What is the maximum quantity of carbon dioxide allowed for a liquid carbon dioxide system before a permit is required?

The maximum quantity of carbon dioxide allowed for a liquid carbon dioxide system before a permit is required is indeed 100 lbs. This threshold is important due to the potential hazards associated with higher quantities of carbon dioxide, which can pose risks such as asphyxiation and pressure-related incidents.

Regulations are in place to ensure safety when handling and storing substances like carbon dioxide, particularly in a liquid state, as they can be dangerous if mishandled. By establishing a limit of 100 lbs, codes and standards like those set forth by the NFPA help to dictate when additional safety measures and regulatory oversight become necessary.

Understanding these limits is crucial for fire inspectors, as it informs their responsibilities in ensuring compliance with safety regulations and managing risks associated with various substances in facilities.