| Basic Event | Failure Frequency | Failure Probability [14] |
| Structural defects | 2.31e−006/h [25] | P[A] |
| Corrosion effects | 1.115e−006/h [25] | P[B] |
| Pressure relief system | 2.12e−005/h [25] | P[C] |
| Fire and explosion | 1.78e−006/h [25] | P[D] |
| Overpressure | 0.01/h [26] | P[E] |
| Material defect | 11.15e−06/h [25] | P[F] |
| Sensor failure | 0.03/h [27] | P[G] |
| Overheating (rupture) | 2.96e−010/h [26] | P[H] |