Explosive Detection
Plexus Scientific Corporation offers a series of field test kits designed to detect and identify trace levels of explosives and explosive residues. The kits have been extensively used in forensic investigations since 1991, and have been invaluable in expediting the apprehension of criminals. In the forensic, and, more recently, environmental capacities in which the kits have been utilized, they have proven to be the perfect combination of quick results (less than one minute per test), sensitivity (nanogram level), reliability, ease of transport (under two pounds), ease of operation (no special training and no power requirements), and inexpensive (less than $3 per test) to accommodate specific detection needs.
The kits are widely used in areas of conflict to rapidly screen individuals, items, and vehicles prior to permitting site access and for separating suspects for further questioning. The kits are inexpensive, rugged and require no training to use, allowing rapid and effective deployment. Results are nearly instantaneous. No additional tools, equipment, or electrical power are necessary allowing the kits to be used in the most primitive conditions.
Expray
Expray is a unique, aerosol-based field test kit for the detection and identification of Group A explosives (e.g. TNT, TNB, etc.), Group B explosives (e.g. Semtex H, RDX, C4, etc.) and compounds containing inorganic nitrates that are used in improvised explosives (e.g. ANFO). Expray is used as a pre-blast, analytical tool, and post-blast investigative tool, to screen against potential terrorist elements, and as a technical evaluation test in soil remediation on hazardous material "clean-up" sites. When used as a post-blast investigative tool, the product is proven to speed up crucial investigations.
DropEx
DropEx is a non-aerosol explosive detection kit based on the same chemistry as EXPRAY. However, the DropEx Plus kit offers additional detection capabilities. DropEx Plus detects the widest possible range of explosive types, due to its ability to detect the Chlorate and Peroxide-based explosives often used for improvised explosives.
Soldiers "get the bad boys" in raids
Read about how soldiers in Iraq utilize EXPRAY to identify potential insurgents. This article originally appeared in the June 30, 2004 edition of the Washington Times.
Under the cover of darkness, soldiers from Alpha Company, 91st Engineer Battalion, creep up a narrow alley to their target, ready to scale the front wall of a small home and seize the men who tried to attack their platoon...
...Meanwhile, military intelligence soldiers begin questioning the men. They are lined up, photographed and swabbed for traces of explosives. Sgt. Jimmy Robles, 25, swabs the hands and faces of the men with paper from an Expray kit, which detects explosive chemicals. As he sprays reactive chemicals on the test strips, a pink blush spreads across the paper. The man has tested positive for TNT.
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