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Complete HAZWOPER Training Guide: OSHA Requirements, Certification Levels, and State Regulations for Hazardous Waste Workers (29 CFR 1910.120)


Before you can safely enter or begin work in an uncontrolled hazardous waste operation, OSHA requires proper HAZWOPER training (Hazardous Waste Operations and Emergency Response) to ensure workers understand how to handle toxic chemicals, hazardous substances, and emergency spill situations safely.

HAZWOPER training is not one-size-fits-all. Under OSHA Standard 29 CFR 1910.120 (for General Industry), workers must complete different levels of training based on job responsibilities, exposure risk, and site duties. This ensures compliance with federal OSHA regulations and EPA-aligned safety protocols.

Additionally, several OSHA State Plan States operate their own approved safety programs, which often meet or exceed federal HAZWOPER requirements, enforcing stricter workplace safety standards for hazardous waste operations.

Federal OSHA governs the HAZWOPER Standards for both the Construction and General industries under 29 CFR 1926.65 and 29 CFR Part 1910.120, respectively.

Please view the 27 OSHA Plan States for more information on state-level OSHA-approved programs that may have enhanced or additional safety requirements compared to federal standards.

HAZWOPER Training Sequence

There are three levels of HAZWOPER training as listed by Federal OSHA and State-level training requirements. Within these three levels, various job functions have specific training requirements.

HAZWOPER LOGO

WHAT ISHAZWOPER TRAINING?

WHO NEEDS TRAINING?

LEVEL 1: SITE CLEAN-UP (e)
General Site Workers (40-Hr)
Init: 40h Reg + 3d exp. Ref: 8h Reg.
Cite: (e)(3)(i) | Infographic ↗
Occasional Workers (24-Hr)
Init: 24h Reg + 1d exp. Ref: 8h Reg.
Cite: (e)(3)(ii)
Management/Supervisors
Init: (40h/24h) + 3d exp + 8h Sup Reg. Ref: 8h Reg.
LEVEL 2: TSD FACILITIES (p)
TSD Site Workers (24-Hr)
Init: 24h Reg. Ref: 8h Reg.
Cite: (p)(7)(i) | Infographic ↗

5 LEVELS OF RESPONSE (q)

LEVEL 3: EMERGENCY RESPONDERS
1
First Responder Awareness
Comp-based. Ref: Comp-based Soon
Cite: (q)(6)(i) | Infographic ↗
2
First Responder Operations (8-Hr)
Init: 8-Hours. Refresher: Comp-based Soon
Cite: (q)(6)(ii)
3
Hazardous Materials Technician (24-Hr)
Init: 24-hours. Refresher: Comp-based Soon
Cite: (q)(6)(iii)
4
Hazardous Materials Specialist
Init: Tech Level Competencies.
Cite: (q)(6)(iv)
5
Incident Commander (24-Hr + Ops)
Init: 24h equal to Ops.
Cite: (q)(6)(v)

WHAT HAZWOPER PROGRAMS ARE AVAILABLE?

HAZWOPER 40-HOUR
  • For individuals with regular exposure to hazardous materials.
  • Includes 24-hour topics and in-depth coverage.
HAZWOPER 24-HOUR
  • For workers with occasional visits to hazardous sites.
  • Covers hazard assessment, PPE, and response.
HAZWOPER 8-HOUR
  • Initial supervisor and refresher courses.
  • Focuses on hazard recognition and procedures.
Published on: April 28, 2026

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