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In following federal regulations and guidelines, organizations often use a combination of active and passive containment approaches to comply with spill control and countermeasure requirements. These approaches offer specific benefits depending on the situation, environment, or material in need of containment.
Active and passive containment comply with SPCC general secondary containment requirements. Typically, these containment approaches work best for preventing discharge from a container or piece of equipment. A combination of containment approaches works best for these smaller, more easily contained spills compared to worst-case discharge spills.
Active containment is when someone physically puts the containment devices in place. The containment may deploy before an activity begins or in reaction to a discharge, but it requires personnel.
Active containment measures include:
Since active containment requires personnel, the containment solutions and the people available to deploy the active containment must both be identified in your SPCC plan.
Putting something in place to contain spills before they happen is considered a passive containment approach. These devices control spills entirely and don’t require a person’s active involvement. Depending on the application, using permanent or semi-permanent containment provides continuous protection. Consider passive secondary spill containment at remote sites that are not routinely staffed.
Passive containment devices include:
Many passive containment systems address SPCC’s specific regulation that requires containment for certain types of containers and oil-filled equipment. To meet this requirement, a spill containment solution must prevent worst-case scenario spills of hydrocarbon materials or discharge.
Although passive secondary containment is generally preferred, it’s not always practical or possible for every area or process. Many facilities use a combination of active and passive containment to prevent and respond to spills. Learn more about different approaches to spill containment to stay compliant by reading additional SPCC resources by Polystar.
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- Deborah K. Whitley (Deb) Fort Bragg, N.C. Bladder Dike MPE Utilized by Special Forces Overseas.