California Hazardous Materials Practice Test 2026
An endorsement examination covering regulated hazardous-material identification, shipping papers, placarding, loading, segregation, routing and emergency response.
What Is the California Hazardous Materials Practice Test?
An endorsement examination covering regulated hazardous-material identification, shipping papers, placarding, loading, segregation, routing and emergency response.
This test is for California CDL holders or applicants who need the H endorsement to transport placardable hazardous materials. Tank-plus-HazMat operations may require the X endorsement.
Who is this test for?
This test is for California CDL holders or applicants who need the H endorsement to transport placardable hazardous materials. Tank-plus-HazMat operations may require the X endorsement.
When is it required?
Required for an H or X endorsement. Federal requirements also include HazMat ELDT for covered first-time applicants and a TSA Security Threat Assessment.
- Practice questions
- 30
- Passing target
- 80%
- Recommended readiness
- 90%+
- Price
- Free
- Explanations
- Immediate
- Official exam?
- No
Topics Covered on This Test
Driver, shipper and carrier responsibilities
Hazard classes and identification numbers
Shipping descriptions and emergency information
Package markings and labels
Placard tables and display rules
Loading, bracing and cargo segregation
Portable tanks, cargo tanks and cylinders
Smoking, fueling and attendance restrictions
Railroad crossings, routing and parking
Tire inspection requirements
Leaks, spills, collisions and emergency response
Security plans and TSA threat assessment
Requirements
- ✓ Hold a valid California noncommercial driver license or meet California DMV application requirements.
- ✓ Submit a California driver license/CDL application and required identity, Social Security, residency and lawful-presence documents.
- ✓ Meet applicable vision, medical self-certification and DOT medical-certificate requirements.
- ✓ Pay current California DMV application, testing and endorsement fees.
- ✓ Pass every knowledge test required for the requested CDL class, brake system and endorsements with at least the applicable passing standard.
- ✓ Use the current California Commercial Driver’s Handbook and confirm requirements directly with California DMV.
- ✓ Complete applicable first-time HazMat ELDT theory through an FMCSA Training Provider Registry provider before the knowledge test.
- ✓ Complete the TSA Hazardous Materials Endorsement Security Threat Assessment and satisfy citizenship or immigration-status documentation rules.
- ✓ Maintain the endorsement through required renewal, threat-assessment and state procedures.
How to Prepare
- 1Complete HazMat ELDT first when federal rules apply.
- 2Learn all nine hazard classes and the shipping-description sequence.
- 3Practice using placard and segregation tables in the handbook.
- 4Know where shipping papers must be kept in and outside the cab.
- 5Study emergency actions; never guess during a spill or leak scenario.
Take the 30-Question Test
Answer every question. You will receive immediate feedback and a handbook-based explanation before moving forward.
Hazardous Materials Practice Test
What identifies a shipment's hazard class and ID number?
Frequently Asked Questions
Is ELDT required for HazMat?+
Covered applicants seeking an H endorsement for the first time must complete HazMat theory training before taking the state knowledge test.
Do I need a background check?+
Yes. The TSA Security Threat Assessment is a separate federal requirement for the endorsement.
What is an X endorsement?+
It combines Tank Vehicle and Hazardous Materials authority when all requirements for both are met.
How many practice questions are included?+
Exactly 30 questions.
Can a CLP carry placarded HazMat?+
A commercial learner’s permit does not authorize normal placarded hazardous-material operation; verify all restrictions with DMV and federal rules.
Verify official requirements.
This is a practice resource, not the California DMV examination. Requirements, fees and procedures can change. Confirm current information with California DMV and the official handbook.