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SEMARNAT - MEASUREMENT OF CONCENTRATIONS

 

NOM-034-SEMARNAT-1993 that establishes the measuring methods for determining the concentration of carbon monoxide in the air of the environment and the procedures for the calibration of measuring equipment.
 
NOM-035-SEMARNAT-1993, that establishes the measuring methods for determining the concentration of total suspended particulate matter in the atmosphere and the procedures for the calibration of measuring equipment.
 
NOM-036-SEMARNAT-1993,  that establishes the measuring methods for determining the concentration of ozone in the environment and the procedures for the calibration of measuring equipment.
 
NOM-037-SEMARNAT-1993 that establishes the measuring methods for determining the concentration of nitrogen dioxide in the environment and the procedures for the calibration of measuring equipment.
 

Complete list of translations

Complete List of Environmental Standards