Originally Posted by
DCA TSO
The reason low explosives are ignored in explosive trace testing is because they require a substantial, high-strength casing (e.g., 3/8 steel pipe, etc.) in order to be explosive (i.e., there's 0% chance they're getting through x-ray or WTMD), and any device using them will be haphazard at best.
A 0% chance? Based on reports publicized in this forum of failed tests, I doubt the chance is 0%.