Which tactic aims to control the flow of spills by containing them with barriers?

• A. Diking
• B. Damming
• C. You cannot contain spills
• D. Diverting

Answer: (A)

The tactic that aims to control the flow of spills by using barriers is known as diking. This method involves creating a barrier, usually with earth, sandbags, or other materials, to contain liquids and prevent them from spreading to larger areas. Diking is essential in hazardous materials response, as it helps to contain spills, protecting the environment and reducing the risk of further contamination or hazards.

Diking is particularly effective for managing leaks from tanks or containers, as it allows responders to focus on cleanup and recovery efforts without the added challenge of the substance spreading. The use of physical barriers also provides a clear visual indication of the affected area, which can assist in safety and incident command during a response.

In contrast, damming refers to blocking or redirecting the flow of water or liquids, which is more suited for controlling water flow rather than spill containment. The statement about not being able to contain spills is inaccurate, as containment is a fundamental aspect of spill response. Diverting, while similar in its goal of redirecting flows, typically involves guiding the liquid away from sensitive areas, rather than creating a barrier around it.