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Flashcardlet > ERP add 4 Radiological ops > Flashcards

ERP add 4 Radiological ops Flashcards

1
Q

1.1 What shields alpha rays?

A

Intact skin, inches of air, sheet of paper ( range of alpha rays are 1-2 inches)

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2
Q

1.1 What shields beta rays?

A

Approx 1 inch of plastic, aluminum, glass (range of beta rays is up to 10 feet)

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3
Q

1.1 What shields gamma rays?

A

Several inches of lead, concrete, steel, a foot of dirt or water. Range of gamma rays is several hundred feet.

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4
Q

1.1 What shields neutron rays ?

A

High hydrogen content material ex: 3 feet of water, 1 foot of concrete or 10 inches of plastic. The range of neutron rays is several hundred feet.

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5
Q

1.4.3 what does the rad 50 alarm at? The rad 50 is able to measure radiation levels up to ____ mr/hr?

A

The rad 50 alarms at 1 mr/hr
The rad 50 measures radiation levels up to 50 mr/hr
Note: the Ludlum reads up to 100 rem/hr. SIAC dosimeters and Canberra mini radiacs can read up to 999 rem/hr

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6
Q
  1. The normal background radiation rate for NYC is?
A

0.02 mr/hr to 0.05 mr/hr

Avg person is exposed to approx 360 mR per year or about 1 mR per day

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7
Q

3.2 how long does it take for radiation fallout from a improvised nuclear device to occur?

A

Approx 15 mins. Units should not enter the area of detonation until at least 15 mins when presence of radiation can then be detected and monitored

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8
Q

6.2.2

What is the priority of decontamination of victims at a radiological emergency?

A
  • patients with life threatening injuries that effect ABCs
  • patients that are most severely contaminated but are not symptomatic
  • discretion for the following: pregnant women, children, seniors, non life threatening injuries
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9
Q

Add 4a p2 “annual background readings”
Using the rad 50, all units monitor area IFO qtrs for _____ mins during the 1st full week of May
Info is then recorded on the _______ report. Elevated readings above .05 mr/hr but less than .9 mr/hr , officer forwards copy of _____ report to ____________.

A

-5 mins
-rad 3 report “radiation background monitoring chart”
- rad 2 titled “ elevated background radiation readings
- forward to Hazmat ops
A copy of this data chart forwarded to battalion and then up chain of command

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10
Q

Add 4b Geiger Counter CDV 700 p 5

This instrument should be inspected weekly on ________ at ________hrs.

A

The Geiger counter should be inspected weekly on Wednesdays at 2030 hrs. All members will participate in this procedure

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11
Q

Add 4a maintenance of rad 50 p 3
Requires that a 9 volt battery be changed every 3 mths on Jan 1, April 1, July 1 and Oct 1 An entry shall be made in the office record journal to include what 4 things?

A
  • Date of maintenance
  • Serial number of rad 50
  • Name of FF making the change
  • Name of company officer supervising the change
    Co’s shall use the firehouse expense fund to purchase 9 volt batteries .
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12
Q

Add 4 b Geiger counter CDV 700

What rays can this instrument detect?

A

The probe consists of a Beta-Gamma sensitive tube With the window closed only gamma radiation reaches the Geiger tube. If window is opened by rotating the shell, both beta and gamma radioactivity affect the tube

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13
Q

Add 4b Geiger counter CDV 700 p5
What solvent should you use to clean ?
- defects reported to?
-Batteries stored?

A
  • do not use any solvents to clean instrument
  • report defects to radiological unit at BOT
    -Batteries must be removed when not in use
    Note: do not immerse in water
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14
Q

Add 4 D ultraradiac operational test 6.3
Press and hold clear/test key until display test sequence begins.
- What does a blinking 9 indicate?
- what does a blinking 0 indicate ?

A
  • a blinking 9 indicates ultraradiac passed all tests

- a blinking 0 indicates an instrument failure ; place OOS

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15
Q

Geiger Counter - Ludlum 14 C p 7
What will it detect?
Does it respond instantaneously?

A

May detect alpha, beta, or gamma radiation depending on the probe attached to the meter
Survey meters do not respond instantaneously to changes A period of at least 15 seconds is needed

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16
Q

Add 4 D clearing the accumulated dose 6.6

How do you clear the accumulated dose ?

A

Press dose to see the accumulated dose
- press and hold Dose and Clr/Test keys
- the displays flashes for a few secs then clears the dose
Note: Dose is NOT cleared when you turn off.

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17
Q

Add 4 D alarms 7.0

What is the low/ high alarm rate/dose ?

A

Low alarm for rate is 2 mr hr
High alarm for rate is 50 R / hr
Low alarm for dose is 5 Rems
High alarm for dose is 12 Rems

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18
Q

Add 4 D 6.7 source finder mode
Enables you to locate an isolated source by using an audible sound. The unit will start clicking near radioactive material. As the user moves closer to the radiation, the unit will click faster. Aim top of unit at source. How do you put in source finder mode?

A

Press and hold the Rate key until the display changes to a flashing “1”
Release the rate key
Exit source finder mode by pressing and holding Rate key until display changes to a flashing 0 Release Rate key

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19
Q

Add 4 D batteries

What does a blinking “b” indicate on the ultraradiac?

A

The unit has stopped functioning and the batteries need to be replaced

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20
Q

Add 4 D batteries

What does a blinking BAT indicate on the ultraradiac?

A

If BAT seen in the top left corner, less then 10 hours or less of useful life. The batteries need to be replaced.
If the display is blank, batteries are dead

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21
Q

Routes of exposure to hazardous radiological material

A

“I-PIES” w/NO “E”: Inhalation, Penetration/injection, Ingestion, Skin Absorption

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22
Q

Define Acute Dose of Radiation

A

Large dose received in short period of time ex: acute dose of sun’s rays= sunburn

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23
Q

Burns from radiation appear (instantly/delayed)

A

Delayed (burns developing on-scene may be chemical or thermal in nature)

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24
Q

What zones can pregnant women work in

A

Only in the Cold Zone

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25
Q

Define Rate

A

How fast radiation is deposited. Measured w/Rad Alert 50 and Ultra Personal Rad

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26
Q

Define Radiological Incident

A

Radiological meter readings are above background from legitimate source & source has NOT been released from its container. Readings MUST be confirmed w/2nd meter. Transmit 10-80 No Code or Code 1. (INcident IN container)

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27
Q

Define Orphan source

A

Abandoned radiological source where ownership is NOT known or available AND NO Criminal intent

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28
Q

Define Radiological Emergencies

A

Source out of its container accidentally or intentionally or radiological meter readings are above what’s expected for location. Must be confirmed w/2nd Meter

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29
Q

Can FD members enter Hot Zone for Radiological Emergencies

A

Only for lifesaving purposes (Rescue & Redcon, Fire suppression)

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30
Q

FDNY Protective Action Guidelines (PAGs) Decision at Dose: Emergency Activity Performed
50 REM; 25; 10; & 5

A

50 REM= Lifesaving for Catastrophic Event
25= Lifesaving/Protection of Large Population
10: Protection of Major Property
5= General Ops at Radiological Emergency

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31
Q

Evacuate civilians from buildings in surrounding areas of Radiological emergencies if Dose inside bldg will reach _ Rem for General Population & _ Rem for special groups such as Non-ambulatory hospital pts & Prisoners

A

5; 10 Rem

32
Q

Radiological Attacks: What should be addressed 1st for victims- Decon or Life-threatening injuries

A

Life threatening injuries

33
Q

The Dose of radiation is (directly/exponentially) proportional to length of time of exposure

A

Directly

34
Q

If manpower permits- members receiving absorbed doses should be rotated _

A

At Dose levels of 5 Rem or 1 SCBA tank is expended

35
Q

Levels of radiation decline (directly/exponentially) as distance increases from source

A

Exponentially: Inverse-Square relationship. ex- Distance from source doubled the level of radiation is reduced to 1/4 its original intensity

36
Q

What shall Units in surrounding boroughs immediately do upon confirmation of a release from RDD or RID

A

Begin to monitor their response area for any changes in levels of background radiation using Rad Documentation forms. Forward to FDOC

37
Q

Can TIC be used to detect radiological material

A

Some radiological elements emit heat & can be picked up by TIC

38
Q

How long does it take Rad50 to show changes on LCD display/readout

A

A full minute but if rate at anytime exceeds 1mR/hr the Rad 50 will immediately sound the alert tone

39
Q

Hotline shall be established at a rate of _ (measurements from environment NOT people)

A

2 mR/hr with Red Tape in Circular pattern

40
Q

What extra equipment shall be carried by all members for Radiological emergencies in regard to respiratory protection

A

APR & Adapter in case SCBA depletes (also used for Under River Rails)

41
Q

Decon is considered successful for Rad emergencies as long as levels don’t exceed _

A

Twice the background level (NYC .02-.05)

42
Q

_ (Wet/Dry) Decon is preferred at Radiological emergencies

A

Dry

43
Q

Any exposure to radiation must be documented. Total dose received must be recorded on forms. What forms are filled out

A

CD 72 & CD 73

44
Q

Each _ REM dose requires notification to IC

Radioactive warning placards are req’d on all rail freight cars, motor vehicles, or trailers containing _

A

5 REM

More than 1000 lbs of radioactive material (fixed on front, rear, & each side of carrier 10” X 10”)

45
Q

Radioactive White I, Yellow II, or III packages must be labeled w/TI indicating levels _

A

Levels of radiation 1 meter from package in mR/hr (2 labels on opposite sides of package at least 4” long)

46
Q

Characteristics of Ultra Rad during Low Rate Alarm

A

RATE/Alarm indicators flash slowly, audio beeps slowly, Green light on left side flashes slowly, vibrates slowly

47
Q

Characteristics of Ultra Rad during High Rate Alarm

A

Entire display flashes quickly, audio beeps quickly, Red light on left side flashes quickly, vibrates quickly

48
Q

Characteristics of Low Dose Alarm

A

Visual alarm flashes slowly, beeps slowly, Green light on right flashes slowly, vibrates slowly

49
Q

Characteristics of High Dose Alarm

A

Visual Dose alarm indicators flash quickly, Red light on right side flashes quickly, vibrates quickly

50
Q

In Rate Mode w/BAT indicator blinking on Ultra Rad press CLR/TEST key- 3 digit number shows. What does that signify

A

Battery life in minutes

51
Q

Batteries for FF Ultra Rad shall be stored outside the instrument & within Yellow Pelican case. Keep a minimum of _ batteries

A

8 batteries for each Ultra Rad (4 batteries needed for replacement)

52
Q

3 Rows of 3 dashed lines on Ultra Rad

A

OOS

53
Q

OOS Ultra Rads sent complete w/case to _

A

Haz Mat Ops for exchange & repair

54
Q

Ultra Rads shall be returned to _ for calibration check

A

Haz Mat Ops annually (CO Meter Semi-annually)

55
Q

Upon confirmation of an incident where Rad 50 readings are above 50 mR/hr max dose rate of Rad 50, IC shall notify Command Chief. Units will be notified to do what

A

Turn on Rad50 to track Radiological plumes & record results on Rad 4 form. Fax to admin BC & forward report to FDOC if readings exceed normal background levels. Readings every 5 minutes. Fax BC every 30 min

56
Q

How long does it take Ultra Rad to measure radiation level (RATE)

A

Measure RATE instantly as well as total accumulated dose over time

57
Q

Ultra Rad can detect _ & _

A

Gamma & X-ray (alpha, beta, neutrons will need other instruments)

58
Q

When is the Ultra Rad turned on

A

Whenever out of qtrs (emergency & non-emergency operations). Clear tourly. Turn off in qtrs

59
Q

Is the Ultra Rad waterproof

A

Yes

60
Q

_ is the number of minutes you can stay in an area without exceeding the High Dose threshold. Press the Alarm button to get the reading

A

Stay time

61
Q

Max level of radiation on surface of package for Radioactive White I, Yellow II, & III (TI applies to Gamma radiation only)

A

White I: Almost No radiation .5 mR/hr
Yellow II: Low levels 50 mR/hr surface & 1 mR/hr 1 meter away
Yellow III: 200 mR/hr surface & 10 mR/hr 1 meter away

62
Q

When shall units turn on Rad50

How long does it take Rad50 to warm up when turned on

A

When Units leave quarters

1 full minute; same to show change on LCD display, but alert-tone will be immediate for rate over 1 mR/hr

63
Q

How far should alpha port be from object testing

A

1-2 inches w/open window on top of the case. Any alarm requires confirmation by 2nd Unit

64
Q 
Potassium Iodide (KI) is used for _; 
Ideal window for KI tablet _
How many tablets are taken
A

Thyroid blocking agent to prevent absorbing radioactive iodine (must take early);
Pre-Exposure or immediately post exposure;
Just 1- Higher doses NOT recommended;

65
Q

Who carries KI & where is it stored?

A

Eng, Lad, Sqd, Res, BC, DC, Borough Cmd, & Cmd Chiefs shall all carry 130 mg Potassium Iodide (KI) tablets in the glovebox of their apparatus/vehicle

66
Q

Radiological situation in a UPS truck. Rad50 receives a reading of 2mR/hr one meter from a package. The package has a label with a Transport Index of 1mR/hr. Incorrect?
A. This is a radiological emergency, not a radiological incident.
B. If the event is considered intentional, the Fire Marshals shall be special called for additional security and crime scene preservation.
C. Any area that causes the Rad50 to alarm requires confirmation by a second radiation meter.
D. Hotline- edge of Hot Zone. Warm zone- specific area near the edge of hotline superimposed in the cold zone which encircles the source of radiation

A

D. sect 4.4.2.C - A warm zone does not encircle the source of radiation.

67
Q

Additional caches of 130 mg Potassium Iodide (KI) tablets will be stored _

A

Division Offices. Members shall only take KI tablets when ordered by Chief of Department

68
Q

During BISP in your admin area you notice that your RAD 50 is detecting radiation levels of 0.07 mR/hr. Correct:
A. Request the response of the Haz Mat battalion
B. Forward a report to Haz Mat operations
C. Take no action, these are normal background levels
D. Give a 10-80 code and confirm with another available meter

A

B. Any unusual or elevated background readings

(>.05mR/Hr but

69
Q

Which is a proper statement about the RAD 50?
A: It begins to alarm at 2 mR/hr.
B: Measures rates up to 999 Rem/hr
C: Takes up to 30 seconds for the RAD 50 readings to change on the LCD
D: Can be used to detect and track radiation plumes.

A

D

A. Alarms at 1.000 mR/Hr.
B. 50 mR/hr.
C. 1 minute.
Haz Mat ERP Add 4 sec 4.2, 4.2.2 Note

70
Q 
Gamma radiation can be shielded by all of the following except?
A: Several inches of Lead
B: Several inches of Concrete
C: Several inches of Aluminum
D: Foot of dirt or water
A

C) Several inches of Steel (Appx 1” of aluminum can shield Beta radiation)
ERP Add 4 Table 1

71
Q 
What type of radiation consists of particles that can penetrate skin up to 1/4" including eyes
A. Alpha
B. Beta
C. Gamma
D. Neutron
A

B Table 1 Shielding approx 1” of Glass, Aluminum, Plastic;

Beta Range up to 10’

72
Q 
What is considered the "greatest danger" from a RID
A. Acute radiation effects
B. Level of radiation
C. Ensuing panic
D. Expanding fire
A

D (2.3.2 C)

73
Q 
According to FD PAG's, what is the Decision Dose for Lifesaving or Protection of Large Populations
A. 5 REM
B. 10 REM
C. 25 REM
D. 50 REM
A

C (3.1.4 A)

74
Q

Minimum precautions Radiation incorrect
A. Members shall don proper PPE, including bunker gear (with hood & helmet) & SCBA
B. APR & adapter must be carried by each member in case their SCBA tanks gets depleted
C. Members shall carry at least one radiation detector per team
D. Members shall carry at least one dosimeter detector per team

A

D Dosimeter- 1 per person 4.4.3 C

75
Q

Correct order for Decon of Radiological contamination
1. Patients that are most severely contaminated but are not symptomatic
2. Patients with life-threatening injuries (injuries that affect ABCs)
3. Contaminated children pregnant women, senior citizens
A. 3, 2, 1
B. 1, 2, 3
C. 1, 3, 2
D. 2, 1, 3

A

D (6.2.2.)

76
Q

Ultraradiac Radiation Monitor correct
A. You can press ALARM key to see your Stay Time
B. Blinking BETA indicator, signals a High Dose of radiation has been received
C. You will receive a High Rate Alarm at 50 mR/hr
D. You will receive a Low Dose Alarm at 2 R

A

A Stay time is the number of minutes you can stay in an area without exceeding the High Dose threshold

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