OSHA HAZWOPER 40-Hour

OSHA's 40-hour HAZWOPER course prepares workers for hazardous waste operations and emergency response under 29 CFR 1910.120. This PrepPass study set is completion-based practice to reinforce the fundamentals, not a proctored pass/fail exam.

▶ Free practice questions
Untimed practice with an explanation on every question — no signup.
🎯 Timed mock exam
A full-length, timed simulation with a score report and your weak areas.
📖 Study guide
Every exam topic explained, chapter by chapter.
🔍 Browse all questions
Read every question and answer by topic — great for review.

What the OSHA HAZWOPER 40-Hour exam covers

17%
Hazard Recognition & Toxicology
exposure routes, IDLH, PEL/TLV, monitoring
17%
PPE Use & Selection
EPA Levels A-D, respirators, protective clothing
17%
Safe Work Practices & Engineering Controls
buddy system, work zones, confined space
17%
Decontamination & Emergency Response
decon lines, ERP, incident command
16%
Medical Surveillance
baseline/periodic exams, exposure records
16%
Site Safety & Health Personnel
HASP/SSHP, roles, training

These practice questions are AI-assisted study material, written from the official content outline — for practice only, not official exam questions. Always confirm current exam details with OSHA — 29 CFR 1910.120.

Frequently asked questions

Is PrepPass's OSHA HAZWOPER 40-Hour practice free?

Yes — every OSHA HAZWOPER 40-Hour practice question, study guide, and lesson on PrepPass is free, and a full timed mock exam is included at no cost.

How many OSHA HAZWOPER 40-Hour practice questions does PrepPass have?

PrepPass currently has 22 original OSHA HAZWOPER 40-Hour practice questions across 6 topic areas, and every question comes with a written answer explanation.

What languages is PrepPass's OSHA HAZWOPER 40-Hour prep available in?

English, 中文 (Chinese), Español (Spanish), and Tiếng Việt (Vietnamese).

How are PrepPass's OSHA HAZWOPER 40-Hour questions written?

They are original questions written by PrepPass from public-domain statutes and official exam blueprints — never copied from the real exam. Read our question methodology →

Is PrepPass affiliated with the licensing board or exam provider?

No. PrepPass is an independent study resource and is not affiliated with, endorsed by, or connected to any licensing board or official exam provider.

Can I practice OSHA HAZWOPER 40-Hour on my phone?

Yes — PrepPass runs in any mobile or desktop web browser, with no app to download.

Report