Occupational Health and Safety Code

The Occupational Health and Safety Code provides specific technical health and safety rules and requirements for Alberta workplaces.

Alberta Regulation 191/2021

Schedule 12 Radiation Exposure

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Contents

Table 1 Maximum effective dose limits for ionizing radiation
Table 2 Maximum equivalent dose limits for ionizing radiation
Table 3 Maximum exposure limits for laser radiation for any persons
Table 4 Maximum exposure limits for radiofrequency electromagnetic fields for any persons
 

Table 1
 Maximum effective dose limits for ionizing radiation

[see sections 291.4 and 291.6]

 
Person Exposure Period Effective Dose Limit (mSv)
Worker, who uses or is directly involved in the use of ionizing radiation equipment or an ionizing radiation source One year 50
Rolling 5 calendar
years		 100
Worker, pregnant, who uses or is directly involved in the use of ionizing radiation equipment or an ionizing radiation source Balance of pregnancy after informing employer 4
Worker, student undergoing a course of instruction involving the use of ionizing radiation equipment One year 1
Worker, other One year 1

 

 

Table 2
 Maximum equivalent dose limits for ionizing radiation

[ See section 291.4]

 
Person Applicable Body Organ
or Tissue		 Exposure Period Equivalent Dose Limit (mSv)
Worker who uses or is directly involved in the use of ionizing radiation equipment or an ionizing radiation source Lens of the eye One year 50
Rolling 5 calendar years 100
Skin One year 500
Hands and feet One year 500
Worker, other Lens of the eye One year 15
Skin One year 50
Hands and feet One year 50

 

 

Table 3
 Maximum exposure limits for laser radiation for any persons

[See section 291.4]

 
Type of Radiation Maximum Exposure Limit
Laser As set out in ANSI Standard Z126.1‑2014, “American National Standard for the Safe Use of lasers” published by the American National Standards Institute

 

 

Table 4
 Maximum exposure limits for radiofrequency electromagnetic fields for any persons

[See section 291.4]

 
Type of Radiation Maximum Exposure Limit
Radiofrequency
Electromagnetic
Fields in the Range
from 3 kHz to
300 GHz		 As set out in Safety Code 6, (2015),
“Limits of Human Exposure to
Radiofrequency Electromagnetic
Fields in the Frequency Range from 3kHz to 300 GHz” published by Health Canada