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Method and apparatus for detection of illegal substances in commerce

  • US 20030033851A1
  • Filed: 08/10/2001
  • Published: 02/20/2003
  • Est. Priority Date: 08/10/2001
  • Status: Abandoned Application
First Claim
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1. A method for detecting a selected substance in bulk cargo, comprising placing bulk cargo in an enclosed environment capable of sustaining a reduced atmospheric pressure;

  • reducing the pressure within the enclosed environment to a level that causes vaporization of the selected substance;

    collecting a vapor sample released from said cargo under the reduced pressure; and

    analyzing the vapor sample for the presence of the selected substance.

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