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Key Facts: CDGP Exam
100
Exam Questions
Open-book
3.5 hrs
Exam Duration
IHMM
$560
Total Initial Cost
$185 app + $375 exam
30%
49 CFR Weight
Largest domain
5 years
Experience Required
IHMM
$170/yr
Maintenance Fee
IHMM
The CDGP exam has 100 open-book multiple-choice questions in 3.5 hours. Key domains: US DOT Regulations/49 CFR (30%), International Air Transport/ICAO/IATA (25%), International Maritime/IMDG Code (25%), and UN Model Regulations (20%). Requires 5 years of relevant dangerous goods transportation experience. Four reference texts are allowed during the exam. Annual maintenance fee of $170. Recertification every 5 years.
About the CDGP Exam
The CDGP (Certified Dangerous Goods Professional) exam validates expertise in the transportation of dangerous goods across all modes — domestic (49 CFR), international air (ICAO/IATA), international maritime (IMDG Code), and UN Model Regulations. The exam is open-book, allowing candidates to use four specific reference texts.
Questions
100 scored questions
Time Limit
3.5 hours
Passing Score
Pass/fail (scaled passing score not publicly disclosed)
Exam Fee
$560 ($185 application + $375 exam) (Institute of Hazardous Materials Management (IHMM))
CDGP Exam Content Outline
US DOT Regulations (49 CFR)
Domestic dangerous goods transportation regulations, hazard classification, packaging, marking, labeling, and documentation
International Air Transport (ICAO/IATA)
ICAO Technical Instructions and IATA DGR for air transport of dangerous goods
International Maritime (IMDG Code)
IMDG Code for ocean transport including packaging, stowage, and segregation requirements
UN Model Regulations
UN Recommendations on Transport of Dangerous Goods, classification system, hazard communication, and multi-modal considerations
How to Pass the CDGP Exam
What You Need to Know
- Passing score: Pass/fail (scaled passing score not publicly disclosed)
- Exam length: 100 questions
- Time limit: 3.5 hours
- Exam fee: $560 ($185 application + $375 exam)
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
CDGP Study Tips from Top Performers
Frequently Asked Questions
What is the CDGP certification?
CDGP (Certified Dangerous Goods Professional) is an IHMM certification for professionals who manage the transportation of dangerous goods. It validates knowledge of 49 CFR (DOT), ICAO/IATA (air), IMDG Code (maritime), and UN Model Regulations.
Is the CDGP exam open-book?
Yes, the CDGP exam is open-book. You are allowed to use four specific reference texts: 49 CFR, ICAO Technical Instructions, IMDG Code, and UN Model Regulations. No writing materials or scrap paper are provided during the exam.
What are the prerequisites for the CDGP exam?
You need a minimum of 5 years of relevant experience in dangerous goods transportation. No specific education requirement exists, but you must submit an online application with work history detail and provide third-party employment verification.
How many questions are on the CDGP exam?
The CDGP exam has 100 open-book multiple-choice questions with a 3.5-hour (210-minute) time limit. The passing score is not publicly disclosed. Questions test application of regulations across domestic and international transport modes.
How much does the CDGP certification cost?
The initial cost is $560 ($185 non-refundable application fee + $375 exam fee). There is also an annual certification maintenance fee of $170. Recertification is required every 5 years via documentation or re-examination ($375).