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 10 Minimum Separation Distances

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Contents

Table 1 Minimum separation distances between explosives and fixed radiofrequency transmitters
Table 2 Minimum separation distances between explosives and mobile radiofrequency transmitters and cellular telephones
 

Table 1
 Minimum separation distances between explosives and fixed radiofrequency transmitters

[ See sections 503(1), (2) ]

 
Transmitter power
(watts)		 Minimum separation distance
(metres)
25 or less 30
26 – 50 45
51 – 100 65
101 – 250 110
251 – 500 135
501 – 1000 200
1001 – 2500 300
2501 – 5000 450
5001 – 10 000 675
10 001 – 25 000 1100
25 001 – 50 000 1500
> 50 000 By extrapolation of this data

 

 

Table 2
 Minimum separation distances between explosives and mobile radiofrequency transmitters and cellular telephones

[ See sections 503(1), (2) ]

 
 
 
Transmitter power
(watts)		 Minimum separation distance at selected frequencies (metres)
VHF
35 — 36 MHz public use
42 — 44 MHz public use
50 — 54 MHz public use		 VHF
 
144 — 148 MHz amateur
150.8 — 161.6 MHz public use		 UHF
450 — 470 MHz public use cellular telephones above 800 MHz
5 or less 25 8 5
6 — 10 35 12 8
11 — 30 57 19 12
31 — 50 80 26 17
51 — 100 115 40 24
101 — 200 160 55 35
201 — 250 180 60 40
251 — 500 250 85 55
501 — 1000 355 120 75
1001 — 1500 435 145 95
1501 — 10 000 1115 365 240