Which of the following is the correct formula for risk-taking at a hazardous material incident?

The formula for risk-taking at a hazardous material incident appropriately reflects the complexities involved in assessing risk. The correct formulation indicates that one must consider chemical properties, integrity of the materials or containment systems, and other hazards that could be present in the situation. By using the "±" symbol, this signifies that both positive and negative factors can influence risk levels.

When looking at chemical properties, these are critical as they inform responders about the potential behaviors and reactions of the materials involved. Integrity is essential because it refers to the condition of containers and systems holding hazardous materials; any breach would significantly impact the risk. The inclusion of other hazards denotes the additional dangers that may be at play in an incident, such as the presence of fire or biological threats. Resource effectiveness entails the tools and personnel available for managing the incident, which can either mitigate or exacerbate the risk based on how effectively they are employed.

This combination of factors allows for a nuanced understanding of the risk dynamics in hazardous material incidents, making this formula a robust tool for safety officers in decision-making processes.