What is a key focus of the Hazardous and Solid Waste Amendments?

The Hazardous and Solid Waste Amendments (HSWA) focus heavily on improving land disposal regulations. These amendments, which were enacted in 1984 as part of the Resource Conservation and Recovery Act (RCRA), were introduced to address the management of hazardous waste more effectively and to ensure that land disposal practices were stringent enough to protect human health and the environment.

The key emphasis on improving land disposal regulations includes stricter controls on waste treatment, storage, and disposal practices, and it mandates that hazardous waste be treated in a manner that significantly reduces the toxicity of the waste before being disposed of on land. This reflects a shift towards more responsible waste management practices and an emphasis on reducing potential harm to the surrounding areas and ecosystems.

The other options, while related to environmental safety or resource management, do not directly relate to the specific regulatory framework and objectives established by the HSWA.