ERG-1

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What is the recommended protective clothing when there is NO RISK OF FIRE?

Regular foam

Positive pressure self-contained breathing apparatus

Chemical protective clothing (correct)

Structural firefighters' protective clothing

In a situation involving a fire with a leaking gas, what is the advised emergency response action?

Consider initial evacuation for 1600 meters in all directions (correct)

Extinguish the fire immediately

Call a specialist to handle the situation

Isolate the area for 100 meters in all directions

When handling a spill or leak, what is NOT recommended?

Use water spray to reduce vapors

Eliminate all ignition sources from the area

Turn leaking containers so that gas escapes rather than liquid

Direct water at the source of leaks (correct)

What should be done if there is a rising sound from venting safety devices during a fire involving tanks?

Withdraw immediately Signup and view all the answers

What action should be taken if there is contact with liquefied gas?

Thaw frosted parts with lukewarm water Signup and view all the answers

What should be done if the victim ingested or inhaled a substance?

Wash face and mouth before giving artificial respiration Signup and view all the answers

During first aid, what should be done in case of burns?

Immediately cool affected skin with cold water Signup and view all the answers

What should be avoided when handling a spill or leak?

Directing water at spill or source of leak Signup and view all the answers

What should be done if there are undamaged containers near a large fire?

Cool the undamaged containers with flooding quantities of water Signup and view all the answers

What precaution should be taken if there is a risk of a toxic gas leak?

Isolate area until gas has dispersed Signup and view all the answers

What is the recommended action for evacuation if there is enough time?

Send evacuees to a specific place via a designated route far enough away from the danger. Signup and view all the answers

When is shelter-in-place considered not the best option?

When it will take a long time for the gas to clear the area. Signup and view all the answers

What is a key action advised for people inside during shelter-in-place?

Tune in to local radio or TV stations. Signup and view all the answers

Why should evacuees not be permitted to gather at recommended distances?

To ensure they stay far enough away from potential harm. Signup and view all the answers

What is the primary purpose of maintaining communications with sheltered-in-place individuals?

To keep them informed about evolving situational dangers. Signup and view all the answers

In what scenario can vehicles offer some protection during an incident?

When windows are closed and ventilation systems are shut off. Signup and view all the answers

What type of materials are not assigned an ID number due to not being commercially transported?

Chemical warfare agents Signup and view all the answers

What is the main potential hazard associated with materials listed in ERG Guide 117?

Formation of explosive mixtures with air Signup and view all the answers

In what situation should emergency responders use the Orange Guide for evacuation distances?

When there is no fire involved Signup and view all the answers

Which division should emergency responders refer to according to Note 2 for explosives in an emergency situation?

Division 1.1, 1.2, 1.3, and 1.5 - GUIDE 112 Signup and view all the answers

When should Table 2 be consulted for safe distances according to the text provided?

When no materials are spilled in water Signup and view all the answers

What is the primary potential hazard listed for materials described as TOXIC; Extremely Hazardous in ERG Guide 117?

Inhalation or skin absorption may be fatal Signup and view all the answers

What should be done if cylinders exposed to fire start to vent and release toxic gas, according to the text?

"Rocket" away from the fire Signup and view all the answers

What action should responders take if there is a fire involved and they are protecting in the downwind direction?

"Use appropriate Orange Guide for evacuation distances" Signup and view all the answers

"Many gases are heavier than air and will spread along the ground." Why is this information important for emergency responders?

"To prevent inhalation hazards" Signup and view all the answers

"Public Safety Call 911." What is the purpose of this instruction according to the text?

"To summon emergency response team" Signup and view all the answers

What does the term 'isolate' mean in the context of the text?

No entry zone for unqualified individuals Signup and view all the answers

In which section of the document will you find detailed response distances for toxic inhalation hazard materials?

Introduction to Green Tables Signup and view all the answers

What does the Protective Action Zone define?

Area downwind where people may become incapacitated Signup and view all the answers

When is sheltering-in-place considered during an evacuation?

Only when evacuation is impossible Signup and view all the answers

What determines the adjustment of Protective Action Distances?

Technically qualified personnel Signup and view all the answers

What is the purpose of an Emergency Response Assistance Plan (ERAP) in Canada?

Assist in handling hazardous incidents Signup and view all the answers

How are initial isolation and protective action distances derived for worst-case scenarios?

Historical data and statistical models Signup and view all the answers

'Evacuate' in the text refers to:

Removing people from a dangerous zone Signup and view all the answers

'Protective clothing selection is situation dependent' implies that:

'Choice of protective clothing should consider various factors' Signup and view all the answers

What may lead to the need for larger protective action distances when dealing with a spill of Toxic Inhalation Hazard (TIH) materials?

Material vapor plume being channeled in a valley or between tall buildings Signup and view all the answers

Why might nighttime protective action distances be more appropriate in certain spill scenarios?

Slower mixing and dispersal of airborne contaminants Signup and view all the answers

What is the significance of a spill occurring near sunset in relation to protective action distances?

May require an increase in protective distances Signup and view all the answers

Why might water-reactive materials pose a challenge in determining protective action distances?

They produce additional toxic gases when spilled in water Signup and view all the answers

What should be considered when determining the protective action distance for a spill involving a water-reactive material?

Whether the spill occurs on land or in water Signup and view all the answers

What should be done if there is uncertainty whether a water-reactive material spill has occurred on land or in water?

Choose the larger protective action distance Signup and view all the answers

Why might daytime spills in regions with known strong temperature inversions require an increase in protective action distances?

Less mixing of airborne contaminants with the atmosphere Signup and view all the answers

How do tall buildings and valleys impact the determination of protective action distances?

Increase potential for larger protective action distances Signup and view all the answers

What is a key reason for increasing protective action distances when dealing with a spill in regions with snow cover?

Risk of airborne contaminants traveling farther due to slow dispersion Signup and view all the answers

Why might outdoor temperatures exceeding 30°C (86°F) result in larger protective action distances?

Faster mixing and dispersion of airborne contaminants with warm air Signup and view all the answers

What steps should be followed if there is a fire involved?

Check the Orange Guide for evacuation distances Signup and view all the answers

When a water-reactive material is spilled in water, what precautionary term is associated with it?

Toxic Inhalation Hazard (TIH) Signup and view all the answers

Why are explosives not individually listed by their ID number?

The response is based on the division of the explosive Signup and view all the answers

What is the significance of seeing a material listed with (when spilled in water) in Table 1?

The material produces toxic gases when spilled in water Signup and view all the answers

How are initial isolation and protective action distances identified?

Based on the ID number and name of the material Signup and view all the answers

What should be done if a water-reactive material only has one entry in Table 1?

Table 1 and Table 2 do not apply Signup and view all the answers