Page 71 - 2021-2022 Commercial Drivers Manual

SECTION 9 : HAZARDOUS MATERIALS

DO NOT LOAD TABLE Do not transfer a Division 1.1, 1.2, or 1.3 from
one vehicle to another on a public roadway

Do Not Load In The Same Vehicle With except in an emergency. If safety requires an
emergency transfer, set out red warning reflec-
Animal or human food unless the poison
package is over packed in an approved way. tors, flags, or electric lanterns. You must warn
Division 6.1 or 2.3 (POISON or poison inhala- others on the road.
tion hazard labeled material). Foodstuffs are anything you swallow. Howev- Never transport damaged packages of ex-
er, mouthwash, toothpaste, and skin creams
are not foodstuff. plosives. Do not take a package that shows any
dampness or oily stain.
Division 1.1, 1.2, 1.3 Explosives, Division 5.1 Do not transport Division 1.1 or 1.2 in vehicle
(Oxidizers), Class 3 (Flammable Liquids), Class combinations if:
Division 2.3 (Poisonous) gas Zone A or Divi- 8 (Corrosive Liquids), Division 5.2 (Organic • There is a marked or placarded cargo tank
sion 6.1 (Poison) liquids, PGI, Zone A. Peroxides), Division 1.1, 1.2, 1.3 Explosives, Di- in the combination.
vision 1.5 (Blasting Agents), Division 2.1 (Flam-
mable Gases), Class 4 (Flammable Solids). • The other vehicle in the combination con-
tains:
Charged storage batteries. Division 1.1.
» Division 1.1 A (Initiating Explosives).
Class 1 (Detonating primers). Any other explosives unless in authorized » Packages of Class 7 (Radioactive) materials
containers or packages. labeled “Yellow III.”
» Division 2.3 (Poisonous Gas) or Division
Acids, corrosive materials, or other acidic 6.1 (Poisonous) materials.
materials which could release hydrocyanic » Hazardous materials in a portable tank, on
Division 6.1 (Cyanides or cyanide mixtures). acid. a DOT Spec 106A or 110A tank.
For Example: Cyanides, Inorganic, n.o.s., Sil-
ver Cyanide, Sodium Cyanide. Class 4 (Flammable Solids) and Class 5
(Oxidizers) Materials. Class 4 materials are
Other materials unless the nitric acid is not
Nitric acid (Class 8). loaded above any other material. solids that react (including fire and explosion) to
water, heat, and air or even react spontaneously.
Class 4 and 5 materials must be completely
Figure 9.9
enclosed in a vehicle or covered securely. Class
4 and 5 materials, which become unstable and
Cargo Heater Rules. There are special cargo • Covered with a fire and water resistant tarp. dangerous when wet, must be kept dry while

heater rules for loading: in transit and during loading and unloading.
Precautions for Specific Hazards
• Class 1 (Explosives) Materials that are subject to spontaneous com-

Class 1 (Explosives) Materials. Turn your bustion or heating must be in vehicles with suf-
• Class 2.1 (Flammable Gas ) engine off before loading or unloading any ex- ficient ventilation.
plosives. Then check the cargo space. You must:
• Class 3 (Flammable Liquids) Class 8 (Corrosive) Materials. If loading by
• Disable cargo heaters. Disconnect heater hand, load breakable containers of corrosive liq-
The rules usually forbid use of cargo heat-
ers, including automatic cargo heater/air condi- power sources and drain heater fuel tanks. uid one by one. Keep them right side up. Do not

tioner units. Unless you have read all the related • Make sure there are no sharp points that drop or roll the containers. Load them onto an
rules, don’t load the above products in a cargo might damage cargo. Look for bolts, screws, even floor surface. Stack carboys only if the lower
space that has a heater. nails, broken side panels, and broken floor- tiers can bear the weight of the upper tiers safely.
boards. Do not load nitric acid above any other product.
Use Closed Cargo Space. You cannot have Load charged storage batteries so their liquid
overhang or tailgate loads of: • Use a floor lining with Division 1.1, 1.2, or won’t spill. Keep them right side up. Make sure
1.3. The floors must be tight and the liner other cargo won’t fall against or short circuit
• Class 1 (Explosives)
must be either non-metallic material or non- them.
• Class 4 (Flammable Solids) ferrous metal. Never load corrosive liquids next to or above:
• Class 5 (Oxidizers) Use extra care to protect explosives. Never • Division 1.4 (Explosives C).
use hooks or other metal tools. Never drop,
You must load these hazardous materials into throw, or roll packages. Protect explosive pack- • Division 4.1 (Flammable Solids).
a closed cargo space unless all packages are:
ages from other cargo that might cause damage. • Division 4.3 (Dangerous When Wet).
• Fire and water resistant.
• Class 5 (Oxidizers).
• Division 2.3, Zone B (Poisonous Gases).
TEST YOUR KNOWLEDGE Never load corrosive liquids with:
• Division 1.1 or 1.2.
Subsections 9.4 • Division 1.2 or 1.3.
• Around which hazard classes must you • At the shipper’s dock you’re given a • Division 1.5 (Blasting Agents).
never smoke? paper for 100 cartons of battery acid. You
already have 100 pounds of dry Silver • Division 2.3, Zone A (Poisonous Gases).
• Which three hazard classes should not
be loaded into a trailer that has a heater/ Cyanide on board. What precautions do • Division 4.2 (Spontaneously Combustible
air conditioner unit? you have to take? Materials).
• Name a hazard class that uses transport • Division 6.1, PGI, Zone A (Poison Liquids).
• Should the floor liner required for Division indexes to determine the amount that can
1.1 or 1.2 materials be stainless steel? Class 2 (Compressed Gases) Including
be loaded in a single vehicle. Cryogenic Liquids. If your vehicle doesn’t
These questions may be on your test. If you can’t answer them all, re-read subsection 9.4. have racks to hold cylinders, the cargo space
floor must be flat. The cylinders must be:
72