4.4 Risk Evaluation. Where a risk evaluation (see Annex I) is required by the AHJ, the following data shall be determined:
Minimum ignition energy (MIE)
(1) Maximum pressure (Pmax)
(2) Pressure rise (dP/dt)
(3) Deflagration index (KSt)
(4) Limiting oxygen concentration (LOC)
(5) Minimum explosible concentration (MEC)
(6) Thermal stability
(7) Electrostatic risk
(8) Reactivity