Documentation
Placards
Container Identification
ERG use
Chemistry
100
What is a precautionary statement?
Describes recommended measures to minimize or prevent adverse effects of exposure.
100
What type of Hazards are in Hazard class 8?
Corrosives
100
How do you identify a low-pressure container?
Flat ends, valves on the bottom.
100
What is the guide page number for UN # 1207?
Guide page 130.
100
What is the difference between a monomer and polymer?
A monomer is a single chemical component, whereas a polymer is composed of multiple monomers.
200
What is a Hazard statement?
Describes the nature of the Hazard.
200
What does a yellow 2 indicate on NFPA 704?
Violent chemical change possible at elevated temperature and pressure.
200
How do you identify a high-pressure container?
Rounded ends, valves on top and/or bottom.
200
What is the UN number for Anhydrous Ammonia?
1005
200
What does TIH mean?
Toxic Inhalation Hazard
300
What does NFPA 704 refer to?
The 4-colored diamond placard found outside of facilities storing hazardous materials.
300
What does a W with a strikethrough line indicate on NFPA 704?
Reacts violently with water.
300
How do you identify a cryogenic container?
A visible 'doghouse'.
300
Is Isopropyl Isocyanate a polymer?
Yes.
300
What does 'Sublimation' mean?
Transitioning directly from solid to gas, skipping the liquid state.
400
What does NFPA 407 refer to?
Non-transport Hazardous Material labels and markings.
400
What Hazard Class does Oxygen belong to?
Class 2, gases.
400
What type of container is this?
Intermodal Tank
400
Can bunker gear safely protect you from UN number 3557?
It provides thermal protection but limited chemical protection.
400
What does a vapor density of 1.4 mean?
The substance is heavier than air and will sink to the ground.
500
What is a reporting mark used to identify?
Individual railcars.
500
When can a container receive a 'DANGEROUS' placard?
When it contains:
-Nonbulk packages
-Two or more Hazard classes
-Total weight less than 1,000 kg
500
What type of Hazardous Material does this container typically carry?
Corrosives.
500
What is the nighttime isolation distance for Methylhydrazine for a large spill?
2.2km (1.4 mi)
500
What does a specific gravity of less than 1 mean?
The substance will float on water.