Delaware: Air
The Department of Natural Resources and Environmental Control proposed revisions to the Delaware SIP concerning attainment of the NAAQS for particulate matter with a diameter of 2.5 microns or less (PM2.5). Comments are due March 4, 2008. http://regulations.delaware.gov/register/february2008/general/11%20DE%20Reg%201080%2002-01-08.htm#P34_2509.