Hazardous Materials

Question 1

Hazardous materials

Answer 1

Is a substance that can be dangerous to human health or environment if not controlled

Question 2

How are hazmat incident caused

Answer 2

Human error
Mechanical malfunction
Container failure
Transportation accident 
Vandalism or terrorism

Question 3

Three safety concepts

Answer 3

Variety of hazards in encountered
Potential health effects of materials
Physical hazards of materials

Question 4

Two types of health effects from hazmat incident

Answer 4

Acute

Chronic

Question 5

Six hazards

Answer 5

Thermal-

Radiological

Asphyxiation

Chemical hazards

Biological

Mechanical

Question 6

Thermal

Answer 6

elevated temperatures and low temperatures

Question 7

Radiological

Answer 7

Non-ionizing or ionizing
Alpha-paper
Beta- aluminium
Gamma-lead
Neutron- concrete

Question 8

Asphyxiation

Answer 8

Replaces oxygen

Question 9

Chemical

Answer 9

Different categories
Poisons/toxins
Currosives
Irritants
Convulsants 
Carcinogens 
Sensitizers/allergens

Question 10

Biological

Answer 10

Infectious disease
Ricketts
Biological toxins

Question 11

Mechanical

Answer 11

Cause injury through blunt physical force

Invenidary thermal effect
Blast pressure
Fragmenntation
shock front

Question 12

4 entry routes into humans

Answer 12

Absorption
Inhalation
Contact
Ingestion

Question 13

Vapour pressure

Answer 13

The measure of a substance is tendency to evaporate

Question 14

Boiling point

Answer 14

Can cause BLEVE

Question 15

Bleve

Answer 15

Boiling liquid expanding vapour explosion

Question 16

Vapour density

Answer 16

Measures weight of a pure gas to wait of air

Question 17

Specific gravity

Answer 17

The density of a substance in comparison to another standard material usually water

Question 18

Persistence

Answer 18

Materials ability to remain in the environment

Question 19

Reactivity

Answer 19

The ability of a substance to chemically react with other materials

Question 20

Polymerization

Answer 20

A type of chemical reaction that could be dangerous explosion can happen

Question 21

General Emergency behaviour model

GEBMO

Answer 21

Stress
Breach
Release
Dispersion
Exposure
Harm

Question 22

Three ways a container may fail

Answer 22

Mechanical
Thermal
Chemical

Question 23

5 ways a container can breach

Answer 23

Disintegration 
Punture
Spill or tear
Crack
Attatchments open and close

Question 24

7 engulfment/dispersions

Answer 24

Cloud- forms above
Cone-cone shape
Hemispheric- engulfs
Plume-wind blows to building
Pool- makes puddle
Stream- flows like a stream
Irregular dispersion-things trail through it and spread

Question 25

Container types and shapes

Answer 25

``` Bulk-capacity fixed-facility cointainers Bulk transportation container Intermediating bulk containers Ton containers Non bulking packaging Cointainers for radioactive materials ```

Question 26

Intermediate bulk transportation

Answer 26

Rigid or flexible portable packing designed for mechanical handling

Question 27

Transportation identification

Answer 27

Lbels placards markings un number Shape of real car and semi trailers ``` Colors Read is flammable yellow is explosive blue is health white is other ```

Question 28

Written resources to identify hazardous materials

Answer 28

Shipping papers Safety data sheets ERG

Question 29

Detection of hazardous materials

Answer 29

``` Changes in respirattion Visual disturbances Abdominal distress Changes in consciousness Skin changes Pain ```

Question 30

Indicator and signs to be aware of terrorist attacks

Answer 30

``` Chemical biological radiological nuclear explosive ```

Question 31

Terrorist attack

Answer 31

Beliberatly target ppl Large crowds Booby traps

Question 32

How to keep fire fighter safe

Answer 32

MaintainSituational awareness Avoid complacency Anticipate presence of secondary device Establish scene control zones Evacuate victims quickly