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Particulate Matter (PM) Pollution

Particulate Matter (PM) Nonattainment Area SIP Requirements


SIP Requirements by Classification Level

Moderate Areas

All SIP elements due 18 months after initial designation:
  • Attainment Demonstration or Impracticability Demonstration
  • Base Year Emissions Inventory
  • Attainment Projected Emissions Inventory
  • RACM/RACT
  • Additional Reasonable Measures
  • Reasonable Further Progress
  • Quantitative Milestones
  • Contingency Measures
  • Nonattainment NSR

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Serious Areas

  • Mandatory reclassification to Serious pursuant to CAA Section 188(b)(1). All SIP elements due 18 months after reclassification:
    • Attainment Demonstration
    • Base Year Emissions Inventory
    • Attainment Projected Emissions Inventory
    • BACM/BACT
    • Additional Feasible Measures
    • Reasonable Further Progress
    • Quantitative Milestones
    • Contingency Measures
    • Nonattainment NSR
  • Discretionary reclassification to Serious pursuant to CAA Section 188(b)(2).
    • SIP elements due 18 months after reclassification:
      • Attainment Demonstration
      • Base Year Emissions Inventory
      • BACM/BACT
      • Nonattainment NSR
    • SIP elements due at the earlier of 4 years from the date of reclassification, or the end of the eighth calendar year after designation:
      • Attainment Projected Emissions Inventory
      • Additional Feasible Measures
      • Reasonable Further Progress
      • Quantitative Milestones
      • Contingency Measures

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Serious Areas That Fail to Attain

SIP elements due within 12 months after the missed applicable attainment date:
  • Attainment Demonstration
  • Base Year Emissions Inventory
  • Attainment Projected Emissions Inventory
  • MSM
  • Reasonable Further Progress
  • Quantitative Milestones
  • Contingency Measures

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See the nonattainment state and national reports for the status of state submissions to meet these requirements, and EPA's actions on the submissions: