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Status of SIP Required Elements for Colorado Designated Areas

Required Elements by NAAQS / Area
As of 09/28/2020

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Colorado: CO (1971) / Colorado Springs Area    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
CO contingency measures 11/15/1993 02/22/1994 Approval 02/23/1998 62 FR 67006
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
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Colorado: CO (1971) / Denver-Boulder Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
CO Attainment Plan 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
CO contingency measures 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
TCM to offset growth 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
VMT Forecast 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
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Colorado: CO (1971) / Fort Collins Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
CO contingency measures 11/15/1993 02/22/1994 Approval 02/23/1998 62 FR 67006
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
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Colorado: CO (1971) / Greeley Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
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Colorado: CO (1971) / Longmont Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
CO Attainment Plan 11/15/1992 07/13/1994 Approval 04/09/1997 62 FR 10690
CO contingency measures 11/15/1992 07/13/1994 Approval 04/09/1997 62 FR 10690
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
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Colorado: Ozone-1Hr (1979) / Denver-Boulder Area    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
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FR notice
I/M Basic 11/15/1993 01/14/1994 Approval