ERG

Question 1

What is displayed in the white pages?

Answer 1

• Table of contents
• Placard information
• Rail Car Identification Chart

Question 2

What color pages organize materials by number?

Answer 2

Yellow pages

Question 3

What color pages organize materials alphabetically?

Answer 3

Blue pages

Question 4

What are the orange pages? What can be found in them?

Answer 4

Guide pages. Warnings about the dangers of the chemical, PPE and isolation distance recommendations, and recommendations for mitigation

• Potential Hazards: health vs fire/ explosion
• Public safety: Protective clothing & Evacuation
• Emergency response: fire, spill or leak, first aid

Question 5

What can be found in the green pages?

Answer 5

Table 1- Initial isolation and protective action distances for large and small spills. Day and night.

Table 2- A list of water reactive materials that produce TIH gases

Table 3- Initial isolation and protective action distances for large spills for different quantities of 6 common TIH gases.

Question 6

Where can you find 24 hour emergency response telephone numbers?

Answer 6

The very back of the ERG

Question 7

How many psi will a non-pressure/ low pressure Rail Car normally have?

Answer 7

Less than 25 psi

Question 8

How many psi will a pressurized Rail Car typically have?

Answer 8

Above 40 psi

Question 9

What common markings will rail cars have?

Answer 9

• Reporting marks and car number
• Load limit (pounds or kilograms)
• Empty weight of car, placard
• Tank qualification and pressure relief device information
• Car specification
• Commodity name

Question 10

Name the characteristics of a Pressure Tank Car

Answer 10

-Flammable, Non-Flammable, Toxic
and/or liquefied compressed gases
- Protective housing
- No bottom fittings
- Pressures usually above 40 psi

Question 11

Name the characteristics of a General Service Tank Car (low pressure)

Answer 11

-For variety of hazardous and non-
hazardous materials
- Fittings and valves usually visable at
the top of the tank
- Some may have a bottom outlet
- Pressures usually below 25 psi

Question 12

Name the characteristics of a Low Pressure Tank Car (TC117, DOT117)

Answer 12

• For flammable liquids (crude oil,
  ethanol)
• Protective housing separate from
  manway
• Bottom outlet valve
• Pressure usually below 25 psi

Question 13

Name the characteristics of a Box Car

Answer 13

• For general freight that carry bulk or
  non-bulk packages
• May transport hazardous materials/
  dangerous goods in small packages or “tote-bins”
• Single or double sliding door

Question 14

Name the characteristics of a Hopper Car

Answer 14

• Bulk commodities and bulk cargo
• Bulk lading discharged by gravity
  through the hopper bottom doors
  when opened

Question 15

Name the characteristics of a MC331

Answer 15

• Liquefied compressed gasses (LPG,
  ammonia)
• Rounded heads
• Designed pressure between 100-
  500 psi

Question 16

Name the characteristics of a MC338

Answer 16

• Cryogenics
• Similar to a giant thermo bottle
• Fitting compartments located in rear cabinet
• MAWP between 25-500 psi

Question 17

Name the characteristics of a MC306/DOT406

Answer 17

• Flammable liquids
• Elliptical cross section
• Rollover protection
• Bottom outlet valves
• MAWP between 3-15 psi

Question 18

Name the characteristics of a MC307/DOT407

Answer 18

• For toxic, corrosive, and flammable
  liquids, and food grade liquids
• Circular Cross-section
• May have external ring stiffeners
• MAWP of at least 25 psi
• Can sometimes have an external
  housing that is the shape of a horse-
  shoe

Question 19

What does it mean if there is a “p” next to a chemical?

Answer 19

There is a polymerization hazard

Question 20

Name all the hazard classes

Answer 20

1. Explosives
2. Gases
3. Flammable liquids
4. Flammable solids
5. Oxidizers
6. Toxic and Infectious substances
7. Radioactive materials
8. Corrosive substances
9. Misc

Question 21

Name all the sub-classes of hazard class 1.

Answer 21

1.1- Mass Explosion hazard

1.2- Projection hazard, no mass explosion

1.3- Fire hazard and either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard

1.4- No significant hazard

1.5- Very insensitive explosives WITH a mass explosion hazard

1.6- Extremely insensitive articles which do not have a mass explosion hazard

Question 22

Sub-classes of hazard class 2.

Answer 22

2.1- Flammable gases

2.2- Non-flammable, non-toxic gases

2.3- Toxic gases

Question 23

Sub-classes of hazard class 4.

Answer 23

4.1- Flammable solids, self-reactive substances and solid desensitized explosives

4.2- Substances liable to spontaneous combustion

4.3- Substances which in contact with water emit flammable gases

Question 24

Sub-classes of hazard class 5.

Answer 24

5.1- Oxidizing substances

5.2- Oxidizing peroxides

Question 25

Sub-classes of hazard class 6.

Answer 25

6.1- Toxic substances

6.2- Infectious substances

Question 26

What does it mean if there is a “p” next to a chemical?

Answer 26

There is a polymerization hazard

Question 27

What is guide 111 for?

Answer 27

Mixed loads or unidentified cargo. Danger or dangerous placard

Question 28

What is guide 127 for?

Answer 28

Flammable liquids

Question 29

What is guide 153 for?

Answer 29

Corrosives