CHEMICAL SAFETY BOARD: Republicans push Obama to oust CSB chairman Kevin Bogardus, E&E reporter Published: Monday, July 7, 2014 Top House Republicans today called on President Obama to force a change in leadership at the Chemical Safety Board. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.