Summary: Not even many feds may be aware of the small, independent U.S. Chemical Safety Board. It has a critical mission, investigating industrial chemical accidents. The board has had a somewhat rocky time over the past few years. Critics say it's understaffed. But recently it got a crucial rule out the door. For an update, the Federal Drive with Tom Temin spoke to the board's interim executive, Dr. Kristen Kulinowski. Learn more about your ad choices. Visit megaphone.fm/adchoices
