Bloomberg News

San Francisco Ordered to Revise Wireless Radiation Rules

October 31, 2011

(Updates with excerpt from ruling in third paragraph.)

Oct. 27 (Bloomberg) -- San Francisco’s first-in-the nation warnings about cell-phone radiation, which companies such as Verizon Communications Inc. and AT&T Inc. would be required to post in retail stores, are misleading or inaccurate and must be revised, a federal judge ruled.

The city’s warnings should include language that says all mobile phones sold in the U.S. must meet safety standards for radio emissions set by the Federal Communications Commission, U.S. District Judge William Alsup in San Francisco ruled today.

The warnings should also be toned down to say that the World Health Organization has classified radiofrequency emissions as a possible carcinogen “rather than a known carcinogen or a probable carcinogen” and studies continue to assess the health effects of cell phones, Alsup said.

The ordinance will be blocked from enforcement unless the revisions are made, Alsup said.

The case is CTIA v. San Francisco, 3:10-cv-03224, U.S. District Court, Northern District of California (San Francisco).

--Editors: Stephen Farr, Mary Romano

To contact the reporter on this story: Karen Gullo in San Francisco at

To contact the editor responsible for this story: Michael Hytha at

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