June 13, 2008: Getting Involved in New LEED Rating Comment Period Can Benefit Contractors Barbara Dolim June 13, 2008 No Comments ROCKVILLE, Md. - The U.S. Green Building Council’s (USGBC’s) new LEED 2009 Existing Building: Operations and Maintenance rating system is now open for public comment through June 22, 2008 (www.usgbc.org).Read More