Passive Sampling News

  • Passive Groundwater Sampling – The Proven Alternative to Well Purging

    By David Kaminski, Senior Vice President & Sandy Britt, Senior Hydrogeologist - QED Environmental Systems, Inc. Selecting groundwater sampling technology for any particular application can be challenging, as there is a wide range of technology available on the market, and some are far more effective than others. The traditional approach of ...

  • AQMesh can also be scaled using diffusion tubes

    The AQMesh team has carried out a test which shows that calibration (scaling) of AQMesh against one, or ideally several, diffusion tubes, is a viable option when no local reference station is available. When three AQMesh pods and four NO2 diffusion tubes were co-located against a reference station, the diffusion tube readings were so consistent with the reference average reading for the period ...


    By AQMesh

  • Speed is the name of the game as Enviro Technology launches rapid diffusion samplers

    Local authorities and businesses seeking fast, cost effective air monitoring need look no further than air quality monitoring specialists, Enviro Technology’s brand new range of Rapid Diffusion Samplers.   Ideal for all rapid indoor, outdoor, personal and workplace air monitoring of volatile organic compounds (VOCS) and Nitrogen Dioxide, Rapid Diffusion Samplers offer a quick, low ...

  • COV GAS BADGE

    GABIE COV gas bage is a passive diffusion sampler using adsorption on a solid (activated charcoal) and desorption by a ...

  • International Passive Sampling Workshop and Symposium (IPSW 2009)

    IPSW 2009 will host several satellite workshops. An expert group meeting dedicated to passive sampling techniques for monitoring emerging pollutants will be organised by NORMAN, the Network of reference laboratories and related organisations for monitoring and bio-monitoring of emerging environmental pollutants.. In addition, the First Passive Sampling Intercalibration study (1st IPSIC) will be ...


    By Exposmeter AB

  • New practical guidance on using diffusion tubes has now been released

    NO2 Monitoring has now been released. The document presents the findings of the Working Group on harmonisation of NO2 diffusion tube preparation and analysis methods, led by AEA Energy & Environment and Air Quality Consultants on behalf of Defra and the Devolved Administrations. The guidance is primarily written for laboratories that supply and analyse diffusion tubes, but also contains ...

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