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Massachusetts State Implementation Plans (SIPs)

Massachusetts SIPs describe how Massachusetts ensures that it meets the National Ambient Air Quality Standards and Regional Haze goals under the Clean Air
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Ozone SIP

Open ZIP file, 3.94 MB,  RACT SIP for the 2008 and 2015 Ozone Standards – October 2018 (English, ZIP 3.94 MB)
Open ZIP file, 262.38 KB,  Infrastructure SIP for 2015 Ozone Standard – September 2018 (English, ZIP 262.38 KB)
Open PDF file, 274.68 KB,  Transport SIP for the 2008 Ozone Standard - February 2018 (English, PDF 274.68 KB)

Open PDF file, 148.99 KB,  Nonattainment New Source Review SIP for the 2008 Ozone Standard - February 2018 (English, PDF 148.99 KB)
Open PDF file, 104.66 KB,  Emission Statement SIP for the 2008 Ozone Standard – February 2018 (English, PDF 104.66 KB)
Open ZIP file, 3.65 MB,  Infrastructure SIP for the 2008 Ozone Standard - June 2014 (English, ZIP 3.65 MB)
Final Massachusetts SIP Revision: 8-Hour Ozone Attainment Demonstration - January 2008 
Open ZIP file, 5.55 MB,  Final Massachusetts 1-Hour Ozone Standard Attainment Submittal - July 1998 (English, ZIP 5.55 MB)
Open DOC file, 138.5 KB,  Transport SIP for the 1997 Ozone Standard - January 2008 (English, DOC 138.5 KB)
Open ZIP file, 322.95 KB,  CAIR NOx Ozone Season Allowance Allocations - 2011-2015 (English, ZIP 322.95 KB)

Carbon Monoxide (CO) SIP

Open PDF file, 953.7 KB,  Second 10-Year Limited Maintenance Plan for Carbon Monoxide for the Boston Metropolitan Area, Lowell, Springfield, Waltham, and Worcester - February 2018 (English, PDF 953.7 KB)
Open ZIP file, 137.71 KB,  Revision to Carbon Monoxide (CO) SIP Maintenance Plan for Lowell - April 2010 (English, ZIP 137.71 KB)
Open PDF file, 390.47 KB,  Revision to State Implementation Plan (SIP) for Carbon Monoxide (CO) - May 2001 (English, PDF 390.47 KB)

Lead SIP

Open ZIP file, 405.78 KB,  Infrastructure SIP for the 2008 Lead Standard - December 2012 (English, ZIP 405.78 KB)

Nitrogen Dioxide (NO2) SIP

Open ZIP file, 3.66 MB,  Infrastructure SIP for the 2010 NO2 Standard - June 2014 (English, ZIP 3.66 MB)

Fine Particulate Matter (PM2.5) SIP

Open PDF file, 1.18 MB,  Infrastructure SIP for the 2012 PM2.5 Standards - February 2018 (English, PDF 1.18 MB)
Open ZIP file, 128.4 KB,  Transport SIP for the 1997 PM2.5 Standard - January 2008 (English, ZIP 128.4 KB)

Sulfur Dioxide (SO2) SIP

Open PDF file, 619.59 KB,  Transport SIP for the 2010 SO2 Standard - February 2018 (English, PDF 619.59 KB)
Open ZIP file, 3.72 MB,  Infrastructure SIP for the 2010 SO2 Standard - June 2014 (English, ZIP 3.72 MB)

Regional Haze SIP

Open PDF file, 6.38 MB,  Massachusetts Regional Haze SIP Revision for 2018-2028 (7-22-21) (English, PDF 6.38 MB)
Open ZIP file, 92.53 MB,  Appendices to the Massachusetts Regional Haze SIP Revision for 2018-2028 (7-22-21) (English, ZIP 92.53 MB)
Open PDF file, 2.97 MB,  Massachusetts Regional Haze Progress Report - February 2018 (English, PDF 2.97 MB)
Open PDF file, 4.27 MB,  Final Regional Haze State Implementation Plan (SIP) (Supplemental) - August 2012 (English, PDF 4.27 MB)
Appendices to the Massachusetts Regional Haze SIP - August 2012 
Open PDF file, 3.07 MB,  Final Regional Haze State Implementation Plan (SIP) - December 2011 (English, PDF 3.07 MB)

Contact

Online

mark.wert@mass.gov 

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