What is the primary difference between process safety and personal safety?

• A. Process safety focuses on preventing major releases; personal safety focuses on individual injuries.
• B. Process safety focuses on reducing worker fatigue; personal safety ensures fire prevention.
• C. Process safety is about regulatory compliance; personal safety is about environmental protection.
• D. Process safety concerns only chemical plants; personal safety concerns only office environments.

Answer: (A)

The main idea is the scope of risk each discipline targets. Process safety looks at the systems and events that could cause a major release or other catastrophic incident from a chemical process—things like runaway reactions, over-pressurization, or large explosions that could affect many people and the surrounding environment. Personal safety, by contrast, concentrates on protecting individual workers from everyday hazards and injuries through safe work practices, training, and proper protective equipment.

So, the best description is that process safety aims to prevent major releases, while personal safety aims to prevent personal injuries. For example, process safety would address design and operating controls, integrity of vessels, and hazard analyses to avert a large-scale release. Personal safety would address slips, trips, burns, and other injuries that can happen to a worker in day-to-day tasks.

The other options don’t fit because they mix unrelated topics or overgeneralize. Fatigue and fire prevention aren’t the defining contrast between process safety and personal safety. Regulatory compliance vs environmental protection misses the core distinction between preventing large-scale process hazards and protecting individuals. And saying process safety applies only to chemical plants or personal safety only to offices ignores the broader scope of both concepts across many industries and settings.