Which of the following BEST defines 'inherently safer design' (ISD) as applied to fire and explosion risk in chemical process facilities?
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A
Adding more layers of protection (sprinklers, gas detectors, deluge) to a high-hazard process
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B
Eliminating or reducing hazards at their source—by substituting less hazardous materials, minimizing inventories, or moderating process conditions—rather than controlling them
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C
Designing equipment to meet the highest applicable pressure vessel code
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D
Relying on passive fire protection (fireproofing, fire walls) instead of active suppression