The Department of Environmental Conservation proposed to amend N.Y. Comp. Codes R. & Regs. tit. 6, §§200 & 621, Indirect Sources of Air Contamination. Changes pertain to new or modified sources in sections of Manhattan. There will be a public hearing March 26, 2013, and the deadline for comment is April 2. See http://docs.dos.ny.gov/info/register/2013/feb6/pdf/rulemaking.pdf (pp. 4-6).