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Monitoring of Airborne Hazardous Substances

The Control of Substances Hazardous to Health Regulations (COSHH) requires, by law, employers to control exposure to hazardous substances to prevent ill health. Hazardous substances may be:

  • Classified as such under the Chemicals Regulations 2002
  • Substances with workplace exposure limits as listed in EH40 (HSE)
  • Biological agents
  • Dusts where air concentrations exceed levels specified in COSHH

The measurement of airborne contaminants in the workplace is an essential part of assessing personal exposures and of verifying the efficiency of control measures. Personal exposures by inhalation are compared with both long and short-term exposure limits as specified by HSE, ACGHIH, OSHA, NIOSH publications etc. From this the level of compliance with COSHH can be assessed.

How we can help

Huw Wilkins Associates Limited has a great deal of experience with the determination of employee exposure to airborne contaminants. We provide comprehensive reports which include all the relevant information in a clear and concise format. Whether undertaking a simple initial investigation or a detailed survey we will use the monitoring strategies implicit in HSE publication HS(G) 173.

Examples of hazardous substances which are monitored include:

  • total inhalable and respirable dust
  • volatile organic compounds such as benzene, toluene, ethylbenzene, xylene
  • lead or other heavy metals such as nickel, chromium
  • DEEEs (diesel engine exhaust emissions)
  • oil mists from metal turning and processing
  • anaesthetic gases in operating theatres
  • gases and vapours

To arrange a detailed survey, please do not hesitate to contact us

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