Page 67 - 2021-2022 Commercial Drivers Manual

SECTION 9 : HAZARDOUS MATERIALS

class or division, identification number, packag- • Amount of all hazardous materials of all
ing group, and required labels. classes on your vehicle.
Six different symbols may appear in Column Column 4 lists the identification number for
1 of the table.
each proper shipping name. Identification num-

(+) – Shows the proper shipping name, haz- bers are preceded by the letters “UN” or “NA.”
ard class, and packing group to use, The letters “NA” are associated with proper

even if the material doesn’t meet the shipping names that are only used within the

hazard class definition. United States and to and from Canada. The
identification number must appear on the ship-

(A) – Means the hazardous material de- ping paper as part of the shipping description

scribed in Column 2 is subject to the and also appear on the package. It also must
HMR only when offered or intended appear on cargo tanks and other bulk packag-
for transport by air unless it is a haz- ing. Police and firefighters use this number to
ardous substance or hazardous waste.
quickly identify the hazardous materials.
(W) – Means the hazardous material de- Column 5 shows the packing group (in Ro-

scribed in Column 2 is subject to the man numeral) assigned to a material.
HMR only when offered or intended Column 6 shows the hazard warning label(s)
Examples of HAZMAT Placards for transportation by water unless it shippers must put on packages of hazardous

Figure 9.3 is a hazardous substance, hazardous materials. Some products require use of more
waste, or marine pollutant. than one label due to a dual hazard being
present.

(D) – Means the proper shipping name is
on-point, in a diamond shape. Cargo tanks and Column 7 lists the additional (special) provi-
other bulk packaging display the identification appropriate for describing materials sions that apply to this material. When there is
number of their contents on placards or orange for domestic transportation, but may an entry in this column, you must refer to the
panels or white square-on-point displays that not be proper for international trans- federal regulations for specific information. The
are the same size as placards. portation. numbers 1-6 in this column mean the hazardous

Identification numbers are a four-digit code (I) – Identifies a proper shipping name that material is a poison inhalation hazard (PIH).

used by first responders to identify hazardous is used to describe materials in inter- PIH materials have special requirements for
materials. An identification number may be national transportation. A different shipping papers, marking, and placards.

used to identify more than one chemical. The shipping name may be used when only Column 8 is a three-part column showing
letters “NA or “UN” will precede the identifica- domestic transportation is involved. the section numbers covering the packaging
tion number. The United States Department of requirements for each hazardous material.

Transportation’s Emergency Response Guide- (G) – Means this hazardous material de- NOTE: Columns 9 and 10 do not apply to

book (ERG) lists the chemicals and the identi- scribed in Column 2 is a generic ship- transportation by highway.
fication numbers assigned to them. ping name. A generic shipping name
must be accompanied by a technical Appendix A to 49 CFR 172.101 - The List
There are three main lists used by shippers, of Hazardous Substances and Reportable
carriers, and drivers when trying to identify name on the shipping paper. A tech-

hazardous materials. Before transporting a nical name is a specific chemical that Quantities. The DOT and the EPA want to
material, look for its name on three lists. Some makes the product hazardous know about spills of hazardous substances.
materials are on all lists, others on only one. Column 2 lists the proper shipping names They are named in the List of Hazardous Sub-
Always check the following lists: and descriptions of regulated materials. En- stances and Reportable Quantities. See Figure
tries are in alphabetical order so you can more 9.5. Column 3 of the list shows each product’s

• Section 172.101, the Hazardous Materials quickly find the right entry. The table shows reportable quantity (RQ). When these materials
Table. are being transported in a reportable quantity or
proper shipping names in regular type. The

• Appendix A to Section 172.101, the List of shipping paper must show proper shipping greater in one package, the shipper displays the
Hazardous Substances and Reportable Quan- names. Names shown in italics are not proper letters RQ on the shipping paper and package.
tities. shipping names. The letters RQ may appear before or after the
Column 3 shows a material’s hazard class or basic description. You or your employer must
• Appendix B to Section 172.101, the List of division, or the entry “Forbidden.” Never trans- report any spill of these materials, which occurs
Marine Pollutants. in a reportable quantity.
port a “Forbidden” material. Placard hazardous

The Hazardous Materials Table. Figure 9.4 materials shipments based on the quantity and If the words INHALATION HAZARD ap-

shows part of the Hazardous Materials Table. hazard class. You can decide which placards to pear on the shipping paper or package, the rules
Column 1 tells which shipping mode(s) the en- use if you know these three things: require display of the POISON INHALATION
try affects and other information concerning HAZARD or POISON GAS placards, as appro-

the shipping description. The next five columns • Material’s hazard class. priate. These placards must be used in addi-
show each material’s shipping name, hazard • Amount being shipped. tion to other placards, which may be required

49 CFR 172.101 HAZARDOUS MATERIALS TABLE
Hazardous Packaging (173. ***)
Materials Hazard Identifica - Special
Symbols Description Class or tion Num - PG Label Provisions
& Proper Division bers Codes (172.102) Exceptions Non Bulk Bulk
Shipping
Names
(1) (2) (3) (4) (5) (6) (7) (8A) (8B) (8C)
Acetalde-
A hyde am- 9 UN1841 III 9 IB8, IP6 155 204 240
monia
Figure 9.4
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