| Following an engine room bilge fire which is believed to be extinguished after using a fixed CO2 fire extinguishing system, the investigating team should reenter the closed space __________ . |
| A) no sooner than 15 minutes after the fire is believed extinguished |
| B) via the lowest access door |
| C) via the lowest access door and equipped with SCBAs no sooner than 30 minutes after the fire is believed extinguished |
| D) via the highest access door and equipped with SCBAs, one hour after the fire is believed extinguished |