In this Aug. 16, 2012 photo, a combine harvests rice near Tucker, Ark. Consumer groups are pressuring the U.S. Food and Drug Administration to set federal guidance on allowable levels of arsenic in ... more 
In this Aug. 16, 2012 photo, a combine harvests rice near Tucker, Ark. Consumer groups are pressuring the U.S. Food and Drug Administration to set federal guidance on allowable levels of arsenic in rice, prompting the agency to consider possible new standards. So far, FDA officials say they have found no evidence that suggests rice is unsafe to eat. (AP Photo/Danny Johnston) less 
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Associated Press | Photo By Danny Johnston
Fri, Sep 21, 2012 11:12 PM EDT