LIMITS OF HUMAN EXPOSURE TO RADIOFREQUENCY ELECTROMAGNETIC ENERGY IN THE FREQUENCY RANGE FROM 3 KHZ TO 300 GHZ

Maximum levels of human exposure to RF fields at frequencies between 3 kHz and 300 GHz, to prevent adverse human health effects in both controlled and uncontrolled environments.

Electric and Magnetic Field Strength (3 kHz–10 MHz)

Frequency (MHz)	Reference Level Basis	Reference Level (ERL), (V/m, RMS)		Reference Period
		Uncontrolled Environment	Controlled Environment
0.003–10	NS	83	170	Instantaneous*
1.0–10	SAR	87 / ƒ 0.5	193 / ƒ 0.5	6 minutes**

Frequency (MHz)	Reference Level Basis	Reference Level (HRL), (A/m, RMS)		Reference Period
		Uncontrolled Environment	Controlled Environment
0.003–10	NS	90	180	Instantaneous*
0.1–10	SAR	0.73 / ƒ	1.6 / ƒ	6 minutes**

Electric Field Strength, Magnetic Field Strength and Power Density (10 MHz–300 GHz)

Frequency (MHz)	Electric Field Strength (ERL), (V/m, RMS)	Magnetic Field Strength (HRL), (A/m, RMS)	Power Density (SRL), (W/m2)	Reference Period (minutes)
10–20	27.46	0.0728	2	6
20–48	58.07 / ƒ 0.25	0.1540 / ƒ 0.25	8.944 / ƒ 0.5	6
48–300	22.06	0.05852	1.291	6
300–6000	3.142 ƒ 0.3417	0.008335 ƒ 0.3417	0.02619 ƒ 0.6834	6
6000–15000	61.4	0.163	10	6
15000–150000	61.4	0.163	10	616000 / ƒ 1.2
150000–300000	0.158 ƒ 0.5	4.21×10–4 ƒ 0.5	6.67×10–5 ƒ	616000 / ƒ 1.2

Frequency (MHz)	Electric Field Strength (ERL), (V/m, RMS)	Magnetic Field Strength (HRL), (A/m, RMS)	Power Density, (SRL), (W/m2)	Reference Period (minutes)
10–20	61.4	0.163	10	6
20–48	129.8 / ƒ 0.25	0.3444 / ƒ 0.25	44.72 / ƒ 0.5	6
48–100	49.33	0.1309	6.455	6
100–6000	15.60 ƒ 0.25	0.04138 ƒ 0.25	0.6455 ƒ 0.5	6
6000–15000	137	0.364	50	6
15000–150000	137	0.364	50	616000 / ƒ 1.2
150000–300000	0.354 ƒ 0.5	9.40×10–4 ƒ 0.5	3.33×10–4 ƒ	616000 / ƒ 1.2

Source: Consumer and Clinical Radiation Protection Bureau Environmental and Radiation Health Sciences Directorate Healthy Environments and Consumer Safety Branch Health Canada

SAFETY CODE 6 (2015)