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A P P E N D I X
understanding of the risks presented by cellular phone RF emissions. RF
emissions from cellular phones have not been shown to present a risk of injury
to the user when the measured SAR is less than the safety limits set by FCC
(an SAR of 1.6 w/kg). Even in a case where the maximum measurement
uncertainty permitted by current measurement standards was added to the
maximum permissible SAR, the resulting SAR value would be well below any
level known to produce an acute effect. Consequently, FCC's approach with
measurement uncertainty will not result in consumers being exposed to any
known risk from the RF emitted by cellular telephones.
FDA will continue to monitor studies and literature reports concerning acute
effects of cell phone RF, and concerning chronic effects of long-term
exposure to cellular telephone RF (that is, the risks from using a cell phone for
many years). If new information leads FDA to believe that a change to FCC's
measurement policy may be appropriate, FDA will contact FCC and both
agencies will work together to develop a mutually-acceptable approach.
Updated July 29, 2003
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