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Substance Gas Monitoring with GasClam 2

Whether a landowner, developer or regulator the objective is identical: to ensure that any existing or proposed development remains or takes place safely.

But because of the temporal or seasonal effects on ground gas migration, monitoring has to be undertaken over a potentially wide geographic area, lasting several months. substance gas monitoring with GasClam 2

Sampling techniques like soil probes, for example, require subsequent laboratory analysis (using thermal desorption and gas chromatography) are clearly labor intensive and costly. However, there is the possibility to undertake long-term, un-manned, continuous, monitoring using specially designed borehole devices that are battery powered, record multiple gases and make the data available for download to a laptop for later analysis, or, via telemetry. A subsequent guide will look into the considerations when specifying and buying such instrumentation.

The GasClam 2 collects unmanned continuous ground gas concentration data as well as parameters that are known to control it: subsurface pressure, atmospheric pressure and water level. This information reduces uncertainty by providing the full picture of what is happening below ground. By observing the process controlling the ground gas regime, users can utilize the instrument to predict how it will change in the future. substance gas monitoring with GasClam 2

ION’s GasClam 2 also provides a vast range of financial benefits, such as reducing the number of site visits by a field engineer. Secondly, the GasClam 2 reduces the overall length of monitoring programs, allowing legislative data requirements to be met quicker. Lastly, the instrument is designed in a manner that is not over-engineered, providing solutions based on complete and robust data.

Intended applications include, and are not limited to:

Brownfield site investigation

Landfill perimeter monitoring and control

Shale and Coal Bed Methane / Seam Gas site monitoring

Vapor intrusion studies

Waste Management

Refineries and petroleum storage monitoring

For more information regarding our GasClam 2, other detection products or instruments specific to your application, visit our products page or contact ION Science today. substance gas monitoring with GasClam 2


  • Butts Ln, Fowlmere, Royston SG8 7SL, UK
  • ION Science, Inc.