Column 6 sets the maximum net quantity that can be carried in one
package
for
transportation
by
passenger-carrying
aircraft
or
passenger railcars.
A "forbidden" notice in this column means the
material may not be offered or carried; it is limited in
applicability only to the transportation types noted above.
Also,
certain flammable liquids may be excepted (see Subpart B, Subchapter
C, CFR 49). Column 6a actually sets the maximum net quantity allowed
Column 6b
in one package for transportation via the listed modes.
sets the maximum net quantity permitted in one package for
transportation by cargo-only aircraft. Subpart B, Subchapter C, CFR
49 provides more information on labeling and packaging requirements
for goods to be moved on cargo-only aircraft.
Column 7 lists the authorized stowage locations on board cargo and
passenger vessels, and certain additional requirements for shipments
of each listed hazardous material. Section 176, Subchapter C, CFR 49
spells out physical requirements for authorized vessel locations
noted in Column 7. (For bulk shipment by vessel and vessel shipment
of explosives, you will also need to consult CFR 46; see Part B for
more information on hazardous materials handling on vessels.) To use
the information in Column 7 effectively, you must--
Follow the instruction in Subpart B, Subchapter C, CFR 49 to
find out what the numerical codes under Column 7a and 7b mean.
Refamiliarize yourself with the "Rules of Construction"
subchapter (Part 171, CFR 49) since these rules could affect
stowage compatibility.
Finally, Column 7c lists other requirements for water shipments of
hazardous cargo as applicable to specific materials.
These
requirements are applicable to specific materials -- for activating
cartridges and explosive (fire extinguishes or valve).
The "other
requirements" are to keep the shipment cool and dry.
HAZARDOUS MATERIALS LABELS
Labels must be affixed to hazardous material to identify the type of
hazard concerned. Each type of label has an identifying color, such
as orange for explosives. It also may have a symbol, such as a flame
for flammable materials.
Finally, the specific type of hazard
appears in letters, such as POISON.
They are meant to be easily
identifiable.
When two or more different labels are required,
display them next to each other.
The Hazardous Materials Tables of
CFR 49 (discussed earlier) identify the proper labels for hazardous
materials.
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