_Questions HazMat Ops Bull 4. Radiological Incidents - Sheet1

Question 1

The NCR’s (National Capitol Region) fire departments will use the _____________ as the standard unit to mesure radiological exposure.

Answer 1

Roentgen (R)

Question 2

Radiation exposure rates will be mesured in Micro-Roentgen (uR), _______________ and _____________, per hour

Answer 2

Milli-Roentgen (mR) and Roentgen (R)

Question 3

If 1,000 (uR) = 1 (mR) and 1,000 (mR) = 1 (R) Then 1,000,000 (uR) = ___?

Answer 3

1 (R)

Question 4

What is the natural background of radiation in DC?

Answer 4

5-20 (uR) per/hr or 0.005-0.2(mR) per/hr

Question 5

What does ALARA stand for?

Answer 5

As Low As Reasonably Achievable

Question 6

What are the basic priciples for ALARA?

Answer 6

Maximize distance, Minimize exposure, Maximize shielding

Question 7

What is the Dose Limit (whole body) for- All Activities?

Answer 7

5 (R)

Question 8

What is the Dose Limit (whole body) for- Protecting Major Property?

Answer 8

10 (R)

Question 9

What is the Dose Limit (whole body) for- Lifesaving or protection of large populations?

Answer 9

25 (R)

Question 10

What is the Dose Limit (whole body) for- Lifesaving or protection of large populations, Only by volunteers who understand the risk?

Answer 10

> 25 (R)

Question 11

Where should the “Control Line” be established on incidents without life safety concerns?

Answer 11

2 times normal background or 50 (uR)

Question 12

What would you find in the “Cold Zone”?

Answer 12

generally an area intended to act as a buffer to keep persons not involved in the response away from the incident at a safe distance- Max Limit for this zone is 2 (mR)

Question 13

What would you find in the “Warm Zone”?

Answer 13

decon, equipment- Max Limit for this zone is 2(mR) to 1 (R)

Question 14

What would you find in the “Hot Zone”?

Answer 14

greatest degree of threat, highest level of ppe, clearly marked with tape to represent the greatest level of personal protection. This area is over 1 (R)

Question 15

What is the “Absolute Turn Back” Exposure?

Answer 15

200 (R)

Question 16

What do Dosimeters record?

Answer 16

Total exposure to external gamma radiation

Question 17

Where shoud “Pencil Dosimeters” be worn

Answer 17

Outside of PPE, on the core of the body, to allow for reading in the hot zone. these readings should be given every 15 minutes