H endorsement: placarding, shipping papers and the segregation table.
Most Hazardous Materials questions are the same federal material in every state. One question in the app is written for Arizona alone, from the Arizona Commercial Driver License Manual (40-7802, Customer Service Guide for Commercial Drivers).
After passing the skills test the applicant may take a CDL without the hazmat endorsement, then return to a designated office once the security threat assessment is approved. The assessment lasts five years and MVD warns 60 days before it expires.
One example, answer shown. Practicing the rest happens in the app.
Table 2 materials need placards once the aggregate gross weight, including packaging, reaches 1,001 pounds. Table 1 materials must be placarded in any amount.