Updated Air Dispersion Modeling Guidance and Form MD Available 8/25/2021 4:01:00 PM View Count 1662 For those projects that may require modeling, DNR updated three guidance documents and Form MD. The updates remove references to the 24-hour and annual SO2 National Ambient Air Quality Standards (NAAQS), which have been revoked.
Public Comment Period for the 2015 Ozone Infrastructure State Implementation Plan 9/18/2018 8:55:00 AM View Count 2733 The Iowa Department of Natural Resources (DNR) is requesting public comment on the State of Iowa’s state implementation plan (SIP) for the national ambient air quality standards (NAAQS) for ozone.
Agenda for November 19 Air Quality Client Contact Meeting 11/12/2015 8:07:00 AM View Count 4075 An Air Quality Client Contact Meeting will be held Thursday, November 19, from 1:00 p.m. to 2:30 p.m. in the DNR Air Quality Bureau conference rooms.