The Frank R. Lautenberg Chemical Safety for the 21st Century Act updated which act enacted in 1976?

• A. Clean Air Act
• B. Toxic Substances Control Act
• C. Safe Drinking Water Act
• D. Federal Insecticide, Fungicide, and Rodenticide Act

Answer: (B)

The key idea here is identifying which regulation was strengthened by the Frank R. Lautenberg Chemical Safety for the 21st Century Act. It updated the Toxic Substances Control Act, enacted in 1976. TSCA established a framework for evaluating and controlling chemical risks, but it had notable gaps: EPA often lacked sufficient data on existing chemicals, and new chemicals could enter the market with limited safety information. Lautenberg Act overhauled TSCA by requiring systematic risk evaluations of existing chemicals, prioritizing certain chemicals for review, mandating more robust testing and data, and giving EPA stronger authority to limit or ban unsafe uses and to require safety reviews before new chemicals can enter commerce. This shift toward a risk-based, data-rich approach is why the Lautenberg Act is tied to TSCA. The other acts regulate different areas—Clean Air Act for air quality, Safe Drinking Water Act for drinking water, and FIFRA for pesticides—so they’re not the ones updated by this law.