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Module 1: Regulations - International Association of Fire Fighters

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IAFF Training for Hazardous Materials: Technician© Student Text<br />

Column 5 - Packing Group.<br />

Column 5 lists packing groups assigned to hazardous<br />

materials. Three packing groups are authorized by the U.S.<br />

DOT as:<br />

I Great danger<br />

II Moderate danger<br />

III Minor danger<br />

However, hazardous materials in class 2, 7, and ORM-D<br />

will not have a packing group. Packing groups must always<br />

be communicated using Roman Numerals.<br />

Column 6 - Required Labels.<br />

Column 6 specifies required hazard warning labels. The<br />

first label shown for each entry is the primary hazard label.<br />

Other labels indicated are subsidiary hazard labels and must<br />

not carry the number in the bottom corner.<br />

Hazardous Materials Packing Groups Labels Required<br />

Shipping Names 2 5 unless excepted 6<br />

Acetone II Flammable Liquid<br />

Corrosive Liquid, N.O.S. I Corrosive<br />

II<br />

III<br />

Methylhydrazine I Poison, Flammable Liquid,<br />

Corrosive<br />

Nitric Acid, Red Fuming I Corrosive, Oxidizer, Poison<br />

Sulfuric Acid II Corrosive<br />

Column 7 - Special Provisions.<br />

Column 7 specifies special provisions which are described<br />

below. Special provisions are listed and defined in 49 CFR<br />

172.102. The special provision can consist <strong>of</strong> both a letter<br />

and a number. The letter part <strong>of</strong> the provision identifies the<br />

applicable mode <strong>of</strong> transportation. The number indicates<br />

the position in the list. Use the following key to determine<br />

applicability <strong>of</strong> the special provisions during shipment.<br />

1-22 <strong>Module</strong> 1: <strong>Regulations</strong>

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