The Transportation Security Administration (TSA) on Tuesday said it has begun to screen powdered substances at aviation checkpoints nationwide, adding another layer of security. While airline passengers are not prohibited from carrying-on common powders, chemical powders can be used to make improvised explosive devices. TSA purchased 1,250 test kits for $185,000 from Mistral Security, which is part of Maryland-based Mistral Group. The test kits were pilot tested in 2008. As a passenger's carry-on items are passed through an X-ray machine,…
TSA Begins Screening Powdered Substances At Checkpoints
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