SIP Status Reports

You are here: EPA Home > Air Quality Implementation Plans > SIP Status Reports > National Status of a Lead (1978) SIP Required Element

National Status of a Lead (1978) SIP Required Element

Required Element: Lead Nonattainment NSR
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

Return to: Required Element Selection    NAAQS Selection

Required Element: Lead Nonattainment NSR
For Pollutant: Lead (1978)    

State Area Name Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
MontanaLewis & Clark County (part); City of East Helena and vicinity 07/06/1993 05/23/1994 Approval 09/18/1995 60 FR 36715
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.