Infrastructure State Implementation Plan (SIP) Requirements and Guidance

The Clean Air Act requires states to submit state implementation plans (SIPs) that implement, maintain, and enforce a new or revised national ambient air quality standard (NAAQS) within 3 years of EPA issuing the standard. The Infrastructure SIP is required for all states.

• Infrastructure SIP Requirements List
• SIP Assistance Contacts
• Guidance Documents

Infrastructure Requirements List

These section numbers refer to sections of the Clean Air Act:

Section 110(a)(2)(A) Emission limits and other control measures
Section 110(a)(2)(B) Ambient air quality monitoring/data system
Section 110(a)(2)(C) Program for enforcement of control measures
Section 110(a)(2)(D)(i) - I Prong 1: Interstate transport - significant contribution
Section 110(a)(2)(D)(i) - I Prong 2: Interstate transport - interfere with maintenance
Section 110(a)(2)(D)(i) - II Prong 3: Interstate transport - prevention of significant deterioration
Section 110(a)(2)(D)(i) - II Prong 4: Interstate transport - protect visibility
Section 110(a)(2)(D)(ii) - Interstate and international pollution abatement
Section 110(a)(2)(E) Adequate authority and resources
Section 110(a)(2)(F) Stationary source monitoring system
Section 110(a)(2)(G) Emergency power
Section 110(a)(2)(H) Future SIP revisions
Section 110(a)(2)(J) Consultation with government officials; Public notification; PSD and visibility protection
Section 110(a)(2)(K) Air quality modeling/data
Section 110(a)(2)(L) Permitting fees
Section 110(a)(2)(M) Consultation/participation by affected local entities

Infrastructure SIP Contacts

Guidance on Development and Submission of Infrastructure SIPs

• Fact Sheet About Guidance on Development and Submission of Infrastructure State Implementation Plans for National Ambient Air Quality Standards (pdf) (96.62 KB)
• Guidance on Infrastructure State Implementation Plan (SIP) Elements Under Clean Air Act Sections 110(a)(1) and 110(a)(2) (pdf) (552.3 KB, September 13, 2013)