Toxic Substances Control Act (TSCA): This act gives the EPA authority to oversee the introduction and use of chemicals in the United States. Clean Air Act: This law regulates air emissions from stationary and mobile sources to protect public health and the environment. Clean Water Act: Aims to restore and maintain the integrity of the nation’s waters by preventing point and nonpoint pollution sources. Resource Conservation and Recovery Act (RCRA): Governs the disposal of solid and hazardous waste.