HAZWOPER and HazCom: What’s the difference?
This question came up during a recent webcast and as time was running short, we were only able to give a brief answer. It’s worth explaining in more depth, however, as the “haz” regulations often cause confusion.
First, they’re two different OSHA regulations: Hazardous Waste Operations and Emergency Response (HAZWOPER) is found at 1910.120 and Hazard Communication (HazCom) at 1910.1200.
HazCom says that employees have the right to know about the hazardous chemicals they’re exposed to in the workplace and how to protect themselves from those hazards. The standard defines hazardous chemical as “any chemical which is classified as a physical hazard or a health hazard, a simple asphyxiant, combustible dust, pyrophoric gas, or hazard not otherwise classified.” Further definitions can be found in 1910.1200(c). The standard includes provisions for labels, safety data sheets (SDSs), a written program and chemical inventory, and employee information and training. If your employees are exposed to hazardous chemicals, HazCom applies to you.
HAZWOPER covers employers performing the following work operations:
- Hazardous waste site cleanup operations [1910.120(b) – (o)];
- Operations involving hazardous waste that are conducted at treatment, storage, and disposal (TSD) facilities [1910.120(p)]; and
- Emergency response operations involving hazardous substance releases [1910.120(q)].
Under HAZWOPER, “emergency response” applies specifically to response activities where there’s an uncontrolled release of a hazardous substance, or where an uncontrolled release is likely. Examples include chemical fires, mechanical breakdown in a chemical process, and site preparation uncovering buried hazardous waste. Employers must train emergency response and cleanup workers to clearly understand their role(s) in managing unexpected releases of hazardous substances, so that they can act quickly and respond in a safe manner during an emergency.
Which standard covers incidental spills?
HAZWOPER doesn’t cover accidental or foreseeable releases of hazardous substances limited in quantity and posing no significant safety or health hazard to workers in the immediate area (e.g., a pint bottle of a hazardous chemical dropped and cleaned up by workers in the work area). In these circumstances, employers must follow HazCom requirements. Training for responding to such an incidental spill would include, at a minimum, leak and spill cleanup procedures and the use of appropriate personal protective equipment (PPE).
For more information, see our FAQ: “What is the difference between an incidental spill and an emergency release under the HAZWOPER Standard?” |
What about emergency procedures?
Both HAZWOPER and HazCom have training requirements for emergency procedures. However, the scope and extent of employee training regarding these procedures depend upon the employer’s emergency response plan. If employees are expected to evacuate the work area, their training in emergency procedures could be limited to information on the emergency alarm system in use at the worksite, evacuation routes, and reporting areas.
Employees who are required to respond to spills that have the potential for becoming an emergency are covered by HAZWOPER. In workplaces where there’s a potential for emergencies, the employer’s HazCom training program would have to address the HAZWOPER emergency response plan and/or emergency action plan (EAP). OSHA says training under HazCom can be adapted to encompass all of the required training found in 1910.120(q)(6)(i) - the first responder awareness level - and a single training could be fashioned to satisfy the requirements of both standards.
Key to remember: HazCom and HAZWOPER are two different OSHA regulations, however, they both pertain to hazardous chemicals. Employees expected to clean up incidental chemical spills need training under HazCom, while those expected to provide emergency response to uncontrolled chemical releases must be trained under HAZWOPER.