The IDNR is accepting public comments until May 27 concerning proposed rule changes to rescind outdated and obsolete rules. The proposed changes affect several air quality regulations including construction permits, Title V permits, PSD, and testing and monitoring methods. Additionally, IDNR will adopt amendments to various NESHAP/NSPS regulations and allow for the rescission of PSD permits for sources classified as major solely because of greenhouse gas emissions. IDNR is not adopting any NESHAP/NSPS that are currently under litigation or reconsideration. Submit comments to Christine Paulson by 4:30 p.m. on May 27, 2015 at Christine.Paulson@dnr.iowa.gov. For more information, click here.