What must be done if conditions in the confined space change during the entry?

When conditions in a confined space change during an entry, it is essential to re-evaluate and possibly cancel the entry. This response is critical because changes in the environment can introduce new hazards that may compromise the safety of personnel. These hazards could include shifts in atmospheric conditions, the presence of toxic gases, or physical changes within the space that could pose risks to the workers inside.

Re-evaluating the conditions allows for a thorough assessment of whether it is safe to proceed or if immediate action should be taken to protect the workers. If the risks are determined to be too high, canceling the entry is the appropriate step to ensure safety. This procedure aligns with the principles of hazard assessment and safety management protocols, emphasizing the importance of constant vigilance and adapting to new information in real-time. Ensuring the safety of personnel is always the paramount concern in confined space operations.