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Area Designations for 1997 Fine Particle (PM2.5) Standards

1997 PM2.5 Standards — Region 1 Recommendations and EPA Responses


Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Designations Home Page for more recent information about PM Designations.

EPA has requested that states and tribes submit recommendations to EPA for PM2.5 attainment and nonattainment areas by February 15, 2004. EPA responded to state and tribal recommendations on April 28 and 29, 2004, and designations will be finalized by the end of 2004.

State recommendations and EPA response letters are presented below.

Tribal information is available on the Tribal Recommendations page.

EPA Intended Designations (Not Final)

This table shows counties within Region 1 intended unclassifiable or nonattainment. All other counties within the region are intended Unclassifiable/Attainment. EPA will make official designations by the end of 2004.

State & County Designation
CT Fairfield W
CT New Haven W


Recommendation Documents

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

The documents listed below are state and tribe responses to EPA's request for recommendations on the designation of areas for the PM2.5 standard and EPA's responses to those submittals. These responses are provided here in PDF format for INFORMATIONAL PURPOSES ONLY and do not represent EPA's views on the appropriateness or adequacy of a state's or a tribe's recommendations.

The quality of these PDF files is quite variable and is the result of the quality of the documents provided by the states.

Recommendations received by EPA Region 1

State 2004 Recommendation EPA Response State Remarks on EPA Response
Connecticut Letter (PDF) (2 pp, 117KB)
Appendix 1 (PDF) (97 pp, 12.8MB)
Acknowledgement (PDF) (1 p, 16KB)
Letter (PDF) (17 pp, 584KB) Letter (PDF) (2 pp, 790KB)
Appendix 1 (PDF) (31 pp, 4.4MB)
Maine Letter (PDF) (9 pp, 430KB)
Acknowledgement (PDF) (1 p, 17KB)
Letter (PDF) (2 pp, 62KB)  
Massachusetts Letter (PDF) (4 pp, 193KB)
Acknowledgement (PDF) (1 p, 17KB)
Letter (PDF) (2 pp, 63KB)  
New Hampshire Letter (PDF) (4 pp, 1.57MB)
Acknowledgement (PDF) (1 p, 17KB)
Letter (PDF) (2 pp, 62KB)  
Rhode Island Letter (PDF) (2 pp, 425KB)
Acknowledgement (PDF) (1 p, 17KB)
Letter (PDF) (2 pp, 63KB)  
Vermont Letter (PDF) (6 pp, 250KB) Letter (PDF) (2 pp, 63KB)  



2004 State PM2.5 Designation Recommendations

This table shows counties within Region 1 recommended unclassifiable or nonattainment. All other counties within the region are recommended Unclassifiable/Attainment. EPA will make official designations by the end of 2004.

State & County Designation
No counties

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Region 1 tribal information

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