what is
secondary containment?
Secondary containment is a critical safety measure implemented in facilities handling hazardous substances, designed to prevent pollutants from escaping into the environment in the event of a spill or leak. This protective strategy is mandated by environmental regulations from bodies like the Environmental Protection Agency (EPA) and Occupational Safety and Health Administration (OSHA) to ensure that any unintended release of hazardous materials is effectively contained within a secondary barrier, thereby mitigating potential environmental damage.
Secondary containment systems are engineered to capture unexpected spills from primary containment units, such as tanks, pipes, or drums, that store or transport hazardous chemicals, fuels, or other dangerous liquids. The criteria for these systems are not one-size-fits-all but vary on the volume of the contained substance, the potential associated risks, and industry-specific regulations.
A secondary containment system typically includes physical barriers like containment berms, dikes, or liners and may also encompass methods like double-walled tanks or spill pallets. These systems are designed to contain the stored substance’s volume and any additional runoff, ensuring comprehensive protection against spill incidents. Industries can significantly reduce the risk of soil, water, or air contamination through secondary containment, protecting the environment and public health while adhering to legal and ethical standards.
