The four major training objectives at the hazardous material operations level are to analyze, plan, implement, and:

• A. monitor
• B. evaluate
• C. assess
• D. respond

Answer: (B)

Evaluating effectiveness is the final step that ties the whole action sequence together. After you analyze the situation and plan a course of action, you implement the chosen control measures. Evaluation then asks: are those actions actually reducing exposure, containing the release, and protecting responders and the public? It involves checking results, measuring progress against objectives, and deciding whether tactics are working or need adjustment. Monitoring and assessing are related ideas, but the formal objective used in hazardous materials operations is evaluation because it explicitly focuses on judging outcomes and guiding real‑time decisions. Responding describes the action taken, not the assessment of how well it worked.