Landfill Gas Sampling and Analysis - Test Method - LFTGN04

Overview

Annual and bi-annual ISO 17025 accredited sampling of landfill gas on to absorbent collection tubes and analysis as specified in the Environment Agency and SEPA document LFT guidance note 4.

Applications and Benefits

Sampling and testing is required in order to report the levels of contamination in the landfill gas to the Environment Agency. An up to date profile of the gas composition is useful when trying to determine the source of gas leaks from the landfill site at perimeter boreholes. If electricity generation is carried out on site a thorough examination of the gas can ensure that appropriate gas clean up is in place to reduce the potential of damage to the gas engines. Carbon monoxide is a useful additional analysis which is used to confirm and monitor underground combustion within landfill sites.

Form of Results

The results will be reported in ppm and µg/m3 to meet the requirements of LFTGN04 in most cases.

Related Tests

  • Siloxanes in biogas and landfill gas by ATD-GC-MS
  • Hydrogen Sulphide in biogas and landfill gas by GC-FPD
  • Bulk gases in biogas and landfill gas by GC-FID/TCD
  • Trace volatile organic compounds in biogas and landfill gas by ATD-GC-MS
  • Arsenic on absorbent charcoal tubes collected from landfill gas by hydride generation AFS
  • Butyric acid on silica gel absorbent tubes collected from landfill gas by GC-FID
  • Formaldehyde and acetaldehyde on treated silica gel absorbent tubes collected from landfill gas by HPLC-DAD/UV
  • Carbon monoxide by GC-FID/TCD
  • Sampling and analysis of landfill gas to determine the origin using carbon dating analysis.

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