- Minor Source Emission Inventory Questionnaires (MSEIQs) are due May 15 for minor source facilities in the central section of Iowa (Field Offices 2 and 5) and Portable Plants. MSEIQ forms and instructions are available on the IDNR Minor Sources webpage.
- U.S. EPA's Toxic Release Inventory (TRI) reports are due July 1 for facilities manufacturing, processing, or otherwise using subject chemicals over threshold quantities. Reports must be submitted through U.S. EPA's electronic TRI-MEweb application.
Contact Trinity's Iowa Office Staff at (319) 758-0758 (West Burlington Office) or (515) 225-4303 (West Des Moines Office) for assistance with your reporting needs.