Preliminary hazard list
The Preliminary Hazard List is called up by Task 201 of MIL-STD-882E. The PHL provides a list of hazards that may require special safety design emphasis or hazardous areas where in-depth analyses need to be done. It is compiled very early in the system acquisition life cycle to identify potentially hazardous areas on which to put management emphasis. The PHL is the precursor to the Preliminary Hazard Analysis (PHA).
To this day, so many people are mistaken regarding what constitutes a PHL, and create more work for themselves. If only they had contacted us.
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Perhaps you are curious when the PHL is generated. There are 3 possibilities.
If you are interested in a webinar which covers PHL, click here.