SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/cdl-hazmat-table-one-materials

When do Placard Table 1 materials need placards?

Any amount.

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  1. Only at 1,001 pounds or more
  2. Never, they use labels only
  3. Whenever any amount is hauled ✔

Why: Table 1 is for the most dangerous materials, such as Division 1.1 to 1.3 explosives and Division 2.3 poison gas. Any amount needs placards.

Huh, didn't know that: Table 1 also includes Division 4.3 dangerous when wet materials.

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Why is Table 1 always invited? It never needs a reason to show up.
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References

Answer: Whenever any amount is hauled. Table 1 is for the most dangerous materials, such as Division 1.1 to 1.3 explosives and Division 2.3 poison gas. Any amount needs placards.

  1. California Commercial Driver Handbook (DMV) www.dmv.ca.gov/portal/file/california-commercial-driver-handbook-pdf
    Table 1 materials must be placarded whenever any amount is transported.
    Checked 2026-10-10.

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