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Status of SIP Requirements for Designated Areas

Delaware Areas by Pollutant
As of 08/17/2014
View Nonattainment Contacts


Jump to Delaware section for:  CO (1971)   Lead (1978)   Lead (2008)   NO2 (1971)   Ozone-1Hr (1979)   Ozone-8Hr (1997)   Ozone-8Hr (2008)   PM-10 (1987)   PM-2.5 (1997)   PM-2.5 (2006)   SO2 (1971)   SO2 (2010)   


Delaware CO (1971) Areas    Return to map    

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No designated areas for this pollutant.

Delaware Lead (1978) Areas    Return to map    

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No designated areas for this pollutant.

Delaware Lead (2008) Areas    Return to map    

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No designated areas for this pollutant.

Delaware NO2 (1971) Areas    Return to map    

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No designated areas for this pollutant.

Delaware Ozone-1Hr (1979) Areas    Return to map
 
Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Philadelphia-Wilmington-Trenton Area Revoked NAAQS 11/15/1990 Severe-15 700,789 2010-2012 0.111 Yes 30 / 29 08/25/2008
73 FR 43360
   
 
Sussex County Area Revoked NAAQS 01/06/1992 Marginal 197,145 2010-2012 0.107 Yes 8 / 8 03/20/1995
60 FR 3349
   
 

Delaware Ozone-8Hr (1997) Areas    Return to map    

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Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Philadelphia-Wilmington-Atlantic City Area Nonattainment 06/15/2004 Subpart 2/Moderate 897,934 2010-2012 0.087 No 53 / 53 04/25/2012
77 FR 17341
   
 

Delaware Ozone-8Hr (2008) Areas    Return to map    

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Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Philadelphia-Wilmington-Atlantic City Nonattainment 07/20/2012 Marginal 538,479 2010-2012 0.087 No 0 / 0  
 
   
 
Seaford Nonattainment 07/20/2012 Marginal 197,145 2010-2012 0.081 No 0 / 0  
 
   
 
OTR (Statewide)               0 / 0  
 
   
 

Delaware PM-10 (1987) Areas    Return to map    

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No designated areas for this pollutant.

Delaware PM-2.5 (1997) Areas    Return to map    

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Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(g/m)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Philadelphia-Wilmington Nonattainment 04/05/2005 Moderate 538,479 2010-2012 13.4 Yes 6 / 5 06/15/2012
77 FR 28782
12/14/2012 09/04/2014
79 FR 45350

Delaware PM-2.5 (2006) Areas    Return to map
Area designated nonattainment for the 24-hour standard.    

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Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
24-Hr
(g/m)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Philadelphia-Wilmington Nonattainment 12/14/2009 Moderate 538,479 2010-2012 31 Yes 6 / 1 01/07/2013
78 FR 882
12/14/2012 09/04/2014
79 FR 45350

Delaware SO2 (1971) Areas    Return to map    

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No designated areas for this pollutant.

Delaware SO2 (2010) Areas    Return to map    

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No designated areas for this pollutant.
 
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.

Current and historical design value data can be found on the EPA Air Trends website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information.

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