Heavy rail / Urban light rail

Underground air quality – Exposure of the public at large

Continuously monitor air quality in railway stations and underground stations.

Objectives

Collect and study concentrations of trafficrelated air pollutants:

  • Nitrogen oxides
  • Carbon dioxide
  • Carbon monoxide
  • PM10 and PM2.5 (particulate matter)

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Test
facilities

  • SQUALES network (dedicated to air quality monitoring in underground areas)
  • Stationary analyzers
  • Vehicle laboratory
  • Instrument racks (TOEM)
  • GSM connections

Accreditations

ISO/IEC 17025 awarded by COFRAC

Our
references

Satisfied customers

SNCF
TCL (Lyon)
RATP

Norms

- NF X20-380 -

Gas analysis - Carbon dioxide analysis - Guide for the choice of the analysis methods

- NF X43-044 (June 1995) -

Air quality - Ambient air - Determination of carbon monoxide (CO) by infrared absorption - Gaseous filter correlation method

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