what environmental control plan pertains to replacing unsafe, unhealthy working conditions or practices with safer, healthenhancing policies, programs, and management practices that improve the culture of safety and health in the workplace.

The plan you’re describing is the Substitute step in the Hierarchy of Controls Applied to NIOSH Total Worker Health. It focuses on replacing unsafe, unhealthy working conditions or practices with safer, health-enhancing policies, programs, and management practices that improve the culture of safety and health in the workplace.

Quick Scoop

This approach sits in the middle of the Hierarchy of Controls and is aimed at making the workplace healthier at an organizational level, not just asking individual workers to be more careful. For example, it can include encouraging reports of unsafe work practices without fear of reprisal and improving workplace food options.

Why it matters

The idea is to move beyond hazard-only thinking and build a stronger safety culture through policies and management changes. That is why it is often discussed alongside broader environmental, health, and safety management systems that use structured plans, training, and continuous improvement.

In plain language

If a workplace has a harmful practice, the “substitute” response is to replace it with a safer one rather than simply warning people to be careful. That makes it different from basic personal protection because it changes the system itself.

Bottom line: the answer is Substitute , from the Hierarchy of Controls / Total Worker Health framework.