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Hazmat class viewer

What each DOT hazard class covers, examples, placarding threshold and common mistakes.

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Hazard classPick a class to view.

For the load check8 more, filled with typical values

Table 1 material in the load?Table 1: Divisions 1.1-1.3, 2.3, 4.3, 5.2 Type B temperature controlled, 6.1 inhalation hazard, Class 7 Yellow III.Table 2 hazmat on the vehicle (lb aggregate gross)Gross weight of all Table 2 hazmat on the vehicle, every class together.This class loaded at one facility (lb gross)Gross weight of this class loaded at one place, for the DANGEROUS placard limit.Bulk packaging?Bulk: a cargo tank, portable tank or other packaging the regulations class as bulk; check the definition in 49 CFR 171.8.Identification numberUN or NA number from the Hazardous Materials Table.Proper shipping nameExactly as in the Hazardous Materials Table.Packing groupFrom the Hazardous Materials Table; some materials have none.Emergency response phoneMonitored at all times while the material moves.

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How it works

Pick a hazard class and press Show to open its drawer.

The class's drawer: a compartment per divisionLocked drawers: classes to keep it fromScale set-point: the placarding thresholdPick a class and press Show: its drawer slides out with one compartment per division, a package lands on the scale for each example, the scale's set-point swings to the placarding threshold and the placard on top flips up when one is needed. The class's own text appears here.

Result

Ready when you are.Enter your numbers and press Show.

References

Check the work against these

A load check for one shipment: whether placards are required and which, the DANGEROUS placard option, and the shipping paper entry in the required order. Numbers in the result and in the plain-words read point here.

1
49 CFR 172.504, General placarding requirementsCode
Legal Information Institute, Cornell Law School
Tables 1 and 2, the exception for under 454 kg (1,001 lb) of Table 2 materials, the DANGEROUS placard and its 1,000 kg (2,205 lb) one-facility limit, bulk packagings, and no CLASS 9 placard for domestic moves.
2
49 CFR 172.202, Description of hazardous material on shipping papersCode
Legal Information Institute, Cornell Law School
The basic description in order: identification number, proper shipping name, hazard class or division, packing group, plus the total quantity with its unit.
3
49 CFR 172.604, Emergency response telephone numberCode
Legal Information Institute, Cornell Law School
The number on the shipping paper must be monitored at all times the material is in transportation and answered by someone who knows the material, not an answering service.
4
49 CFR 177.848, Segregation of hazardous materialsCode
Legal Information Institute, Cornell Law School
The segregation table for highway loads: which classes may not be loaded together (X) and which need separation so a leak can't mix them (O).

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Hazmat class viewer

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