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FCC 1.1310
Revised as of December 4, 2012
Goto Year:2011 | 2013
§  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 §  1.1307(b), except in the case of portable devices
   which shall be evaluated according to the provisions of §  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]

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Goto Year: 2011 | 2013
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