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National Status of a SO2 (1971) SIP Required Element

Required Element: SO2 SIP - secondary standard
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

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Required Element: SO2 SIP - secondary standard For Pollutant: SO2 (1971)
State	Area Name	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
Montana	East Helena Area	11/15/1993	10/26/2018	Approval	10/11/2019	84 FR 47897
Ohio	Gallia County; Addison Township	05/15/1992	10/26/1995	Approval	07/05/2000	65 FR 35577

We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status.