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  3. /NOM-043-SEMARNAT-1993
SEMARNAT (Environment)EnvironmentalActive

NOM-043-SEMARNAT-1993

Maximum permissible emission levels of solid particles from fixed sources to the atmosphere

Establishes maximum permissible solid particle emission levels to the atmosphere from industrial fixed sources. Applies to chimneys, ducts and process equipment.

Last updated: 2022

Affected products

Emission control equipmentIndustrial filtersCyclones and precipitatorsIndustrial chimneys

Compliance requirements

  • Meet particle emission limits by source type
  • Isokinetic chimney sampling
  • Continuous monitoring equipment when required
  • Environmental operating license

Related tariff codes

These tariff codes may be subject to this NOM. Check the specific code to confirm.

8421.39.018414.59.01

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