Which technique is advised to help prevent boom failure in pollution responses?

Overlapping boom arrangements are recommended to help prevent boom failure in pollution responses. This technique ensures that a continuous barrier is created to contain and control the spread of pollutants on water surfaces. When booms are deployed with overlapping sections, they can better withstand forces such as wind and currents, reducing the risk of gaps that could allow contaminants to escape.

The overlapping configuration enhances the structural integrity and effectiveness of the containment strategy, ensuring that any potential gaps between individual boom sections are minimized. This is vital during a pollution response, where every moment counts in preventing further environmental damage.

Using multi-layered booms, though beneficial in some contexts, primarily focuses on enhancing the oil retention capacity rather than addressing the vulnerability of the entire system to environmental forces. The deployment of chemical dispersants is a different method aimed at breaking down pollutants rather than containing them and would not contribute to preventing boom failure. Immediate cleanup efforts are essential once pollution occurs, but they do not prevent the initial spread of the pollutant, which is the primary focus of boom deployment strategies.