What is secondary containment?
A safeguarding method used to prevent unplanned releases of toxic or hazardous compounds into uncontrolled work areas. It’s a level of containment that is external to and separate from primary containment. Secondary containment is a method of safeguarding used to prevent unauthorized releases of toxic or hazardous gases into uncontrolled work areas. Secondary containment means those methods or facilities in addition to the primary containment system.
General Guidelines for Secondary Containment of Radioactive Isotopes in Laboratories
Radioactive isotopes should be stored in secondary containers to prevent or minimize the possibility of accidental release as well as to ensure compliance with certain local and state regulations dealing with chemical storage. Requirements for secondary containment are based on container size, not the volume of liquid inside the container. Regardless of quantity, all storage of hazardous liquid chemicals in close proximity to floor drains, hood cup sinks, or storm drains must be in secondary containers.
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