Minnesota: Air
The Minnesota Pollution Control Agency is extending the time for submission of comments, requests, and petitions on the Draft SIP Revision for Regional Haze until May 16, 2008. The purpose of this SIP revision is to address visibility protection at national parks, wildernesses, and scenic areas, also referred to as mandatory Class I federal areas. Comments are now due May 16, 2008. http://www.comm.media.state.mn.us/bookstore/stateregister/32_41.pdf pp. 1855-1856.