24-Hour & 40-Hour HAZWOPER Training, & 8-Hour HAZWOPER Refresher in Colorado
If you have ever stepped onto a jobsite in Colorado where chemicals, waste materials, or unknown substances are present, you already know how quickly things can go sideways. One mistake, one missed detail, and the consequences can be serious.
That is exactly why HAZWOPER training exists.
Whether you are working in oil and gas fields near Greeley, supporting environmental cleanup in Denver, or maintaining industrial systems in Pueblo, OSHA requires proper training before you are exposed to hazardous substances.
At HAZWOPER Center, we provide Colorado workers with 24-hour HAZWOPER training, 40-hour HAZWOPER certification, and 8-hour HAZWOPER refresher courses online. The training is practical, compliant, and built around real situations you are likely to face on the job.
Table of Contents
40-Hour HAZWOPER Training in Colorado
The 40-hour HAZWOPER course is the most comprehensive level of training. It is required for workers who face direct exposure to hazardous substances.
This typically includes:
- Cleanup crews working on contaminated sites
- Emergency responders dealing with uncontrolled releases
- Workers handling hazardous materials directly
In this course, you will cover:
- Hazard recognition and toxic exposure basics
- Personal protective equipment selection and use
- Respiratory protection concepts
- Site safety planning and hazard control
- Decontamination procedures
- Emergency response fundamentals
After completing the 40-hour HAZWOPER training online, workers must receive site-specific field training under supervision before full authorization to work.
This level is common across Colorado’s energy fields, industrial sites, and environmental projects.
24-Hour HAZWOPER in Colorado
The 24-Hour HAZWOPER training is designed for workers with limited exposure to hazardous substances under controlled conditions.
This may apply to:
- Support personnel at regulated facilities
- Workers who do not directly handle hazardous waste
- Employees working in lower-risk environments
The training focuses on hazard awareness, safe practices, and regulatory basics.
Many roles in Colorado’s industrial and infrastructure sectors fall into this category.
8-Hour HAZWOPER Refresher in Colorado
If you have already completed your initial training, OSHA requires an 8-hour HAZWOPER refresher each year.
This refresher helps you stay current and reinforces:
✓ Hazard awareness and risk recognition
✓ Proper use of protective equipment
✓ Emergency response procedures
✓ Lessons learned from real incidents
If your certification lapses, your employer may require you to retake the full 24-hour or 40-hour course.
The 8-hour HAZWOPER refresher is available online, making it easier to stay compliant without interrupting your work schedule.
Why Colorado Employers Choose
HAZWOPER Center
There are plenty of courses out there. What matters is whether the training actually prepares you for real situations. At HAZWOPER Center, the focus is on practical knowledge, not just checking a box. Our courses are built by professionals who understand how hazardous environments operate. The material reflects real jobsite conditions, not abstract theory.
Students choose us because:
- Training aligns with OSHA standards
- Content is clear and easy to follow
- Courses are accessible on your schedule
- Certificates are available immediately after completion
If you have questions along the way, support is available. You are not left figuring things out on your own.
What is HAZWOPER Training and Who Should Take HAZWOPER Training in Colorado
What Is HAZWOPER Training
HAZWOPER stands for Hazardous Waste Operations and Emergency Response. It is the OSHA standard that sets the training requirements for workers exposed to hazardous substances.
This applies to:
- Hazardous waste cleanup operations
- Treatment, storage, and disposal facilities
- Emergency response teams
- Industrial worksites where chemical exposure is possible
The goal is simple. You need to recognize hazards, protect yourself with the right equipment, and respond correctly if something goes wrong.
HAZWOPER certification confirms that you have completed the required training and are prepared to work safely under OSHA guidelines.
Who Needs HAZWOPER Training in Colorado
Colorado has a wide mix of industries where hazardous exposure is part of the job. Oil and gas production, environmental remediation, manufacturing, and infrastructure projects all create real risks.
You likely need HAZWOPER training if you are:
- Working in oil and gas operations in the Denver-Julesburg Basin
- Part of a hazardous waste cleanup or environmental remediation crew
- Employed at a treatment, storage, or disposal facility
- Responding to chemical spills or emergency releases
- Maintaining industrial equipment around hazardous materials
- Supervising teams in high-risk environments
Employers are responsible for assigning the correct level of training, but workers benefit from knowing what is required before stepping onto a jobsite.
Colorado Industries That Require HAZWOPER
Certain industries in Colorado consistently require HAZWOPER certification:
Oil and Gas
Drilling, production, and servicing operations often involve hazardous exposure risks.
Environmental Cleanup
Remediation projects and contaminated site work require trained personnel.
Manufacturing and Industrial Facilities
Chemical handling and waste processing demand proper training.
Emergency Response
Teams responding to hazardous material incidents rely on HAZWOPER knowledge.
Infrastructure and Utilities
Pipeline maintenance, construction, and repair work can involve hazardous substances.
If your work involves potential exposure, HAZWOPER training is a critical step in protecting yourself and your team.
Areas Served
Colorado is not a one-industry state. The type of work happening in the mountains looks very different from what you see along the Front Range or out on the plains. That matters when it comes to HAZWOPER training, because hazards change depending on the environment. From oil and gas fields to legacy mining sites, workers across Colorado face situations where hazardous substances are part of the job.
Along the Front Range, cities like Denver, Fort Collins, and Colorado Springs are surrounded by industrial development, infrastructure projects, and environmental cleanup efforts. The Denver-Julesburg Basin, one of the most active oil and gas regions in the country, sits just northeast of Denver and supports thousands of workers who rely on proper HAZWOPER certification. Move north toward Greeley, and you are in the center of Colorado’s oil and gas production activity. Drilling operations, well servicing, and pipeline work all bring potential exposure to hazardous materials.
Head south to Pueblo, and you will find steel manufacturing and industrial operations where chemical handling and waste management are part of daily work. These environments require workers who understand how to identify and respond to hazards. In the western part of the state, areas like Grand Junction and the Piceance Basin are tied to natural gas production and energy development. Workers in these regions often deal with remote job sites, which makes preparation and training even more important.
Colorado Cities
- Boulder, CO
- Castle Rock, CO
- Colorado Springs, CO
- Denver, CO
- Fort Collins, CO
- Grand Junction
- Greeley, CO
- Fort Collins, CO
- Grand Junction
- Greeley, CO
Serving the surrounding areas and throughout the US.
Frequently Asked Questions
What is HAZWOPER certification
HAZWOPER certification confirms that a worker completed OSHA required hazardous waste operations training. Certification is based on completing either the 24 hour or 40 hour HAZWOPER course and, when applicable, annual refresher training.
How long is HAZWOPER certification valid
Workers must complete an 8 hour HAZWOPER refresher every 12 months to maintain current certification.
Can I take 40 hour HAZWOPER training online in Colorado?
Yes. The classroom portion can be completed online. OSHA also requires site specific field training supervised by a qualified professional before full authorization to work.
Who needs 24 hour HAZWOPER training instead of 40 hour
Workers with limited exposure to hazardous substances under controlled conditions typically complete the 24 hour course. Employers determine the correct level based on job duties.
Is online HAZWOPER training OSHA compliant
Yes, online HAZWOPER training is compliant when it meets OSHA content requirements and is supplemented with required hands on instruction by the employer.
Related Articles
OSHA Fall Protection Training Requirements in Alaska: Cold Weather & Remote Worksite Considerations
OSHA Fall Protection Training in Alaska, and Nationwide Anyone who has worked in Alaska knows that every routine task can
Who Needs H2S Training? OSHA Requirements by Industry
H2S Training in Oklahoma, Colorado, Minnesota, Oregon, Texas, and Nationwide Some workplace hazards are obvious the moment they appear. Hydrogen
How Long is Your H2S Certification Good For? Requirements to Stay Certified and Educated
H2S Certification in Oklahoma, North Dakota, Illinois, Washington, Colorado, Texas, and Nationwide The first time someone explains hydrogen sulfide, it
Hazwoper Center Headquarters
2088 Estero Blvd 3E
Ft Myers Beach, FL 33931
7805 Shady Oaks Drive
North Richland Hills, TX 76182
OSHA Colorado Area Office
Check out the OSHA Colorado Area Offices for more information. These federal OSHA offices cover private-sector employers and workers in Colorado.
Denver Area Office
1391 Speer Boulevard, Suite 210
Denver, CO 80204
Amanda Kupper, Area Director, Denver Area Office.
Contact: 303-844-5285
Englewood Area Office
7935 East Prentice Avenue, Suite 209
Englewood, CO 80111-2714
Chad Vivian, Area Director, Englewood Area Office.
Contact: 303-843-4500
Undergraduate Programs in Colorado
There are several undergraduate safety programs available in Colorado. They include but are not limited to:
Red Rocks Community College: Associate of Applied Science in Fire Science Technology
Red Rocks Community College’s associate degree in fire science technology offers courses in firefighter I, fire behavior and combustion, building construction for fire, fire prevention, and principles of code enforcement, for example.
Colorado State University: Bachelor of Science in Fire and Emergency Services Administration
The Fire and Emergency Services Administration (FESA) program at Colorado State University prepares you for promotion in your field. They can help fire officers develop their careers and prepare themselves to be successful leaders.
Aims Community College: Associate of Applied Science in Fire Science Technology
Aims Community College’s Associate of Applied Science in Fire Science Technology degree is perfect for entry-level firefighters as well as for those seeking more education.