HAZMAT CONTAINERS AND PLACARDS
MC 306/ DOT 306 - Answer-ATMOPSPHERIC PRESSURE TRUCK
carry liquid food-grade products, gasoline, or other flammable and combustible liquids.
-oval-shaped tank
-can carry between 6000 and 10,000 gallons
-working pressure is between 2.65 and 4ps,
- remote emergency shut-off valves
MC 307/DOT 407 - Answer-LOW PREASSURE CHEMICAL CARRIER
-horseshoe-shaped tank
-carries 6000 to 7000 gallons of liquid.
-flammable liquids, mild corrosives, and poisons.
-up to 35 psi.
MC 312/DOT 412 - Answer-CORROSIVE LIQUID CARRIER
-carries corrosives such as concentrated sulfuric acid, phosphoric acid, and sodium
hydroxide.
-heavy-duty reinforcing rings
-15 to 25 psi
-holds approximately 6000
MC 331 - Answer-HIGH PRESSURE LIQUEFIED GAS TANKER
-Carries ammonia, propane, Freon, and butane.
-1000-gallon to 11,000-gallon
-250 to 300 psi
MC338 - Answer-CRYOGENIC TANKER
-This low-pressure
-A boxlike structure containing the tank control valves is typically attached to the rear of
the tank.
-have a relief valve near the valve control box.
TUBE TRAILER - Answer--carry compressed gases such as hydrogen, oxygen,
helium, and methane.
-working pressures of 3000 to 5000 psi.
-a valve control box is found toward the rear of the trailer, and each individual cylinder
has its own relief valve.
DRY BULK TRAILER - Answer--carry dry bulk goods such as powders, pellets,
fertilizers, or grain.
-not pressurized
-V-shaped with rounded sides
