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ERG pg1
What are the yellow bordered pages?
ID number index
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ERG pg1
What are the blue bordered pages?
Name of Material index
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ERG pg1
What are index entries that are highlighted in green?
TIH (Toxic inhalation hazards)
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ERG pg1
What are the green bordered pages used for?
Initial isolation and protective action distances for TIH materials
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ERG pg3
What is the notification sequence and request for technical information beyond what is available in the guidebook? (In order)
1.Notify your organization/agency
2.Call the emergency response tele# on shipping document
3.National assistance
4.Provide as much of the following info as possible
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ERG pg4
What are the Hazards in the Hazard Classification System?
- Class 1- Explosives
- Class 2- Gases
- Class 3- Flammable Liquids
- Class 4- Flammable Solids
- Class 5- Oxidizing and Organic peroxides
- Class 6- Toxic and Infectious substances
- Class 7- Radioactive Materials
- Class 8- Corrosive Substances
- Class 9- Miscellaneous
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ERG pg4
What division would "Explosives with projection hazard" fall under?
Division 1.2
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ERG pg4
What division would "Explosives with a mass explosion hazard" fall under?
Division 1.1
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ERG pg4
What division would "Explosives with predominantly a fire hazard" fall under?
Division 1.3
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ERG pg4
What division would "Explosives with no significant blast hazard" fall under?
Division 1.4
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ERG pg4
What division would "Very insensitive explosives with a mass explosion hazard" fall under?
Division 1.5
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ERG pg4
What division would "Extremely insensitive article" fall under?
Division 1.6
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ERG pg4
What division would "Flammable gases" fall under?
Division 2.1
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ERG pg4
What division would "Non-flammable, non toxic gases" fall under?
Division 2.2
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ERG pg4
What division would "Toxic gases" fall under?
Division 2.3
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ERG pg4
What division would "Flammable solids" fall under?
Division 4.1
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ERG pg4
What division would "Spontaneously combustible materials" fall under?
Division 4.2
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ERG pg4
What division would "Water-reactive substances/Dangerous when wet materials" fall under?
Division 4.3
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ERG pg4
What division would "Oxidizing substances" fall under?
Division 5.1
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ERG pg4
What division would "Organic peroxides" fall under?
Division 5.2
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ERG pg4
What division would "Toxic substances" fall under?
Division 6.1
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ERG pg4
What division would "Infectious Substances" fall under?
Division 6.2
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ERG pg5
What does an * on a orange placard represent?
Explosives "capability group"
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ERG pg5
What does ** on a orange placard represent?
Division of the explosive
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ERG pg8
On the Rail Car identification chart, the recommended guides should be considered what?
As last resort if the material cannot be identified by any other means
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ERG pg10
What does "X" represent on the Hazard ID displayed on some Interodal containers?
Substance will react dangerously with water
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ERG pg10
What does "doubling of a digit" mean in the orange panel on some intermodal containers?
Indicates an intensification of that particular hazard
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ERG pg10
"In general" the digits in the top half of the orange panel displayed on some intermodal containers indicate what hazards?
2. Emission of gas due to pressure or chem reaction
3. Flammability of Liquids and gases or self heating liquid
4. Flammability of solids or self-heating solid
5. Oxidizing effect
6. Toxicity or risk of infection
7. Radioactivity
8. Corrosivity
9. Risk of spontaneous violent reaction
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ERG pg14
What are the structures for Natural Gas Transmission pipelines?
- Compressor Station Buildings
- Valves
- Metering Stations
- Aerial Patrol Markers
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ERG pg14
What are the only above ground indicators of a Natural Gas Distribution Pipeline?
- Regulator Stations
- Customer Meters and regulators
- Valve box covers
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ERG pg17
What are the structures liquid pipelines?
- Storage Tanks
- Valves
- Pump Stations
- Aerial Patrol Markers
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ERG pg285
What is an "Initial Isolation Zone"?
area surrounding the incident
- Dangerous- upwind
- and
- Life Threatening- downwind
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ERG pg285
What is a "Protective Action Zone"?
- an area DOWNWIND in which a person may become incapacitated and unable to take protective action
- or
- incur serious or irreversible health effects
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ERG pg285
In the orange bordered pages, Evacuation-Fire means?
Distance to protect against fragmentation hazard of a large container
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ERG pg285
When is doubling Isolation and protective action distances appropriate?
Worst case scenarios involving the instantaneous release of the entire contents of a package.
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ERG pg285
At what temp might protective action distances be larger for liquid spills?
When either the material or outdoor temp exceeds 86°F
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ERG pg286
What are the materials listed in Table 3?
- Ammonia
- Chlorine
- Ethylene oxide
- Hydrogen chloride
- Hydrogen fluoride
- Sulfur dioxide
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ERG pg287
What are the factors to consider for Protective Action Decision?
The Dangerous Goods
The Population Threatened
Weather Conditions
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ERG pg288
When evacuating, who do you evacuate first?
People nearby and those outdoors in direct view of the scene
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ERG pg288
What do the "Initial Isolation and Protective Action Distances" in Table 1 predict?
The size of downwind areas which could be affected by a cloud of toxic gas
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ERG pg356
Who requires first responders to be trained in the use of the ERG book?
OSHA, 29 CFR 1910.120
EPA, 40 CFR part 311
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ERG pg357
How many individual guides are in the ERG?
62 individual guides
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ERG pg357
What does the right hand page provide in the orange bordered pages?
Emergency response guidance for fire, spills, leaks and first aid
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ERG pg357
What does the left page provide in the orange bordered pages?
Left page provides safety related information
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ERG pg357
What are the three sections in the guides (orange bordered pages)?
Potential Hazards
Public safety
Emergency Response
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ERG pg358
What is a Small spill?
55gal or less of a liquid
660lbs or less of a solid
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ERG pg358
What is a large spill?
>55gal for liquids
>660lbs for solids
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ERG pg358
Initial Isolation Distance is a Radius (circle) around the source (incident).
Protective action distance is a downwind distance
This is just info!
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ERG pg358
What is a TIH?
(presumed to be toxic in humans)
Tested on lab animals it has a Lethal Concentration of 50 (LC50) value and not more than 5,000ppm
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ERG pg358
What is in Tables 1, 2 and 3?
Table 1- TIH materials listed by ID#
Table 2- Materials that produce TIH when spilled in water listed by ID#
Table 3- 6 TIH materials commonly encountered listed alphabetically
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ERG pg359
What is the break down of the 62guides?
36 guides are Non-TIH
21 guides are both TIH and Non-TIH
5 guides are TIH or Water Reactive
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ERG pg365
What are the main hazards from a BLEVE?
- Fire
- Thermal Radiation from fire
- Blast
- Projectiles
Furthest reaching hazard is projectiles
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ERG pg366
Under BLEVE safety precautions what are the two safety distances for public evacuation?
Minimum distance- based on tanks launched with small elevation angle
Preferred evacuation distance- has more margen of safety since it assumes the tanks are launched at a 45° angle
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ERG pg366
During a BLEVE which end of the tank do the furthest reaching projectiles come off of?
the zones 45° on each side of the tank ends
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ERG pg366
For a BLEVE what is the water flow rate based on?
- 5 _____________
- /Capacity(USgal)=usgal/min needed
- to cool tank metal
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