What is the maximum volume of a category b liquid that can be contained in each primary receptacle if the specimen will be transported by air?

The maximum volume of a category B liquid that can be contained in each primary receptacle for air transport is 1 liter (1000 mL). This limit is set to ensure safety and compliance with regulations regarding the transport of potentially hazardous materials. Each receptacle must also be appropriately packed to prevent leaks and ensure secure containment during transit.