About SIP Hearings
All public hearings are being held via Internet-based conferences until further notice.
- Public hearings on Maryland's State Implementation Plan are held as required by federal law (Clean Air Act at 42 U.S.C. 7410 (a) and 40 CFR 51.102).
- After consideration of comments received, the proposed documents will be finalized and submitted to the United States Environmental Protection Agency (EPA) for approval.
- Copies of proposed SIP documents may be viewed at the offices of the Maryland Department of the Environment, Air and Radiation Administration, 1800 Washington Boulevard, Suite 730, Baltimore, Maryland.
- Persons in need of special accommodations should contact the Department's Office of Fair Practices at (410) 537-3152 at least five (5) business days in advance of the hearing. TTY users should contact the Department through the Maryland Relay Service at 1-(800) 735-2258.
- Documents are viewable in Adobe Acrobat Reader (pdf) format. To view the documents, you may download the Adobe Acrobat Reader.
Notice of Public Hearing and Comment Period
State Implementation Plan Revision: Redesignation Request and Maintenance Plan for the 2008 Ozone National Ambient Air Quality Standards for the Marginal Baltimore Nonattainment Area
The Maryland Department of the Environment (MDE) gives notice of a public hearing and comment period concerning the redesignation request and maintenance plan for the Baltimore Nonattainment Area for the 2008 Ozone National Ambient Air Quality Standards (NAAQS).
The virtual public hearing will be held on June 30, 2026 at 10:00 am.
Public Hearing – Redesignation Request and Maintenance Plan for the 2008 Ozone National Ambient Air Quality Standards for the Marginal Baltimore Nonattainment Area
Jun 30, 2026, 10:00 AM (America/New York)
Please join the meeting from your computer, tablet or smartphone.
https://meet.goto.com/368118773
You can also dial in using your phone.
United States (Toll Free): 1 866 899 4679
The public hearing will be held as required by federal law (Clean Air Act at 42 U.S.C. 7410 (a) and 40 CFR 51.102). The proposed plan documents have been made available on the Maryland Department of the Environment's website here:
Note: The public library systems in the region can be used for Internet access to view the documents.
Copies of the document can be viewed at the offices of the Maryland Department of the Environment, Air and Radiation Management Administration, 1800 Washington Boulevard, Suite 730, Baltimore, Maryland.
Comments will be accepted between May 26, 2026 and June 30, 2026 at 5:00 P.M. and may also be submitted at the hearing. Comments may be sent to the Planning Program, Maryland Department of the Environment, Air and Radiation Management Administration, 1800 Washington Boulevard, Suite 730, Baltimore, MD, 21230 or emailed to [email protected]. After MDE considers the comments received, MDE will finalize and submit the plan to the United States Environmental Protection Agency for approval.
Persons in need of special accommodations at the hearing should contact the Department's Office of Fair Practices at (410) 537-3964 at least five (5) business days in advance of the hearing. TTY users should contact the Department through the Maryland Relay Service at 1-(800) 735-2258.
For more information, email [email protected].
Pending EPA Approval
Cecil County, MD Moderate Nonattainment Area 0.070 ppm 8-Hour Ozone State Implementation Plan Attainment Demonstration SIP Number: 23-02
Baltimore Moderate Nonattainment Area 0.070 ppm 8-Hour Ozone State Implementation Plan Attainment Demonstration SIP Number: 23-01
State of Maryland, 2020 Annual Sulfur Dioxide (SO2) Data Report for Lanyard Power Holdings, LLC, Chalk Point Generating Station & Lanyard Power Holdings, LLC, Morgantown Generating Station
Maryland Department of the Environment’s public comment period for this report closed on June 25, 2021. The report has been finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to view the report.
Amendments to Regulations under COMAR 26.11.08 Control of Incinerators and Regulation COMAR 26.11.09.08 Control of NOx Emissions for Major Stationary Sources
Maryland Department of the Environment’s public comment period for the two amendments in this SIP revision closed on September 21, 2018, and October 29, 2019, respectively. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click the links to view
Part 1 and
Part 2 of the SIP revision.
State of Maryland 2015 8-Hour Ozone NAAQS (0.070 ppm) Reasonably Available Control Technology (RACT) SIP
Maryland Department of the Environment's public comment period for this SIP revision closed on September 15, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to view the SIP revision.
2017 Base Year Emissions Inventory for the Washington DC-MD-VA 2015 Ozone NAAQS Nonattainment Area
Maryland Department of the Environment's public comment period for this SIP revision closed on May 26, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click on the following links for the SIP document and appendices.
2015 8-Hour Ozone NAAQS (0.070 ppm) Base Year Emissions Inventory Marginal Nonattainment Area SIP for the Cecil County, MD Nonattainment Area
Maryland Department of the Environment's public comment period for this SIP revision closed on June 29, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click on the following links for the SIP document and appendices.
2015 8-Hour NAAQS (0.070 ppm) Base Year Emissions Inventory Marginal Nonattainment Area SIP for the Baltimore, MD Nonattainment Area
Maryland Department of the Environment's public comment period for this SIP revision closed on June 29, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click on the following links for the SIP document and appendices.
Maryland Negative Declaration for Control Techniques Guidelines (CTG) for the Oil and Natural Gas Industry
Maryland Department of the Environment’s public comment period for this SIP revision closed on June 11, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to view the SIP revision.
Emissions Statement Requirement Certification Addressing CAA Section 182(a)(3)(B) for the State of Maryland 2015 Ozone Nonattainment Areas (Washington, D.C. area; Baltimore area; and Cecil County)
Maryland Department of the Environment’s public comment period for this SIP revision closed on May 12, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to view the SIP revision.
Nonattainment New Source Review (NNSR) Certification for the State of Maryland 2015 Ozone NAAQS Nonattainment Areas (Washington, D.C. area; Baltimore area; and Cecil County)
Maryland Department of the Environment’s public comment period for this SIP revision closed on May 12, 2020. The SIP revision has been finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to view the SIP revision.
State of Maryland 2019 Annual SO2 Data Requirements Report for Gen-On Chalk Point LLC Generating Station & Gen-On Mid-Atlantic Morgantown Generating Station, Addressing the 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Data Requirements Rule
The Maryland Department of the Environment’s public comment period for this report closed on May 18, 2020. The report has been finalized and submitted to the United States Environmental Protection Agency for approval. Click here to view the report.
State of Maryland 1-Hour Sulfur Dioxide (SO2) National Ambient Air Quality Standard (NAAQS) State Implementation Plan for the Anne Arundel County and Baltimore County, MD ("Wagner") Nonattainment Area
The public hearing was held on January 16, 2020 at the Maryland Department of the Environment. The SIP was finalized and submitted to the United States Environmental Protection Agency for approval.
Click on the following links for the SIP document and appendices
1997 8-hour Ozone NAAQS Limited Maintenance Plan for the Kent and Queen Anne’s Counties Area
The public hearing was held on November 25, 2019 at the Queen Anne's County Health Department. The
SIP was finalized and submitted to the United States Environmental Protection Agency for approval.
Implementation, Maintenance, and Enforcement of the 0.70 ppm 8-hour Ozone National Ambient Air Quality Standard State Implementation Plan Section 110(a)(2)(D) Maryland 70 ppb Ozone Transport State Implementation Plan
The public hearing was held on September 24, 2019 at the Maryland Department of the Environment. The SIP was finalized and submitted to the United States Environmental Protection Agency for approval. Click
here for the SIP Document
State of Maryland 2018 Annual SO2 Data Requirements Report for Gen-On Chalk Point LLC Generating Station and Gen-On Mid Atlantic Morgantown Generating Station
MDE held a public comment period on this report from June 18 - July 22, 2019. The report was finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to read the report.
State of Maryland 8-Hour Ozone - 0.070 ppm National Ambient Air Quality Standard Implementation, Maintenance, and Enforcement State Implementation Plan
The public hearing was held on September 24, 2018 at the Maryland Department of the Environment. The SIP was finalized and submitted to the United States Environmental Protection Agency for approval. Click
here to read the SIP document.
State of Maryland 0.075 ppm 8-Hour Ozone Nitrogen Oxide Reasonably Available Control Technology (RACT) State Implementation Plan
The public hearing was held on July 2, 2018, at 1:00 p.m. at the Maryland Department of the Environment. The SIP was finalized and submitted to the United States Environmental Protection Agency for approval. Click here for SIP Document. This public hearing notice appeared in the General Notices of the Maryland Register: http://www.dsd.state.md.us/MDR/mdregister.html
Implementation, Maintenance, and Enforcement of the 0.075 ppm 8-hour Ozone National Ambient Air Quality Standard State Implementation Plan 110(a)(2)(D) MD 75 ppb Ozone Transport SIP
The public hearing was held on July 25, 2018, at 10:00 a.m. at the Maryland Department of the Environment. The SIP was finalized and submitted to the United States Environmental Protection Agency for approval. Click here for SIP Document. This public hearing notice appeared in the General Notices of the Maryland Register: http://www.dsd.state.md.us/MDR/mdregister.html
Maryland State Implementation Plans and Related Documents
Note: Documents are viewable in Adobe Acrobat Reader (pdf) format. To view the documents, you may download the Adobe Acrobat Reader.
Regional Haze State Implementation Plan for the Second
Implementation Period 2018 – 2028 Periodic Revision
Regional Haze 5-Year Progress Report: Assessment of Reasonable Progress and Adequacy of the Existing State Implementation Plan
The public hearing was held on July 17, 2017. The SIP document is available
here. The SIP has been finalized and approved by the United States Environmental Protection Agency. See 83 Fed. Reg. 60363, November 26, 2018.
Basic Motor Vehicle Inspection and Maintenance Program Certification for the State of Maryland 2008 Ozone National Ambient Air Quality Standard Baltimore Nonattainment Area
The public hearing was held on February 20, 2018. The plan document is available
here. The SIP was finalized and approved bythe United States Environmental Protection Agency.
Washington DC-MD-VA 2008 Ozone NAAQS Marginal Ozone Nonattainment Area Redesignation Request and Maintenance Plan
The public hearing was held on November 8, 2017. The SIP was finalized and approved by the United States Environmental Protection Agency. Click here for the Plan Documents and Appendices (link to Metropolitan Washington Council of Governments web site).
Emission Statements Certification for Ozone
The public hearing was held on June 27, 2017. TheSIP was finalized and approved by the United States Environmental Protection Agency. Click here for the
SIP Document
Maryland Regional Haze Implementation Plan Revision Alternative BART for the Verso Luke Paper Mill
2011 Base Year Emissions Inventory for the Philadelphia-Wilmington, Atlantic City, PA-DE-NJ 2008 Ozone NAAQS Nonattainment Area
2011 Base Year Emissions Inventory for the Baltimore, MD 2008 Ozone NAAQS Nonattainment Area
Nonattainment New Source Review (NNSR) Program, covering the Baltimore, MD, Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE, and Washington, DC-MD-VA Nonattainment Areas for the 2008 Ozone National Ambient Air Quality Standard (NAAQS
Maryland State Implementation Plan (SIP) for the 0.075 ppm 8-Hour Ozone Standard, Volatile Organic Compound Reasonable Available Control Technology (VOC RACT)
Maryland State Implementation Plan (SIP) Revision under Clean Air Act Section 110(a)(2) for Implementation, Maintenance, and Enforcement of the 2010 Sulfur Dioxide (SO2) National Ambient Air Quality Standard
Maryland State Implementation Plan (SIP) under Clean Air Act Section 110(a)(2) for the 2012 PM2.5 National Ambient Air Quality Standard
2016 Consent Agreement and “NOx Averaging Plan” for Raven Power - Revision to Maryland’s State Implementation Plan
This Consent Agreement replaces the existing Consent Order dated April 16, 2001 (with Maryland SIP #01-05) and the Consent Order dated October 24, 2012. A copy of the consent order is available above and at the offices of the Maryland Department of the Environment, Air and Radiation Management Administration, 1800 Washington Boulevard, Suite 730, Baltimore, Maryland. Please contact Randy Mosier, Chief, Regulation Development Division, Air Quality Planning Program by phone at (410) 537-4488 or via email at
[email protected] for more information.
Revision to the Motor Vehicle Emission Budgets for the Washington DC-MD-VA 1997 PM2.5 Maintenance Plan Update
-
The SIP Documents are available on the Metropolitan Washington Council of Governments'
website.
State Implementation Plan (SIP) for Clean Air Act Section 128, Disclosure of Conflicts of Interest by State Boards and Agency Heads - Final Submittal February 1, 2016
Baltimore, Maryland, 2008 8-Hour Ozone Rate of Progress (Budgets for VOC and NOx for 2012), for the 1997 Ozone National Ambient Air Quality Standard
Base Year 2011 Emissions Inventory (Washington DC-MD-VA 2008 Ozone NAAQS Nonattainment Area)
- Full Inventory Document without Appendices, July 9, 2014
-
Appendices ZIP File. This file contains all the appendices in a 176 MB ZIP file.
- A. Point Source Inventory Files
- B1. Area and Nonroad (Marine Vessels, Airport, Railroad Locomotives) Source Inventory Development Document (Maryland)
- B2. Area and Nonroad (Marine Vessels, Airport, Railroad Locomotives) Source Inventory Development Document (Virginia)
- B3. Area and Nonroad (Marine Vessels, Airport, Railroad Locomotives) Source Inventory Development Document (District of Columbia)
- B4. Area and Nonroad (Marine Vessels, Airport, Railroad Locomotives) Source Inventory Files
- C. NMIM2008 (NONROAD Model) Input and Output Files
- D1. Onroad Mobile Source Development Document
- D2. MOVES 2010a (Onroad Mobile Model) Input and Output Files
Baltimore Nonattainment Area PM2.5 Redesignation Request and Maintenance Plan
Redesignation Request - May 28, 2013
Maintenance Plan - May 27, 2013
Appendices
Washington County, MD Nonattainment Area PM2.5 Redesignation Request and Maintenance Plan
Redesignation Request - May 28, 2013
Appendices
Maintenance Plan - May 28, 2013
Baltimore Serious Nonattainment Area 0.08 ppm 8-Hour Ozone State Implementation Plan Demonstrating Rate of Progress for 2008, 2011 and 2012 Revision to 2002 Base Year Emissions; and Serious Area Attainment Demonstration
Appendices A Projection Year Emissions Inventories
Appendix C Regulatory Support Information
Appendix D RACM Measures List
Appendix E Mobile Budget Documentation
Appendix F Attainment Demonstration
Appendix B - Reasonable Further Progress Calculations Detail Spreadsheet - Large file not available for download -- Please contact the Air Quality Planning Program at (410) 537-3240 to request a copy.
Appendix F12 - CMAQ Model Performance Performance Data and Documentation - Large file not available for download -- Please contact the Air Quality Planning Program at (410) 537-3240 to request a copy.
Date: June 18, 2013
Maryland State Implementation Plan for Clean Air Act Section 110(a)(2) for Nitrogen Dioxide (NO2) and Section 128 for all National Ambient Air Quality Standards
Maryland State Implementation Plan for Clean Air Act Section 110(a)(2) for Lead (Pb)
June 20, 2013 (Addendum)
SIP Document
December 12, 2012 (Final)
SIP Document
Maryland's Redesignation Request & Maintenance Plan for the 1997 Fine Particulate Matter (PM2.5) Standard for the Washington DC-MD-VA Area
May 22, 2013
SIP Document
Maryland's Implementation, Maintenance, and Enforcement Measures for the 8-Hour Ozone National Ambient Air Quality Standard State Implementation Plan
December 21, 2012
SIP Document
Maryland's Regional Haze State Implementation Plan
February 9, 2012
Maryland’s 8-hour Ozone Reasonably Available Control Technology (RACT) State Implementation Plan, DRAFT 2011 Revision to SIP Number 06-07
October 4, 2011 (Final)
SIP Document (1,007 KB)
Document:
Letter to U.S. EPA certifying that MDE has the authority to implement, maintain and enforce the federal PM2.5 National Ambient Air Quality Standards NAAQS
Baltimore Nonattainment Area PM2.5 State Implementation Plan and Base Year Inventory
March 24, 2008
State Implementation Plan (SIP) for Annual Fine Particle (PM2.5) Standard and 2002 Base Year Inventory for the Washington DC-MD-VA Nonattainment Area
Date: March 7, 2008
Click here to download
Washington County, MD PM2.5 State Implementation Plan and Base Year Inventory
February 29, 2008
SIP Document (2067 KB)
Implementation, Maintenance, and Enforcement of the PM2.5 National Ambient Air Quality Standard State Implementation Plan
February 15, 2008
Click here to download.
Implementation, Maintenance, and Enforcement Measures for the 8-Hour Ozone National Ambient Air Quality Standard State Implementation Plan (SIP)
June 15, 2007
Click here to download.
Baltimore Nonattainment Area 8-hour Ozone State Implementation Plan and Base Year Inventory
June 15, 2007
Cecil County, Maryland 8-hour Ozone State Implementation Plan and Base Year Inventory
June 15, 2007
Plan to Improve Air Quality in the Metropolitan Washington, DC-MD-VA Region: State Implementation Plan (SIP) ("Moderate Area SIP") for 8-Hour Ozone Standard (includes 2002 Base Year Inventory)
May 23, 2007
Click here
Revision to Maryland’s Transportation Conformity State Implementation Plan
November 9, 2006
Maryland’s 8-hour Ozone Reasonably Available Control Technology (RACT) State Implementation Plan
July 31, 2006
Redesignation Request for Kent and Queen Anne’s Counties 8-hour Ozone Nonattainment Area
March 15, 2006
Click here to download.
Maintenance Plan and 2002 Base Year Emission Inventory for the Kent and Queen Anne's Counties 8-hour Ozone Nonattainment Area
March 15, 2006
Click here to download.
Revisions to Kent and Queen Anne’s Counties 1-hour Ozone Maintenance Plan
March 15, 2006
Click here to download.
Washington County 8-Hour Ozone Early Action Compact (EAC) State Implementation Plan: Air Quality Modeling Addendum
SIP Revision 04-10 - Addendum
February 16, 2005
Click here to download.
Washington County 8-Hour Ozone Early Action Compact (EAC) State Implementation Plan
November 5, 2004
- SIP Document: Executive Summary/Table of Contents/Chapters 1-8 (2.1 MB PDF file)
- Appendix A (574 KB) Early Action Compact Agreement With Washington County
- Appendix B (622 KB) EAC Guidance and Protocol Documents
- Appendix C (526 KB) EAC Memoranda
- Appendix D (36 KB) Control Measures Selected for Action Plan
- Appendix E (7,135 KB) Comprehensive Analysis of Transportation Emission Reduction Measures
- Appendix F (547 KB) Health and Ozone
- Appendix G (249 KB) History of the Early Action Plan
- Appendix H (1,866 KB) Regional Transport and 8-Hour Ozone
- Appendix I (3,471 KB) Documentation of Public Process
SIP Revision 04-06 (Proposed) - Revision to the Washington Severe SIP: Implementation of Section 185 Fee Structure
March 26, 2004
Click here to download.
SIP Revision 04-04 (Proposed) - Memorandum of Agreement (MOA) to Allow EPA to Grant the Separation of the Kent and Queen Anne’s Counties 8-Hour Ozone Nonattainment Area from the Baltimore Region 8-Hour Ozone Nonattainment Area between U.S. EPA Region III and MDE
February 25, 2004
Click here to download.
Revised Carbon Monoxide Maintenance Plan and Revised 1990 Carbon Monoxide Base Year Emissions Inventory for the Washington DC-MD-VA Nonattainment Area
February 19, 2004
Click
here to download.
Modification to the Rate of Progress Plan for Cecil County: Revising Mobile Emission Estimates with Mobile6
January 8, 2004
Click here to download
Redesignation Request for Kent and Queen Anne’s Counties Ozone Nonattainment Area
December 18, 2003
Click here to download.
Maintenance Plan for the Baltimore Carbon Monoxide Attainment Area
December 15, 2003
Click here to download.
Demonstrating Rate of Progress for 2002 and 2005; Revision to 1990 Base Year Emissions; and Severe Area Attainment Demonstration for the WASHINGTON DC-MD-VA Nonattainment Area
December 17, 2003
Click here to download.
2002 Maryland Air Quality Report - Status Report and Long-Term Trends
December 3, 2003
Click here to download the report.
Click here for historical air quality data.
Modification to the Rate of Progress Plan for the Baltimore Region: Revising Mobile Emission Estimates with Mobile6
October 27, 2003
Click here to download.
Appendix A - Mobile6 Documentation
Proposed State Implementation Plan (SIP) - “Severe Area SIP” - Demonstrating Rate of Progress for 2002 and 2005, Revision to 1990 Base Year Emissions, and Severe Area Attainment Demonstration for the WASHINGTON DC-MD-VA Nonattainment
June 2, 2003
- SIP Document: Executive Summary/Table of Contents/Chapters 1-12 (1.2 MB PDF file)
- Appendix A (72 KB PDF file) - Membership Rosters for the Metropolitan Washington Air Quality Committee (MWAQC) and its Technical Advisory Committee and Air Quality Public Advisory Committee
- Appendix B (3.7 MB PDF file) - MOBILE6 Inventories and Documentation
- Appendices C-F (1.2 MB PDF file)
- Appendix C - Round 6.2 Cooperative Forecast Projections: Area and Nonroad Inventories and Projections
- Appendix D - Draft Round 6.3 Cooperative Forecast Projections: Area and Nonroad Inventories and Projections
- Appendix E - Point Source Inventories and Projections
- Appendix F - Use of NOx Substitution in Rate of Progress; RACT Fix-Up Documentation
- Appendices G-K (3.1 MB PDF file)
- Appendix G - Emission Reduction from Transportation Control Measures
- Appendix H - Severe Area Plan Commitments
- Appendix I - Contingency Plan Commitments; Emissions Reductions from Phase II RFG Controls; Emissions Reductions from Selected Contingency Measures
- Appendix J - EPA Voluntary Measures Guidance; Allowable Tonnage from Voluntary Measures; Voluntary Measure Documentation
- Appendix K - Information Related to Public Hearings, Hearing Notices, Comments Received and Response to Comments
- Appendix L (11 KB PDF file) - Analysis of Potential Stationary Source RACM Measures for the Metropolitan Washington Region's Severe Area SIP
- Appendix M (40 KB PDF file) - Analysis of Potential Area Source RACM Measures for the Metropolitan Washington Region's Severe Area SIP
- Appendix N (138 KB PDF file) - Analysis of Potential Non-Road Source RACM Measures for the Metropolitan Washington Region's Severe Area SIP
- Appendix O (285 KB PDF file) - Analysis of Potential Mobile Source RACM Measures for the Metropolitan Washington Region's Severe Area SIP
Modification to the Phase II Attainment Plan for the Baltimore and Cecil County Nonattainment Areas: Revising the Mobile Source Emission Budgets using Mobile 6
May 21, 2003
Click here to download.
Reasonably Available Control Measure (RACM) Analysis for Cecil County
July 18, 2001
Click
here to download.
Reasonably Available Control Measure (RACM) Analysis for the Baltimore Region
July 6, 2001
Click
here to download.
Modification to the Phase II Attainment Plan for the Baltimore Region: Revising the Mobile Source Emission Budgets, Adding Tier 2 Standards
November 6, 2000
Click
here to download.
Modification to the Phase II Attainment Plan for Cecil County: Revising the Mobile Source Emission Budgets, Adding Tier 2 Standards
November 9, 2000
Click
here to download.
Maryland Commitment letter to EPA for Baltimore region
December 17, 1999
Click
here to download.
Maryland Commitment letter to EPA for Cecil County
February 2, 2000
Click
here to download.
Modification to the Phase II Attainment Plan for the Baltimore Nonattainment Area and Cecil County: Revising the Mobile Source Emission Budgets
November 9, 1999
Click
here to download.
Phase II Attainment Plan for the Baltimore Nonattainment Area and Cecil County
April 24, 1998
Click
here to download.
Technical Support Document for the Phase II Attainment Plan for the Baltimore Region
June 29, 2001
Click
here to download.
Phase I Attainment Plan for the Baltimore Nonattainment Area and Cecil County
April 24, 1998
- SIP Document: Executive Summary, Chapters 1-9, and References
- Appendix A: EPA Policy Memorandum
- Appendix B: Modifications and Projections to the 1990 Base Year
- Appendix C: Post-1996 Target Level Calculation Following EPA Guidance
- Appendix D: Nonroad Emission Reductions
- Appendix E: Emission Reductions from Control Measures Included in the 15% RPP
- Appendix F: The OTC NOx Emission Reduction MOU and Calculation of NOx Emission Reductions from Stationary Sources
- Appendix G: Nitrogen Oxides Substitution
- Appendix H: Revisions to the 15% Rate of Progress Plan
1990 Greenhouse Gas Inventory
April, 2001
Click here to download.
