A government watchdog group that is lobbying EPA to set standards for products containing coal combustion residue (CCR) is broadening its effort, asking the U.S. Green Building Council (USGBC), which certifies construction projects, to stop allowing products made with coal combustion wastes to receive recycled material credits when seeking certification, arguing the waste is toxic and can be harmful to human health. Public Employees for Environmental Responsibility (PEER) -- which last year urged EPA to strengthen its proposed rule regulating...