Goto Section: 1.1309 | 1.1311 | Table of Contents
FCC 1.1310
Revised as of October 1, 2007
Goto Year:2006 |
2008
Sec. 1.1310 Radiofrequency radiation exposure limits.
The criteria listed in table 1 shall be used to evaluate the environmental
impact of human exposure to radiofrequency (RF) radiation as specified in
Sec. 1.1307(b), except in the case of portable devices which shall be evaluated
according to the provisions of Sec. 2.1093 of this chapter. Further information
on evaluating compliance with these limits can be found in the FCC's OST/OET
Bulletin Number 65, “Evaluating Compliance with FCC-Specified Guidelines for
Human Exposure to Radiofrequency Radiation.”
Note to Introductory Paragraph: These limits are generally based on
recommended exposure guidelines published by the National Council on
Radiation Protection and Measurements (NCRP) in “Biological Effects and
Exposure Criteria for Radiofrequency Electromagnetic Fields,” NCRP Report
No. 86, Sections 17.4.1, 17.4.1.1, 17.4.2 and 17.4.3. Copyright NCRP, 1986,
Bethesda, Maryland 20814. In the frequency range from 100 MHz to 1500 MHz,
exposure limits for field strength and power density are also generally
based on guidelines recommended by the American National Standards Institute
(ANSI) in Section 4.1 of “IEEE Standard for Safety Levels with Respect to
Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300
GHz,” ANSI/IEEE C95.1–1992, Copyright 1992 by the Institute of Electrical
and Electronics Engineers, Inc., New York, New York 10017.
Table 1—Limits for Maximum Permissible Exposure (MPE)
Frequency range
(MHz) Electric field strength
(V/m) Magnetic field strength
(A/m) Power density
(mW/cm^2) Averaging time
(minutes)
(A) Limits for Occupational/Controlled Exposures
0.3–3.0 614 1.63 *(100) 6
3.0–30 1842/f 4.89/f *(900/f^2) 6
30–300 61.4 0.163 1.0 6
300–1500 f/300 6
1500–100,000 5 6
(B) Limits for General Population/Uncontrolled Exposure
0.3–1.34 614 1.63 *(100) 30
1.34–30 824/f 2.19/f *(180/f^2) 30
30–300 27.5 0.073 0.2 30
300–1500 f/1500 30
1500–100,000 1.0 30
f = frequency in MHz
* = Plane-wave equivalent power density
Note 1 to Table 1: Occupational/controlled limits apply in situations in
which persons are exposed as a consequence of their employment provided
those persons are fully aware of the potential for exposure and can exercise
control over their exposure. Limits for occupational/controlled exposure
also apply in situations when an individual is transient through a location
where occupational/controlled limits apply provided he or she is made aware
of the potential for exposure.
Note 2 to Table 1: General population/uncontrolled exposures apply in
situations in which the general public may be exposed, or in which persons
that are exposed as a consequence of their employment may not be fully aware
of the potential for exposure or can not exercise control over their
exposure.
[ 61 FR 41016 , Aug. 7, 1996]
Goto Section: 1.1309 | 1.1311
Goto Year: 2006 |
2008
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