200+ Free CHMM Practice Questions
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Key Facts: CHMM Exam
140
Total Exam Questions
IHMM Candidate Handbook
700/1000
Passing Score (Scaled)
IHMM CHMM Program
3 hours
Exam Duration
IHMM Candidate Handbook
$360
Exam Fee
IHMM 2026
12
Content Domains
IHMM Blueprint
10.71%
Largest Domains (3)
Planning/Shipping/H&S
The IHMM CHMM exam consists of 140 multiple-choice questions delivered over 3 hours. The passing score is 700 on a 1000-point scaled scale. The exam covers 12 content domains ranging from planning and shipping (10.71% each) to storage, facility operations, health/safety (10.71%), and disposition (8.57%). Exam fee is $360. Eligibility requires a bachelor's degree and 4+ years of relevant experience (or advanced degree with 3+ years).
About the CHMM Exam
The CHMM certification from IHMM validates expertise in hazardous materials management including planning, shipping and transport, storage, facility operations, disposition, record keeping and reporting, training personnel, emergency response and recovery, remediation, management systems, environmental studies, and health and safety compliance.
Questions
140 scored questions
Time Limit
3 hours
Passing Score
700/1000 (scaled)
Exam Fee
$360 (IHMM (Institute of Hazardous Materials Management))
CHMM Exam Content Outline
Planning and Management of Hazardous Materials
Hazard identification, waste characterization, GHS classification, SDS interpretation, exposure assessment, chemical compatibility, risk evaluation
Shipping and Transporting Hazardous Materials
DOT regulations, hazard classes, shipping papers, placarding, marking/labeling, ERG usage, modal transport requirements
Storage of Hazardous Materials
Secondary containment, segregation, RCRA tank standards, container management, inspection requirements, storage limits
Facility Operations
Process safety management, SPCC plans, inventory management, maintenance procedures, operational controls
Disposition of Hazardous Materials
RCRA treatment/disposal, recycling, manifesting, TSDF requirements, waste minimization, pollution prevention
Record Keeping and Reporting
EPCRA Tier II, TRI reporting, biennial reports, manifest tracking, training documentation, regulatory submissions
Training of Personnel
HAZWOPER, RCRA training, DOT training, refresher requirements, competency assessment, training plans
Response and Recovery
Emergency planning, spill response, incident command, NIMS, notifications, containment/cleanup, post-incident analysis
Remediation
Site characterization, remediation technologies, RCRA corrective action, CERCLA response, risk-based cleanup
Management Systems
ISO 14001, auditing, compliance assurance, corrective actions, continuous improvement, management review
Environmental Studies
Fate and transport, site assessment, environmental monitoring, sampling procedures, data quality objectives
Health and Safety
Industrial hygiene, PPE selection, exposure monitoring, medical surveillance, IH sampling, OSHA compliance
How to Pass the CHMM Exam
What You Need to Know
- Passing score: 700/1000 (scaled)
- Exam length: 140 questions
- Time limit: 3 hours
- Exam fee: $360
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
CHMM Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the CHMM exam?
The IHMM CHMM exam contains 140 multiple-choice questions. All questions are scored — there are no unscored pretest items on the CHMM exam.
What score do I need to pass the CHMM exam?
The CHMM exam uses a scaled scoring system where 700 out of 1000 is the passing score. Your raw score is converted to this scaled score to account for slight variations in exam difficulty across different forms.
How long is the CHMM exam and where is it taken?
The CHMM exam is 3 hours long and is delivered via computer-based testing at Pearson VUE testing centers nationwide and internationally. Candidates must complete the exam within the time limit.
What are the eligibility requirements for CHMM?
CHMM candidates must have a bachelor's degree (or higher) from an accredited institution plus at least 4 years of relevant hazardous materials management experience. Candidates with advanced degrees may qualify with 3 years of experience. All experience must be documented and verifiable.
What is the largest domain on the CHMM exam?
Three domains are tied at 10.71%: Planning and Management of Hazardous Materials, Health and Safety, and Shipping and Transporting. Together with Storage and Facility Operations (9.29% each), the top five domains account for over 50% of exam content.
How should I prepare for the CHMM exam?
Focus on the major regulations: RCRA (40 CFR 260-279), DOT (49 CFR 100-185), OSHA HazCom and HAZWOPER (29 CFR 1910.120), CERCLA/SARA Title III, and TSCA. Master waste characterization, shipping paper requirements, container management, and emergency response procedures. Use our 200+ practice questions covering all 12 domains.
How much does the CHMM exam cost?
The CHMM exam fee is $360 as of 2026. Additional fees may apply for rescheduling or international testing. Certification maintenance requires continuing education and a recertification fee every 5 years.
What regulations are covered on the CHMM exam?
The CHMM exam extensively tests RCRA hazardous waste regulations, DOT hazardous materials transportation, OSHA worker protection standards, CERCLA/SARA emergency planning and response, TSCA chemical regulations, SPCC oil spill prevention, and PSM process safety management.