The cards are being tested in <?xml:namespace prefix = st1 ns = “urn:schemas-microsoft-com:office:smarttags” />Vancouver and Kelowna airports with Montreal’s airport to be the next test site. There is also a pilot project to use document-screening equipment to find explosives at pre-boarding checkpoints.

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The equipment will test for traces of explosives on documents such as boarding passes.

Transport Minister Jean Lapierre told a news conference that Ottawa is “committed to continuously enhancing the security of our aviation system.”