662 HAZWOPER for General Site Workers III

Reference page 4

Do not assume that gases or vapors are harmless because of _____.

the form of the gas cloud

the lack of a smell

the presence of a visible color

the density of the gas or vapors

Reference page 5

On which document is the emergency response telephone number located?

The OSHA safety data sheet

The Emergency Response Guidebook

The hazardous waste container

The shipping paper

Reference page 6

Which class of hazardous materials or dangerous goods includes toxic and infectious substances?

Class 6

Class 5

Class 8

Class 3

Reference page 6

Where must the hazard class or division number be displayed on a shipping placard?

In the middle

In the right corner

In the lower corner

At the top

Reference page 6

Which class identifies a substance that emits flammable gases on contact with water?

Class 1

Class 4

Class 6

Class 9

Reference page 7

From which direction should you approach an unknown hazardous material?

Downwind, downhill, or downstream

From the north or west

Upwind, uphill, or upstream

From any direction, as long as you are cautious

Reference page 7

Guides associated with placards provide _____.

guidelines for decontamination in an emergency

approach and risk information

the most likely risk or hazard information

the most significant risk or hazard information

Reference page 8

Which guide is associated with a Class 3 hazardous substance?

Guide 112

Guide 127

Guide 230

Guide 324

Reference page 11

Which type of rail car carries flammable liquids, such as petroleum crude oil and ethanol, at pressures usually below 25 psi?

Hopper car: Guide 140

Pressure tank car: Guide 117

General service tank car: Guide 132

Non-pressure or low-pressure tank car: Guide 128

Reference page 14

Which road trailer carries flammable liquids, has an elliptical cross-section, rollover protection on top, and bottom outlet valves?

Guide 117: MC331, TC331, SCT331

Guide 117: MC338, TC338, SCT338, TC341, CGA341

Guide 131: DOT406, TC406, SCT306, MC306, TC306

Guide 137: DOT407, TC407, SCT307, MC307, TC307

OSHA and United Nations publications about the Globally Harmonized System.

Reference page 16

How many GHS pictograms convey specific physical, health, and environmental hazard information?

5

9

12

16

Chart of the nine GHS hazard pictograms and their associated hazards.

Reference page 17

What can the GHS exclamation-mark pictogram indicate about a substance?

It is flammable

It presents an unspecified severe hazard

It may cause acute toxicity

It may cause serious eye damage

Trucks carrying intermodal shipping containers at a freight terminal.

Reference page 18

Which intermodal-container hazard identification number indicates a more intense corrosive hazard?

8

88

3

33

Reference page 19

Which hazard identification number indicates a pyrophoric liquid that reacts dangerously with water?

263X

X482

X333

568W

A pipeline worker welding a section of large-diameter pipe.

Reference page 22

If you approach a natural-gas transmission pipeline leak and smell rotten eggs, what does the pipeline most likely contain?

Natural gas with added mercaptan

Natural gas without additives

Natural gas containing surfactants

Natural gas containing hydrogen sulfide

Reference page 22

How does an operator send different crude oil, refined petroleum products, and hazardous liquids through the same pipeline?

On separate days

As mixtures

In batches

In a required sequence

Reference page 23

Which type of pipeline is marked with above-ground markers to indicate its route?

Distribution

Transmission

Gathering

Disposal

Reference page 24

What should you suspect if you see discolored or dead vegetation, or discolored snow, above a pipeline right-of-way?

Animal activity over the right-of-way

A pipeline leak or rupture

Herbicide application over the pipeline

No relationship to the pipeline

Reference page 25

Which action is recommended when responding to a pipeline emergency?

Immediately operate pipeline valves to stop the flow

Enter the vapor cloud to identify the substance

Wear proper PPE and be prepared for a flash fire

Extinguish the pipeline fire before closing valves

Reference page 26

When responding to a pipeline emergency with no fire present, what is important to do?

Ensure ignition sources are not introduced

Keep ignition sources nearby and controlled

Minimize ignition sources only when practical

Idle running vehicles near the release

Reference page 28

Which ERG 2024 section lists hazardous materials by identification number?

Yellow

Blue

Orange

Green

Reference page 88

Which ERG section lists hazardous materials alphabetically by name?

Yellow

Blue

Orange

Green

Reference page 149

The Orange Section describes initial precautionary measures to be taken by _____.

only properly trained personnel

those first on the scene

emergency responders only

vehicle operators

Reference page 175

According to Guide 122 in the Orange Section, what is recommended for fighting a small fire?

Establish evacuation routes for everyone in the threatened area

Determine the downwind area affected by toxic gas

Determine shelter-in-place distances if an explosion is imminent

Use dry chemical or carbon dioxide

Reference page 203

According to Guide 136 in the Orange Section, what is recommended for responding to a large spill?

Cover it with water, sand, or earth in a metal container

Allow controlled entry into waterways

Dike it for later disposal and cover it with sand or earth

Contain it with sandbags only

Reference page 280

What does the Initial Isolation Zone define?

An area surrounding the incident where concentrations may be dangerous upwind and life-threatening downwind

Only the downwind area where people may become incapacitated

An area used solely to calculate evacuation routes

Only the location where response personnel establish command

Reference page 285

When should sheltering in place be considered?

When buildings cannot be closed tightly

When vapors are toxic and people may be exposed

When vapors are continuously generated

When the threat is stable and long-lasting

662 HAZWOPER for General Site Workers III

Activity

Download the Required Reference

Emergency Response Guidebook Review

Exercise Complete