Particulate Matter (PM) Pollution

Specific Elements for Each of the Major SIP Types for Particulate Matter (PM)

Infrastructure State Implementation Plan (SIP)

An infrastructure SIP, or i-SIP, is a requirement for all states, regardless of designation. Even areas in attainment must demonstrate what controls they will continue to use and regulate in order to remain in attainment.

Nonattainment New Source Review SIP

Nonattainment Area SIP

  • If an area is designated as nonattainment, the state must develop an additional SIP detailing the path to attainment. The SIP will require different elements depending on how far the area is from being able to reach attainment.

Interstate transport SIP

Redesignation SIP, or maintenance SIP