-the-spot safety.