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Proceedings Paper

Study to investigate the trace levels of contamination on surfaces when narcotic contraband is concealed in a vehicle
Author(s): Rod Wilson; Alan H. Brittain
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Paper Abstract

When a vehicle is used to transport narcotic contraband material trace levels of that material can be found on surfaces of the vehicle, people associated with the vehicle and surface they contact. The detection of these trace levels can help to target vehicles associated with the smuggling of the contraband. A study to determine the typical levels of narcotic material that can be detected from these surfaces has been performed by personnel from Graseby, using a variety of drug materials. The size and packaging of the drug materials has been prepared to try to reflect that typically found in smuggling operations. These tests show that for all hard drugs easily detectable traces of drug material can be found on the vehicle, the proxy and secondary surfaces handled by the proxy. For detection of cannabis, the condition of the original material had a great bearing ont he reliability of detection.

Paper Details

Date Published: 28 January 1997
PDF: 14 pages
Proc. SPIE 2932, Human Detection and Positive Identification: Methods and Technologies, (28 January 1997); doi: 10.1117/12.265390
Show Author Affiliations
Rod Wilson, Graseby Dynamics Ltd. (United Kingdom)
Alan H. Brittain, Graseby Dynamics Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 2932:
Human Detection and Positive Identification: Methods and Technologies
Lisa A. Alyea; David E. Hoglund, Editor(s)

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