Landfill Gas Analysis

Landfill gas (LFG) is produced from the anaerobic digestion of wet organic waste within a landfill. The gas produced contains methane, carbon dioxide and a combination of trace volatile organic compounds (VOCs); LFG contains approximately 500 trace compounds. Trace compounds can provide a variety of issues.

The gas may contain toxic chemicals, which can potentially pose a health hazard, and the vapour can constitute a nuisance when a number of compounds generated are odorous and emit a strong, unpleasant smell. The gas can also migrate through the soil and escape beyond the boundaries of the landfill site; methane is a potent and flammable greenhouse gas. Landfill gas is classified as a biogas and therefore utilised as a biofuel.

Lucideon has extensive experience in the analysis of landfill gas and, through our UKAS accredited testing laboratory No. 0013 (ISO 17025) offers a broad range of chemical analysis. Lucideon is also Accredited to conduct the sampling and testing of gas following the Environment Agency Technical Guidance Note LFTGN04. This guidance specifies a regime of sampling and analysis for a toxic and odorous list of chemicals which must be performed on all landfill sites at least once a year.

Passive sampling techniques are available for the personal and perimeter monitoring of trace VOCs.

Landfill gas testing services include:

  • Bulk gas constituents (C1-C4 hydrocarbons, carbon dioxide, nitrogen, oxygen, hydrogen, helium)
  • Hydrogen sulphide
  • Organsulphur compounds
  • Carbon monoxide
  • Trace VOCs
  • Siloxanes
  • Terpenes
  • Alkanes
  • Alkyl esters
  • Sampling following technical guidance LFTGN04
  • Analysis following technical guidance LFTGN04
  • Aldehydes and ketones
  • Isocyanates
  • Mercury *
  • Volatile fatty acids *
  • Alcohols *.

Lucideon has an extended LFG Trace Analysis Suite which encompasses:

  • Trace gases
  • Environment Agency (EA) extra compounds list
  • Terpenes
  • Esters
  • Alkanes.

NB: Items marked with a * are not currently covered by our UKAS (ISO 17025) Accreditation.
To view the full list of compounds and their UKAS (ISO 17025) Accreditation status click here.

Associated Test Methods:

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Resources

  • White paper

    Siloxanes in Biogas and Landfill Gas - The Benefits of GC-MS Analysis for Combined Heat and Power Gas Processes

    pdf 315 KB

  • White paper

    The Monitoring and Quality Control of Waste to Energy for Landfill Gas and Biogas

    pdf 1 MB

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