During a monthly extinguisher inspection, which item is checked regarding the seal?

• A. It has a sealed bag.
• B. Tamper seal is intact.
• C. The label is water resistant.
• D. The barcode is readable.

Answer: (B)

The main concept being tested is whether the tamper seal around the extinguisher’s operating mechanism is intact. The tamper seal shows if the unit has been opened or discharged since the last service. During a monthly inspection you verify that this seal is present and unbroken, which means the extinguisher hasn’t been used or tampered with and is ready for use. If the seal is damaged or missing, the extinguisher should be taken out of service and recorded for maintenance or replacement.

The other items aren’t about the seal’s status. A sealed bag isn’t a standard part of most portable extinguishers’ inspection; a label being water resistant concerns durability, not seal integrity; and a readable barcode relates to inventory, not whether the seal is intact.