An anonymous reader writes "The FCC, responding to anonymous complaints that cell phone jamming was occurring at two businesses, investigated and issued each a Notice of Apparent Liability for Forfeiture and Order (NAL). You can read the details of the investigation and calculation of the apparent liability in each notice below. Businesses engaged in similar illegal activity should note the public safety concerns and associated fines. From the article: 'The FCC issued a Notice of Apparent Liability for Forfeiture and Order to each business: The Supply Room received an NAL in the amount of $144,000 (FCC No. 13-47), while Taylor Oilfield Manufacturing received an NAL in the amount of $126,000 (FCC No, 13-46).'"