CBRN Incidents

Question 1

CBRN

State the nine key tasks that apply to a CBRN incident?

Answer 1

1. command & control
2. mobilisation
3. arrival at scene
4. scene assessment
5. scene management
6. deliberate reconnaisance
7. rescue & triage
8. support & decon
9. survivor management

Question 2

CBRN

What are the three phases to a CBRN incident?

Answer 2

Response - the 1st 3 hours

Recovery - between hours 3 up to 24

Restoration - may last up to 12 weeks

Question 3

CBRN

Who has overall responsibility for a CBRN incident?

Answer 3

The Police

Question 4

CBRN

What is step 1 of ‘STEPS 123?

Answer 4

Single casualty, cause unknown;

Approach using normal procedures.

Question 5

CBRN

What is step 2 of ‘STEPS 123’?

Answer 5

2 Casualties - Cause unknown;

• Caution Consider all option
• Do not discount anything report your arrival to Brigade Control and update

Question 6

CBRN

What is step 3 of ‘STEPS 123’?

Answer 6

3 or More Casualties, Cause unknown;

DO NOT go to scene Go to predeterminded RVP Await further instruction

Question 7

CBRN

What is does CHALETS stand for?

Answer 7

• Casualties
• Hazards
• Access
• Location
• Emergency
• Type
• Safety

Question 8

CBRN

When should a ‘CHALETS’ assement be done?

Answer 8

ASAP then inform control & multi agency partners in attendence

Question 9

CBRN

Explain the C in CHALETS

Answer 9

Casualties - approx number who are;

• dead
• injured
• uninjured
• number trapped

Question 10

CBRN

Explain the H in CHALETS

Answer 10

Hazards- Present & potential

Question 11

CBRN

Explain the A in CHALETS

Answer 11

Access - best access routes for emergency services & suitable RVP

Question 12

CBRN

Explain the L in CHALETS

Answer 12

Location - The exact location of the incident using map references if poss

Question 13

CBRN

Explain the E in CHALETS

Answer 13

Emergency - What 999 services are present & required, consider the attendance of hospital medics, specialist equipment and special services

Question 14

CBRN

Explain the T in CHALETS

Answer 14

Type - Type of incident, with brief details of numbers of vehicles, trains, building and aircraft involved

Question 15

CBRN

Explain the S in CHALETS

Answer 15

**Safety - **Wear PPE and ensure you are in a safe area

Question 16

CBRN

What is the minimum distance of an RVP for activated device?

Answer 16

At least 100 Metres from the edge of any visible signs

Question 17

CBRN

What is the minimum distance of an RVP for not yet activated device?

Answer 17

400 Metres from the identified/percieved source

Question 18

CBRN

When considering secondary devices, what must the IC be mindful off?

Answer 18

A secondary device may be larger than the 1st !!!!

Question 19

CBRN

What is the most crtical element of scene management?

Answer 19

To establish cordons!

Reme, it is the police’s responsibility to establish the outer!

Question 20

CBRN

Name as many LFB deleberate reconnaissance tasks as possible

Answer 20

• protecting or saving lives
• hazardous substance detection
• hazardous substance identification
• hazardous substance monitoring
• assessment of hazardous substance
• sample collection on behalf of the Police
• mitigating effects of hazardous substance
• preventing escalation by containing hazardous substance

Question 21

CBRN

If the BTP SRU deploy, what message must the IC send strainght away ?

Answer 21

“Request support for BTP oxygen BA deployment”

This attendance will be treated as a seperate incident (aide memior 7 applies)

Question 22

CBRN

Who has primary responsibility for rescues?

Answer 22

The LFB

Question 23

CBRN

If the contaminent is unknown, what is the default level of PPE?

Answer 23

GTCPS

Question 24

CBRN

Who has prime responsibilty for decon on the public?

Answer 24

The LAS

Question 25

CBRN

Once the decision has been made to Mass Decon the public, what message must be sent?

Answer 25

“Implement mass decon procedure”

Question 26

CBRN

What is a Cold Zone?

Answer 26

The uncontaminated area between inner & outer cordon

Question 27

CBRN

What is a Warm Zone?

Answer 27

An area uncontaminated by the initial incident but becomes contaminated by the movement of people or vehicles

Question 28

CBRN

What is a Hot Zone?

Answer 28

It’s the contaminated area where the initial release occurs or spreads to

Question 29

CBRN

What is a Decon Area?

Answer 29

It’s where Emergency services decon structures are, initialy outside th einner cordon

Question 30

CBRN

What is Initial Cordon?

Answer 30

Its temporary established by the 1st wave of emergency services

Question 31

CBRN

What is an Inner Cordon?

Answer 31

It surrounds the area where hazardous activity may safly be conducted and emcompasses the Hot & Warm zones

Question 32

CBRN

What is an Outer Cordon?

Answer 32

It designates the controlled area into which unauthorised access is not permitted, it encompasses the Inner Cordon, Hot, Warm and Cold zones!

Question 33

CBRN

What are the possible indicators that will normally signify the release of a CBRN chemical device?

Answer 33

• dead or dying animals
• unexplained casualties
• multiple casualties
• unusual liquid, spray or liquid
• suspicious devices/packages

Question 34

CBRN

What visual signs could indicate CBRN chemical suspicious devices/packages?

Answer 34

• unexplained wiring
• compressed air cylinder
• liquid container
• aerosol
• timer
• batteries
• item of military origin.

Question 35

CBRN

What are the possible indicators that will normally signify the release of a CBRN radiological device?

Answer 35

• suspicious devices may contain the following
• nausea, vomiting, diarrhoea (noticeable within one hour of release).
• fatigue.
• black ‘burn’ marks on skin.

Question 36

CBRN

What items are usually used to construct radiological suspect devices and therefore be a visual indicator?

Answer 36

• unexplained wiring
• timer
• batteries
• unexplained munitions
• ball-bearings
• metal filings