NMTCB Radiation Safety Exam
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1. White I package Surface <0.5 mR/hr
1 meter = bkg
2. Yellow II package Surface .5 - 50 mR/hr
TI, 1 meter 0.1 - 1 mr/hr
3. Yellow III package Surface 50 - 200 mR/hr
TI, 1 meter 1 - 10 mR/hr
4. Type A package Adequate for normal transport.
Types 1, 2 and 3
5. Type B Used for large quantities of radioactive material
6. Caution radioactive materials Where radioactive materials are used or stored.
Usually entrance of labs.
7. Caution Radiation Area More than 5 mrem (.05 mSv) in 1 hr at 30 cm from
source
8. Caution High Radiation Area More than 100 mrem (1 mSv) in 1 hr at 30 cm from
source.
Usually where Radiation therapy is performed.
9. Grave Danger Very High Radiation > 500 Rad in 1 hr
Area
10. Unrestricted Area An area in which a person could not be exposed
to radiation levels in excess of 2 mrem in any one
hour from external sources
11. Restricted area Controlled access area for the protection of indi-
viduals from exposure to radiation.
, NMTCB Radiation Safety Exam
Study online at https://quizlet.com/_hivgnv
12. Posting exemptions Licensee is not required to post a room containing
RAM for 8 hrs or less. Materials must be constantly
attended.
13. How long must one keep surveys of Licensee shall maintain these records until termi-
individual doses, bioassays and re- nation of the license.
lease of radioactive effluents?
14. Hazardous Materials Any substance or material that is capable of posing
an unreasonable risk to health, safety and property
when transported in commerce.
15. Hazmat training frequency Within 90 days of employment and every 3 years.
16. Transportation index (TI) Maximum radiation level in mrem/hr at 1 meter.
Must be rounded up the next tenth.
17. UN2908 Empty excepted package (previously used to hold
radioactive materials).
18. UN 2910 Excepted package. Limited quantity of radioactive
material. Less than 0.5 mR/hr
19. UN2915 Used for: white 1, yellow,2 and yellow 3
20. Yellow III requirement Driver must have hazmat cdl license and vehicle
must be placarded
21. Wipe test Legal limit = 6,600dpm/300cm^2 or
22dpm/1cm^2
22. Returned containers -no removable contamination
-surface reading <0.5 mr/hr
Syringes with blood must be marked as biohazard
Study online at https://quizlet.com/_hivgnv
1. White I package Surface <0.5 mR/hr
1 meter = bkg
2. Yellow II package Surface .5 - 50 mR/hr
TI, 1 meter 0.1 - 1 mr/hr
3. Yellow III package Surface 50 - 200 mR/hr
TI, 1 meter 1 - 10 mR/hr
4. Type A package Adequate for normal transport.
Types 1, 2 and 3
5. Type B Used for large quantities of radioactive material
6. Caution radioactive materials Where radioactive materials are used or stored.
Usually entrance of labs.
7. Caution Radiation Area More than 5 mrem (.05 mSv) in 1 hr at 30 cm from
source
8. Caution High Radiation Area More than 100 mrem (1 mSv) in 1 hr at 30 cm from
source.
Usually where Radiation therapy is performed.
9. Grave Danger Very High Radiation > 500 Rad in 1 hr
Area
10. Unrestricted Area An area in which a person could not be exposed
to radiation levels in excess of 2 mrem in any one
hour from external sources
11. Restricted area Controlled access area for the protection of indi-
viduals from exposure to radiation.
, NMTCB Radiation Safety Exam
Study online at https://quizlet.com/_hivgnv
12. Posting exemptions Licensee is not required to post a room containing
RAM for 8 hrs or less. Materials must be constantly
attended.
13. How long must one keep surveys of Licensee shall maintain these records until termi-
individual doses, bioassays and re- nation of the license.
lease of radioactive effluents?
14. Hazardous Materials Any substance or material that is capable of posing
an unreasonable risk to health, safety and property
when transported in commerce.
15. Hazmat training frequency Within 90 days of employment and every 3 years.
16. Transportation index (TI) Maximum radiation level in mrem/hr at 1 meter.
Must be rounded up the next tenth.
17. UN2908 Empty excepted package (previously used to hold
radioactive materials).
18. UN 2910 Excepted package. Limited quantity of radioactive
material. Less than 0.5 mR/hr
19. UN2915 Used for: white 1, yellow,2 and yellow 3
20. Yellow III requirement Driver must have hazmat cdl license and vehicle
must be placarded
21. Wipe test Legal limit = 6,600dpm/300cm^2 or
22dpm/1cm^2
22. Returned containers -no removable contamination
-surface reading <0.5 mr/hr
Syringes with blood must be marked as biohazard
