California releases cell phone safety guidance: comparison of 2017 version vs. 2009 draft


January 4, 2018 (updated January 17, 2018)

In June, 2009, the Division of Environmental and Occupational Disease Control in the California Department of Public Health (CDPH) prepared a draft cell phone safety guidance document. Although the document reflected the consensus of the division, it was not released until May, 2017 pursuant to a court order–the outcome of a lawsuit filed under the California Public Records Act.

In December, 2017, the CDPH finally published their cellphone safety guidance document.

A side-by-side comparison of the contents of the original 2009 draft with the 2017 published version of the document appears below. The side-by-side can be downloaded at

For more information:

Cell Phone Safety Guidance from the California Public Health Department California’s Cell Phone Safety Guidance: Media Coverage

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