Ambient background particulate composition, outdoor natural background: interferents/clutter

Dorothea Paterno

doi:10.1117/12.918339

4 May 2012 Ambient background particulate composition, outdoor natural background: interferents/clutter

Dorothea Paterno;

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Proceedings Volume 8358, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIII; 835804 (2012) https://doi.org/10.1117/12.918339
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

It has proven a very difficult task to discriminate an actual BW threat from the natural occurring ambient particulate aerosol, which includes a significant fraction of particles consisting of mixed mineral and biological material. The interferent particles [clutter] (bio and non bio) concentration varies widely both by location, weather and season and diurnally. Naturally occurring background particulates are composed of fungal and bacterial spores both fragments and components, plant fragments and debris, animal fragments and debris, all of which may be associated with inert dust or combustion material. Some or all of which could also be considered to be an interferent to a biological warfare detector and cause these biodector systems to cause False Alarms by non specific BW bio detectors. I will share analysis of current long term background data sets.

Citation Download Citation

Dorothea Paterno, "Ambient background particulate composition, outdoor natural background: interferents/clutter", Proc. SPIE 8358, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIII, 835804 (4 May 2012); doi: 10.1117/12.918339; https://doi.org/10.1117/12.918339

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