You must:
• Make sure operations and tasks (including limited actions) in danger areas are conducted using the buddy system in teams of two or more.
Definition:
Danger areas are areas where conditions pose a serious danger to employees, such as areas where:
• Immediately dangerous to life or health (IDLH) conditions could exist.
or
• High levels of exposure to toxic substances could exist.
or
• There is a potential for exceeding the lower explosive limit (LEL), also known as the lower flammability limit (LFL) of a hazardous substance.