What does the term 'containment' refer to in hazardous waste management?

In hazardous waste management, the term 'containment' specifically refers to methods used to confine hazardous materials effectively, ensuring that they do not escape into the environment. This involves using reliable structures, barriers, or systems designed to keep hazardous substances secure, thereby preventing potential exposure to people and the surrounding ecosystem.

Containment is critical in managing hazardous waste, as it mitigates risks that can arise from spills, leaks, and other releases of harmful substances. It is a proactive approach that focuses on preventing contamination and safeguarding public health and the environment. Various containment strategies may include the use of double-walled tanks, secure storage facilities, and appropriate containment vessels, each tailored to the specific type of hazardous waste being handled.

While the other options mention important aspects of hazardous waste management, such as cleanup techniques, recycling strategies, and labeling processes, they do not encapsulate the core concept of containment, which is centered specifically on preventing the release of hazardous materials.