• Maximum achievable control technology (MACT) rules for air toxics

    • MACT rule for military surface coatings

    • MACT rule for boiler and process heaters

    • MACT rule for engine test cells, new source

    • MACT rules for urban air toxics

  • Emission reductions for ozone and particulate matter

    • Additional volatile organic compound reductions to meet 8-hour ozone standard

    • Emission reductions to meet fine particulate standard

  • Rules for air toxics residual risk

    • National Emissions Standards for Hazardous Air Pollutants (NESHAP) residual risk rule for aerospace

    • NESHAP residual risk rule for chrome plating

    • NESHAP residual risk rule for halogenated solvent

    • Whole facility residual risk off-ramp

  • Miscellaneous air pollution issues

    • Phaseout of hydrochlorofluorocarbons

    • Significant New Alternatives Policy (SNAP) restriction on N-propyl bromide

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