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

Contents

 

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