Which of the following is NOT typically used for containment of hazardous waste?

The correct choice highlights that open disposal in landfills is not a standard practice for the containment of hazardous waste. Hazardous waste requires careful handling and containment due to its potential to harm human health and the environment. The management of hazardous waste must follow specific regulations to ensure safety and compliance.

When hazardous waste is disposed of in open landfills, it poses a significant risk of leaching into the soil and water supply, potentially causing contamination over time. In contrast, secure containers, temporary storage facilities, and barriers are widely recognized methods of safely managing and containing hazardous waste.

Secure containers are designed to prevent leaks and spills, providing an effective means of isolating hazardous materials. Temporary storage facilities are set up to safely hold hazardous waste until it can be properly treated or shipped to long-term disposal sites. Creating barriers, such as dikes or retaining walls, helps to contain potential spills or leaks, preventing hazardous materials from spreading and causing environmental damage. Each of these methods is integral to a comprehensive hazardous waste management strategy, focusing on minimizing risks and promoting safety.