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6. What is FDA doing to find out more about the possible health effects
of wireless phone RF?
FDA is working with the U.S. National Toxicology Program and with groups of
investigators around the world to ensure that high priority animal studies are
conducted to address important questions about the effects of exposure to
radiofrequency energy (RF).
FDA has been a leading participant in the World Health Organization International
Electromagnetic Fields (EMF) Project since its inception in 1996. An influential
result of this work has been the development of a detailed agenda of research needs
that has driven the establishment of new research programs around the world. The
Project has also helped develop a series of public information documents on EMF
issues.
FDA and the Cellular Telecommunications & Internet Association (CTIA) have a
formal Cooperative Research and Development Agreement (CRADA) to do research
on wireless phone safety. FDA provides the scientific oversight, obtaining input from
experts in government, industry, and academic organizations. CTIA-funded research
is conducted through contracts to independent investigators. The initial research
will include both laboratory studies and studies of wireless phone users. The CRADA
will also include a broad assessment of additional research needs in the context of
the latest research developments around the world.
7. How can I find out how much radiofrequency energy exposure I can
get by using my wireless phone?
All phones sold in the United States must comply with Federal Communications
Commission (FCC) guidelines that limit radiofrequency energy (RF) exposures. FCC
established these guidelines in consultation with FDA and the other federal health
and safety agencies. The FCC limit for RF exposure from wireless telephones is set
at a Specific Absorption Rate (SAR) of 1.6 watts per kilogram (1.6 W/kg). The FCC
limit is consistent with the safety standards developed by the Institute of Electrical
and Electronic Engineering (IEEE) and the 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 FDA done to measure the radiofrequency energy coming
from wireless phones?
The Institute of Electrical and Electronic Engineers (IEEE) is developing a technical
standard for measuring the radiofrequency 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