DES MOINES – The DNR Air Quality Bureau has the following draft permits up for review. The permits help protect Iowans’ health and the air where we live. DNR’s permitting staff review the applications to ensure facilities comply with state and federal air quality standards. The public has the right and is encouraged to comment on draft permits. DNR considers public comments before finalizing the permits. Submit comments in writing to the assigned permit writer before 4:30 p.m. on the last day of the comment period.

Construction Permits

DNR engineers review and issue construction permits to facilities before they build new or modify existing sources of air pollution. The public may review the following air quality construction permits available online at https://idnraqrr.iowadnr.gov/ConPermitSearch or through the EASY Air Public Inquiry Portal and then click the Public Notice tab.

Muscatine County

Grain Processing Corporation, 1600 Oregon Street, Muscatine

Project 25-329

Emission Points 135.0 and 136.0: The purpose of this project is to modify the permits for the #4 Maltrin Spray Dryer. Based on data from recent stack tests, the exhaust air flow rate is modified for both stacks, the emission limit for PM and PM10 is increased for EP135.0, and the operating limits for the wet scrubber and fabric filter baghouse on EP136.0 are modified to better match current conditions. The public comment period ends March 22.