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National Status of a CO (1971) SIP Required Element

Required Element: Basic I/M
As of 09/26/2020

Return to: Required Element Selection    NAAQS Selection

Required Element: Basic I/M
For Pollutant: CO (1971)    

State Area Name Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
AlaskaAnchorage Area 11/15/1992 07/11/1994 Approval 06/05/1995 60 FR 17232
AlaskaFairbanks Area 11/15/1992 07/11/1994 Approval 06/05/1995 60 FR 17232
ArizonaPhoenix Area 11/15/1992 09/06/1994 Approval 07/07/1995 60 FR 22518
MinnesotaMinneapolis-St. Paul Area 11/15/1992 11/10/1992 Approval 11/14/1994  
New MexicoAlbuquerque Area 11/15/1993 05/11/1995 Approval 07/15/1996 61 FR 29970
OregonMedford Area 11/15/1992 11/15/1993 Approval 03/26/1994 59 FR 2747
OregonPortland Area: Portland Metro Service District Boundary 11/15/1992 11/15/1992 Approval 03/21/1994 59 FR 2747
TennesseeMemphis Area 11/15/1992 10/15/1993 Approval 08/31/1994 59 FR 37939
TexasEl Paso 11/15/1993 11/15/1993 Approval 09/21/1994 59 FR 43046
WashingtonVancouver Area: Clark County (part) 11/15/1992 11/15/1993 Approval 09/25/1996 61 FR 50235
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.