“It’s not what you know, it’s who you know.” This saying comes to mind when considering this next story about the U.S. Environmental Protection Agency.

For years, the EPA has been sitting on information about serious health risks posed by certain toxic chemicals. The agency’s job is to protect public health and the environment, so why haven’t we heard about these concerns?

Lawmakers and industry groups opposed to new regulations on toxic chemicals have found a way to keep the EPA mum. Reporter David Heath from The Center for Public Integrity has uncovered a strategy that has been remarkably successful for those guarding their own interests at the risk of public health. Contact the reporter at dheath@publicintegrity.org.

Julia B. Chan worked at The Center for Investigative Reporting until June, 2017. Julia B. Chan is a producer and the digital editor for Reveal's national public radio program. She’s the voice of Reveal online and manages the production and curation of digital story assets that are sent to more than 200 stations across the country. Previously, Chan helped The Center for Investigative Reporting launch YouTube’s first investigative news channel, The I Files, and led engagement strategies – online and off – for multimedia projects. She oversaw communications, worked to better connect CIR’s work with a bigger audience and developed creative content and collaborations to garner conversation and impact.

Before joining CIR, Chan worked as a Web editor and reporter at the San Francisco Examiner. She managed the newspaper’s digital strategy and orchestrated its first foray into social media and online engagement. A rare San Francisco native, she studied broadcasting at San Francisco State University, focusing on audio production and recording. Chan is based in Reveal's Emeryville, California, office.