EPA Weighs IRIS Program Changes, New Risk Assessment Approaches

The leaders of EPA's Integrated Risk Information System (IRIS) chemical toxicity assessment program are undertaking a number of efforts to revamp the program in response to criticism from science advisors and industry, including prioritizing chemicals nominated for assessment and crafting a management plan for future years. The officials in recent public remarks said they have been seeking new input from EPA program and regional offices on chemicals they have nominated for IRIS staff to assess and include in the program's...