Hazmat guides
Practice questions
About the exam
- How to Get a Hazmat EndorsementHow to get the CDL hazmat (H) endorsement: CDL, entry-level hazmat theory training, the TSA threat assessment and fee, the knowledge test and renewal.
- Hazmat vs. Tanker Endorsement: H, N and XThe difference between the CDL hazmat (H), tanker (N) and combined (X) endorsements, who needs which, and what each one takes to get.
Topics
- Hazmat Cargo Tank RulesHazmat cargo tank rules for the CDL test: ID number markings, outage, attending a tank within 25 feet during loading, valves, grounding and liquid surge.
- Hazmat Emergencies and the ERGWhat to do in a hazmat crash, fire or leak, how the Emergency Response Guidebook (ERG) works and when to call the National Response Center, with practice questions.
- The 9 Hazmat Hazard Classes and DivisionsThe nine hazardous materials classes and their divisions, with the examples the CDL manual uses, flash points and packing groups, plus free practice questions.
- Hazmat Parking and Attending RulesHazmat parking and attending rules for the CDL test: what attended means, the 5-foot and 300-foot rules for explosives, safe havens and open fires.
- Hazmat Placards: Table 1, Table 2 and the 1,001-Pound RuleWhen a vehicle needs hazmat placards: Table 1 vs Table 2, the 1,001-pound rule, the DANGEROUS placard, placement and ID numbers, with free practice questions.
- The Hazmat Segregation Table, ExplainedHow to read the hazmat segregation table (49 CFR 177.848), the key forbidden combinations, Class 1 and Class 7 loading rules and the Transport Index.
- Hazmat Shipping PapersWhat a hazmat shipping paper must show, the order of the basic description, emergency response information and where to keep the papers in the cab.
- Hazmat Driving RulesHazmat driving rules for the CDL test: stopping 15 to 50 feet from railroad tracks, routes and tunnels, tire checks, smoking, fueling and the fire extinguisher.