The Department of Public Health and Environment is proposing to amend 5 Colo. Code Regs. §1001-8 regarding standards of performance for stationary sources. Changes would align mercury emissions monitoring and reporting requirements for electric utility steam generating units with federal requirements under the CAA. A public hearing will be held February 19, 2015, and the deadline for written comment is February 5, 2015. See http://www.sos.state.co.us/CCR/DisplayHearingDetails.do?trackingNumber=2014-01198.