Rad Safety in Educational Institutions

Question 1

Federal Regulatory agencies

Answer 1

NRC, DOT, EPA

Question 2

Local Regulatory agencies

Answer 2

DCDOH - DC Dept of Health
MDE - Maryland Dept of Environment
VDH - Virginia Dept of Health

Question 3

Title 10 CFR 19

Answer 3

Notices, inspections and the rights and responsibilities of radiation workers

Question 4

Title 10 CFR 20

Answer 4

Radiation Safety program info, includes dose limits

Question 5

Title 49 CFR 171-178

Answer 5

RAM shipping regulations

Question 6

Air emission limit to general public

Answer 6

TEDE = 10 mrem/year

Question 7

Occupational TEDE limit

Answer 7

5 rem/year (50 mSv)

Question 8

Dose to lens of eye (LDE)

Answer 8

15 rem/year (150 mSv/year)

Question 9

shallow dose equivalent

Answer 9

50 rem/year (500 mSv)

Question 10

Annual limit on intake

Answer 10

5 rem / year; 50 Rem per organ over 50 years

Question 11

Dose limit for pregnant workers

Answer 11

500 mrem

Question 12

Derived Air Concentration

Answer 12

concentration if inhaled over 2000 hours - limit to public is 100mrem

Question 13

RAM posting

Answer 13

“Caution Radioactive Material” >10x Appendix C values

Question 14

RAM posting exceptions

Answer 14

1. <8 hrs if protected
2. contains sealed sources <5mrem/hr
3. Certain teletherapy/treatment rooms

Question 15

Radiation area criteria

Answer 15

> 5 mrem/hr at 30 cm from source

Question 16

High Radiation area criteria

Answer 16

> 100 mrem/hr at 30 cm from source

Question 17

Very High Radiation area criteria

Answer 17

> 500 rad/hr at 1 meter from source

Question 18

Airborne Radioactivity Area

Answer 18

1. < DAC
2. 0.6% ALI in one week
3. 12 DAC-hours in one week

Question 19

When is personnel dosimetry required?

Answer 19

1. Worker dose >10% of limits
2. Dose to a minor >0.1 rem
3. Pregnant worker with DDE> 0.1 rem
4. Entering high or very high radiation area

Question 20

Incidents requiring immediate reporting

Answer 20

1. TEDE > 25 rem
2. lens dose >75 rem
3. SDE > 250 rad
4. RAM release over 24 hours that could lead to 5x ALI

Question 21

Reports of theft or loss or RAM

Answer 21

1. if > 1,000 appendix C, immediately

2. in 30 days if >10 x appendix C

Question 22

Incidents require notification in 24 hours

Answer 22

all in 24 hours

1. TEDE >5 rem
2. Lens dose >15 rem
3. SDE >50 rem

Question 23

Radioactive White-I shipping

Answer 23

Max of 0.5 mrem/hr

Question 24

Radioactive yellow-II shipping

Answer 24

0.5-50 mrem/hr

Question 25

Radioactive yellow-III shipping

Answer 25

50-200 mrem/hr

Question 26

RAM package receipt

Answer 26

survey for radiation and contamination within 3 hours of receipt

Question 27

Waste disposal options

Answer 27

decay in storage
sanitary sewer release
transfer to RAM waste vendor
on site incineration

Question 28

IAEA “Code of Conduct—”

Answer 28

”—safety and security of radioactive sources”

Question 29

IAEA Code Category 1

Answer 29

permanent injury in few minutes. probably fatal

Question 30

IAEA Code Category 2

Answer 30

permanent injury in minutes to hours.

Question 31

IAEA Code Category 3

Answer 31

permanent injury in hours