What is a secondary containment system?

Answer: B — An additional layer designed to prevent spills from spreading

A secondary containment system is designed specifically to provide an additional layer of protection to prevent spills or leaks from spreading beyond their original containment. This system is crucial in hazardous material management, as it helps to minimize the environmental impact and protects public safety in the event of a spill. Secondary containment can take various forms, such as bunds, dikes, or holding tanks, and is often used in settings where hazardous substances are stored or used. Understanding the purpose of secondary containment is vital for first responders and those involved in hazardous materials operations. By ensuring that any potential leaks are contained effectively, secondary containment systems play a critical role in managing risks associated with hazardous substances. In contrast, an emergency response plan primarily focuses on outlining procedures and actions during hazardous material incidents, protective gear specifications entail guidelines for the equipment used by responders, and evacuation protocols are concerned with safely removing individuals from potentially dangerous situations. These elements all contribute to overall safety, but they are not specifically designed to prevent the spread of spills in the same way that a secondary containment system does.