February 2nd, 2010 Spectroscope - Professor of Geoscience now says "Vreeland has the durability of a rock hammer!" ... Read More
January 6th, 2010 Explosives Detector - PETN is detected in seconds by our explosives detector with no false positives ... Read More
November 25th, 2009 Personal Air Sampler - Using the PAS-500 personal air sampler for monitoring contaminated cabin air in commercial aircraft ... Read More
September, 2004 Personal Air Sampler - Spectrex Personal Air Sampler Was Used For Monitoring At The World Trade Center ... Read More
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