Duvas Technologies

Duvas is pleased to announce that after extensive trials in the field by the US EPA, they have now adopted the Duvas DV3000 as a routine field monitoring device for BTEX gases. The Duvas DV300 has been widely tested in several EPA regions as well as by the EPA laboratories in Durham, North Carolina.

Duvas is pleased to announce the appointment of Dr David Frew as CEO. David brings 20 years of experience in the management of successful gas detection companies. He has particular expertise in the development of innovative optical gas sensing technologies, having worked with QinetiQ, E2V and Ion Optics in getting new optical detection technology to market.

The U.S. Environmental Protection Agency (USEPA) "intends to negotiate on a sole source basis with Duvas Technologies LTD, London, UK for an ultraviolet (UV) spectroscopy instrument (model DV3000-F) to be used in an existing EPA Geospatial Measurement of Air Pollution (GMAP) system. EPA designed this mobile monitoring system and selected the UV spectrometer instrument produced by Duvas Technologies to be included in the system. The DUVAS model DV3000-F is unique in that it is compatible with the technology currently used in the EPA GMAP system. The EPA GMAP system contains custom hardware and software specifically designed to work with the Duvas Technology. Therefore, based on the unique instrument design, performance, form factor, and previous engineering investment, the Duvas model DV3000-F has been determined to be an acceptable replacement." The full statement of intent can be found here.

With an existing ‘gas library’ of over 70 species, the Duvas sensor can be tailored to detect numerous chemicals. The United States Environmental Protection Agency (USEPA) has purchased the Duvas sensor system to use in their mobile measurement test facility to monitor for leaks around refineries and thus forewarn that action needs to be taken to prevent leakage of potential toxic substances. The unit was deployed on a vehicle driving around the perimeter of major refineries to identify hazardous chemicals such as Benzene. This method of deployment enables a far greater area to be covered more rapidly than with multiple traditional sensors.

The USEPA's National Enforcement Initiative for cutting Hazardous Air Pollutants (HAPs) and list of enforcement cases can be found here.

 

 

 

TNO have published their paper on "Mobile Monitoring of Air Quality in the City of Rotterdam" at the 9th International Conference on Air Quality Science and Application. The paper can be found here (page 81). It describes a pilot project using the Duvas D1000 mounted on a tram in the city of Rotterdam to produce maps showing average local contributions to the concentration of Nitrogen Monoxide along the tram routes. The Duvas D1000 was found to "perform well with respect to the NO and GPS measurements".

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