Which sequence best describes the risk assessment process for a new chemical in BEA operations?

• A. Identify hazards, assign a risk rating, implement controls, and file a report
• B. Identify hazards, assess exposure and dose, determine a safe dose, implement controls, monitor, and review
• C. Identify hazards, assess exposure and dose, characterize risk, implement controls, monitor, and review
• D. Initiate operations and perform a post hoc hazard check

Answer: (C)

The key idea is to carry out a proactive, structured risk assessment for a new chemical by linking hazards to real-world exposure and dose, then using that understanding to control risk and keep it under review. Start by identifying what the chemical could harm. Then move to how people might be exposed and what dose could be absorbed, so hazard information is connected to likely real-world impact. Next, characterize the risk by combining the hazard with the exposure and dose to estimate overall risk, rather than stopping at hazards or guessing a single safe dose. After that, implement controls to reduce exposure and risk, using engineering and administrative measures as well as applicable PPE. Finally, monitor to verify controls are effective and review the assessment to update it as conditions or knowledge change. Other options skip or misorder these steps—focusing only on reporting, or aiming to determine a “safe dose” without risk characterization, or starting operations and then checking hazards afterward—which misses the proactive, continuous nature of proper risk management.