Victim Rescue and Recovery Test No. 2 From IFSTA Hazmat for First Responders 4th Edition Progress Indicator: Question 5 of 15 5.  During the shelf-life of the apparatus with the CO2 cartridge installed the operating test can be run: Choices: Total of 4 times with each test lasting no more than 10 minutes. Total of 8 times with each test lasting no more than 5 minutes. Total of 6 times with each test lasting no more than 15 minutes. Total of 10 times with each test lasting no more than 20 minutes. None of the above