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  2. Air Quality Implementation Plans

Approved Air Quality Implementation Plans for the Commonwealth of the Northern Mariana Islands

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

The following document and tables contain the EPA approved Air Quality Regulations for the Commonwealth of the Northern Mariana Islands. To find the status of SIP submittals, visit SIP Status Reports.

The official SIPs, TIPs, and FIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR). EPA’s web-versions of the approved SIPs, TIPs, and FIPs are for reference. While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur. If you find any errors in these files, or experience a problem reading a document with assistive technology, please contact us.

Compiled Rules and Regulations

Free viewers and readers are available to access documents on our website. If you encounter issues with assistive technology, please contact us.

  • EPA Approved and Compiled Rules and Regulations: Commonwealth of the Northern Mariana Islands (CNMI) (pdf) (731.72 KB, July 2018)
    EPA approved and compiled rules and regulations of the Commonwealth of the Northern Mariana Islands (CNMI) Implementation Plan (SIP).

EPA Approved Air Quality Regulations for the Commonwealth of the Northern Mariana Islands

State Citation Title/Subject Effective Date EPA Approval Date Explanation
Part I Authority 1/19/1987 11/13/1987, 52 FR 43574  
Part II Purpose and Policy 01/19/1987 11/13/1987, 52 FR 43574  
Part III Policy 1/19/1987 11/13/1987, 52 FR 43574  
Part IV Definitions (a—www) 1/19/1987 11/13/1987, 52 FR 43574  
Part V Permitting of New Sources And Modifications (A—M) 1/19/1987 11/13/1987, 52 FR 43574  
Part VI Registration of Existing Sources (A—D) 1/19/1987 11/13/1987, 52 FR 43574  
Part VII Sampling, Testing and Reporting Methods (A—D) 1/19/1987 11/13/1987, 52 FR 43574  
Part IX Fees (A—B) 1/19/1987 11/13/1987, 52 FR 43574  
Part X Public Participation (A-E) 1/19/1987 11/13/1987, 52 FR 43574  
Part XI Enforcement (A-E) 1/19/1987 11/13/1987, 52 FR 43574  
Part XII Severability 01/19/1987 11/13/1987, 52 FR 43574  
Part XIII Effective Date 1/19/1987 11/13/1987, 52 FR 43574  
Part XIV Certification 1/19/1987 11/13/1987, 52 FR 43574  

Air Quality Implementation Plans

  • About Air Quality Implementation Plans
  • Approved Air Quality Implementation Plans
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  • Find a Regional Contact for Air Quality SIPs/FIPS/TIPs
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Contact Us about Air Quality Implementation Plans
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on October 21, 2024
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