The Department of the Environment proposed to amend Md. Code Regs. 26.11.08, Control of Incinerators. Changes would clarify requirements for incinerators that demonstrate compliance with visible emissions standards through use of continuous opacity monitors. There will be a public hearing on February 15, 2011, and the deadline for comment is February 16. http://www.dsd.state.md.us/mdregister/3802.pdf pp. 110-12.