SIP Status Reports
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Status of SIP Required Elements for Oklahoma Designated AreasRequired Elements by NAAQS / Area
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.
|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.|