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

This site contains information about air quality regulations called State Implementation Plans (SIPs) approved by EPA within the Northern Mariana Islands. To find the status of SIP submittals, visit SIP Status Reports.

About This Website

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. Please contact us using the link below if you find any errors in these files.

Compiled Rules and Regulations

EPA Approved Northern Mariana Islands Regulations

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