134FDA CONSUMER UPDATEIn such a case, FDA could require the manufacturers ofwireless phones to notify users of the health hazardand to repair, replace or recall the phones so that thehazard no longer exists. Although the existing scientificdata do not justify FDA regulatory actions, FDA hasurged the wireless phone industry to take a numberof steps, including the following:• Support needed research into possible biologicaleffects of RF of the type emitted by wireless phones;• Design wireless phones in a way that minimizes anyRF exposure to the user that is not necessary fordevice function; and• Cooperate in providing users of wireless phones withthe best possible information on possible effects ofwireless phone use on human health.FDA belongs to an interagency working group of thefederal agencies that have responsibility for differentaspects of RF safety to ensure coordinated efforts atthe federal level. The following agencies belong to thisworking group:• National Institute for Occupational Safety and Health• Environmental Protection Agency• Federal Communications Commission• Occupational Safety and Health Administration• National Telecommunications and InformationAdministrationThe National Institutes of Health participates in someinter-agency working group activities, as well.CH 5