The Department of Environmental Quality (MassDEP) gives notice of a public comment period on the Commissioner's proposal to allow payments into the Greenhouse Gas (GHG) Expendable Trust. MassDEP anticipates that one or more facilities subject to 310 CMR 7.29 ("affected facilities") will exceed the carbon dioxide emission standards of 310 CMR 7.29(5)(a)5. and may, therefore, need GHG credits for compliance, but there are insufficient GHG credits available at this time. The proposal would provide an additional mechanism for affected facilities to demonstrate compliance with the carbon dioxide (CO2) emission standards set forth in 310 CMR 7.29(5)(a)5. MassDEP intends to continue to allow payments into the GHG Expendable Trust until September 1, 2009, the final deadline for compliance with the CO2 requirements of 310 CMR 7.29(5)(a)5. Comments are due January 24, 2008. http://www.mass.gov/dep/public/hearings/ghgetphn.htm.