What do classifications in Groups 2A and 2B mean? Group 2A means that the agent is probably carcinogenic to humans. For agents in this category, there is usually convincing evidence that the…

What are the four different categories into which agents are classified? Group 1: The agent is carcinogenic to humans This category is used when there is sufficient evidence of carcinog…

How is the evaluation carried out? A Working Group of independent international experts carries out the evaluation. The independent experts assemble and critically review the scientific evid…