Sage Associates, environmental consultants, published the results of their study online on Friday.
The study found FCC public safety limit violations could be possible within six inches of the meter, said Barry Smith, a spokesman for Environmental Health Coalition of West Marin.
"PG&E is misleading the public with false assurances of safety.
SmartMeter radiation will be a permanent part of the home, and people have no idea how high their chronic RF exposure might be," Smith said in a statement.