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Safety Guidelines
National Council on Radiation Protection and
Measurement. The exposure limit takes into
consideration the body’s ability to remove heat from
the tissues that absorb energy from the wireless
phone and is set well below levels known to have
effects. Manufacturers of wireless phones must
report the RF exposure level for each model of phone
to the FCC. The FCC website (http://www.fcc.gov/oet/
rfsafety) gives directions for locating the FCC
identification number on your phone so you can find
your phone’s RF exposure level in the online listing.
8.What has the FDA done to measure the radio
frequency energy coming from wireless phones?
The Institute of Electrical and Electronic Engineers
(IEEE) is developing a technical standard for
measuring the radio frequency energy (RF) exposure
from wireless phones and other wireless handsets
with the participation and leadership of FDA
scientists and engineers. The standard,
‘Recommended Practice for Determining the Spatial-
Peak Specific Absorption Rate (SAR) in the Human
Body Due to Wireless Communications Devices:
Experimental Techniques,’ sets forth the first
consistent test methodology for measuring the rate
at which RF is deposited in the heads of wireless
phone users. The test method uses a tissue-
simulating model of the human head. Standardized
SAR test methodology is expected to greatly improve
the consistency of measurements made at different
laboratories on the same phone. SAR is the
measurement of the amount of energy absorbed in
tissue, either by the whole body or a small part of the
body. It is measured in watts/kg (or milliwatts/g) of
matter. This measurement is used to determine
whether a wireless phone complies with safety
guidelines.
9.What steps can I take to reduce my exposure to
radiofrequency energy from my wireless phone?
If there is a risk from these products - and at this
point we do not know that there is - it is probably
very small. But if you are concerned about avoiding
even potential risks, you can take a few simple steps
to minimize your exposure to radiofrequency energy
(RF). Since time is a key factor in how much exposure
a person receives, reducing the amount of time spent
using a wireless phone will reduce RF exposure. If
you must conduct extended conversations by
wireless phone every day, you could place more