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DNR News Releases

Archive by tag: SO2Return

Sulfur Dioxide Data Requirements Rule Report Available for Public Review and Comment

• 5/17/2022 8:47:00 AM
• View Count 1100

The DNR invites the public to provide comments on the 2022 report for the sulfur dioxide (SO2) Data Requirements Rule (DRR). The DRR requires an annual assessment of recent SO2 emissions in any area where air quality modeling of actual emissions provided the basis for designating the area attainment for the 2010 1-hour SO2 national ambient air quality standard (NAAQS).

Opportunity for Public Comment on the Muscatine 1-hour SO2 Maintenance Plan

• 8/21/2021 1:22:00 PM
• View Count 1591

The DNR invites the public to provide comments on a draft plan to help redesignate the Muscatine area from nonattainment to attainment with the 1-hour sulfur dioxide (SO2) national ambient air quality standard. The DNR intends to submit the plan to the U.S. Environmental Protection Agency (EPA) as a revision to Iowa’s state implementation plan (SIP).

Public Comment Opportunity - Sulfur Dioxide Data Requirements Rule Report

• 5/9/2019 12:12:00 PM
• View Count 2418

The DNR invites the public to provide comment on the 2019 report for the sulfur dioxide (SO2) Data Requirements Rule (DRR).

Sulfur Dioxide Data Requirements Rule Report Available for Public Review and Comment

• 5/17/2018 8:28:00 AM
• View Count 2983

The DNR is evaluating recent changes in sulfur dioxide (SO2) emissions in Des Moines and Wapello Counties in the second annual report required by the federal SO2 Data Requirements Rule (DRR). The DRR requires an annual assessment of recent SO2 emissions in any area where air quality modeling of actual emissions provided the basis for designating the area attainment for the 2010 1-hour SO2 national ambient air quality standard (NAAQS).

Sulfur Dioxide Data Requirements Rule Report Available for Public Review and Comment

• 5/16/2017 8:48:00 AM
• View Count 3261

The DNR is documenting significant reductions of sulfur dioxide (SO2) emissions in Des Moines and Wapello Counties in the first annual report required by the federal SO2 Data Requirements Rule (DRR).  The DRR requires an annual assessment of recent SO2 emissions in any area designated attainment based on air quality modeling of actual emissions.