24-Hour vs 40-Hour HAZWOPER Training: What You Need to Know

Not sure if you need the 24-hour or 40-hour HAZWOPER course? You’re not alone. Whether you’re stepping into a new role around hazardous materials or managing a team that handles dangerous substances, choosing the right OSHA training can feel overwhelming. In this article, we’ll walk you through the major differences between the two HAZWOPER training options so you can stay safe, stay compliant, and avoid costly mistakes.

What Is HAZWOPER Training?

HAZWOPER is an acronym that stands for Hazardous Waste Operations and Emergency Response. It is a set of OSHA-mandated safety training requirements designed to protect workers involved in handling hazardous substances. These regulations, outlined in OSHA standard 29 CFR 1910.120, apply to employees engaged in activities such as hazardous waste cleanup, emergency response operations, and storage or disposal of hazardous materials. The primary goal of HAZWOPER training is to minimize the risk of injury, illness, or death when working in or around contaminated environments. By ensuring that workers understand proper safety protocols, decontamination procedures, and personal protective equipment (PPE) use, HAZWOPER training plays a critical role in promoting compliance, safety, and health in high-risk workplaces.

Who Needs HAZWOPER Training?

HAZWOPER training is required for workers who are routinely exposed to hazardous substances or who may be called upon to respond to uncontrolled releases of hazardous materials. This includes cleanup crews at contaminated sites, emergency response teams, hazardous waste treatment, storage, and disposal facility (TSDF) employees, and hazardous materials handlers in industries like construction, environmental services, manufacturing, and energy. Employers in these sectors are legally obligated under OSHA regulations to ensure that affected employees receive proper training before engaging in hazardous work. Failing to provide HAZWOPER training not only endangers workers’ health and safety but can also result in significant regulatory fines and liability. Ensuring compliance through appropriate training protects both the workforce and the organization from legal and operational risks.

What Is Involved in the 24-Hour and 40-Hour HAZWOPER Training?

Both the 24-hour and 40-hour training programs will instruct you on various aspects of hazardous waste operations:

• 24-Hour HAZWOPER Training: You must complete 24 hours of training and then engage in one day of field experience that is supervised. After the class, you should be able to accomplish tasks such as identifying hazardous materials, identifying principles of toxicology, describing the medical concerns regarding confined spaces, and describing considerations in various emergency situations.
• 40-Hour HAZWOPER Training: You will need to complete 40 hours of training and then receive three days of field experience with supervision. After the training, a few of the tasks that you will be able to complete include identifying various types of radiation and basic radiation hazards, identifying a variety of respiratory equipment, understanding decontamination principles and different levels of decontamination, and understanding and identifying methods of air monitoring.

What Are the Differences Between 24-Hour and 40-Hour Training?

The 24-hour HAZWOPER course is primarily for individuals who will occasionally come in contact with hazardous materials and not be involved in the cleanup operations. This type of training covers broad issues regarding cleanup and identification of hazardous materials. The 40-hour training is for employees who will be working with and cleaning up hazardous materials on a regular basis. This also includes employees who are involved with the storage and treatment of hazardous substances. The additional 16 hours provided in the 40-hour training is geared toward working with hazardous materials. In addition to the 24-hour and 40-hour training, there is an 8-hour course to be taken annually after one of the previous courses has been taken. According to the United States Department of Labor, the 8-hour refresher course may be taken in segments as long as all 8 hours are completed in a timely manner within 12 months from the initial training.

What Happens If You Take the Wrong HAZWOPER Course?

Taking the wrong HAZWOPER course, whether undertraining or overtraining, can lead to serious consequences for both the worker and the employer. Inadequate training puts workers at greater risk of exposure to toxic chemicals, fires, explosions, or other hazardous incidents due to a lack of proper safety procedures. From a legal perspective, OSHA requires workers to receive the appropriate level of HAZWOPER training based on their job duties and risk level. Failure to comply with these requirements can result in OSHA citations, fines, or even work stoppages. If a worker is found to have taken a 24-hour course when a 40-hour course was required, the employer may need to provide corrective actions, such as enrolling the worker in additional training or repeating the full course. To avoid these setbacks, it’s critical to assess job responsibilities and select the right HAZWOPER training from the start.

Do You Need HAZWOPER Refresher Training?

If you’ve completed a 24-hour or 40-hour HAZWOPER course, OSHA requires you to take an 8-hour HAZWOPER refresher course annually to maintain your status. This refresher training ensures that workers stay up to date on safety procedures, changes in regulations, and the proper use of personal protective equipment (PPE). Anyone with current HAZWOPER training who continues to work in hazardous environments must complete the refresher course every 12 months. If you miss the annual deadline, OSHA does allow for a brief grace period, but workers may be required to retrain or demonstrate competency through additional coursework or testing. Staying compliant with refresher training not only protects your safety but also keeps your credentials valid and job-ready.

Start Today With OSHAcampus

Considering that a single mistake regarding hazardous substances can have disastrous results, it's imperative to receive the best training possible. You need a comprehensive online training program that meets all expected standards. 360training.com offers a wide variety of training solutions to meet the requirements of OSHA, MSHA, and other safety agencies. We also offer various options for HAZWOPER training, including HAZWOPER 24-Hour, HAZWOPER-40, and the HAZWOPER 8-Hour annual refresher. Visit our website to get started today!