Final answer:
The correct answer is b. Under RCRA, untreated hazardous wastes cannot be dumped in a landfill. Even treated hazardous wastes are subject to regulation.
Step-by-step explanation:
The correct answer regarding the Resource Conservation Recovery Act (RCRA) is b. Under RCRA, untreated hazardous wastes cannot be simply dumped in a landfill. Even hazardous wastes that arise after that waste has been treated are subject to regulation and considered to be hazardous.
The RCRA was established to ensure the proper management of hazardous waste, from its creation to its disposal. It sets up a framework for the safe handling, transportation, treatment, storage, and disposal of hazardous waste.
EPA regulations under RCRA aim to balance the conservation of resources and the protection of human health and the environment. Some hazardous wastes can be recycled, while others require treatment and disposal in landfills or incinerators.