Program 3 sources must compile written PSI before conducting any PHA, covering: hazards of regulated substances (toxicity, physical/reactivity data, inadvertent mixing effects), process technology (flow diagrams, safe operating limits, consequences of deviation), and equipment information (P&IDs, relief system design, materials of construction, applicable codes).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.