At 11:51 AM 11/18/01 +0100, Eugene Leitl wrote: >> >gardeners have gotten hassled and delayed because of trace amounts of >> >ammonia-based fertilizers on their person and effects. If you plan to fly, > >Salts are different from traces of uncombusted nitrocellulose deposited on >any surface of a nearby gun being fired.
KNO3 is of interest to airport security eg in gunpowder. Similar salts are in fertilizer. Ergo the caution. Also, some of us have had a black powder addiction at one time. >Nitroglycerin is not volatile, is present in large dilution (~0.1%) in >small quanitities (pharma bottle). Ditto nitrate salts in a water >solution. If you just took an angina pill I imagine the mechanical noses can detect it on your hands or things you touch immediately afterwards. >I think you should be able to get a good positive if you'd fire several >rounds of vanilla smokeless with baggage surface being near the muzzle >of the gun. Or blackpowder (or noncorrosive powder substitutes).. or wore that clothing when setting off firecrackers... Try it sometime, if you're unafraid of winding up in a >database. :-) I've found that transporting computer parts (motherboard) in >hand luggage can suffice to trigger swabbing (if you're really bored you >can discuss detection of Semtex traces with airport security). Not out of San Jose Intl... but discussing Semtex (tm) could get you federal charges in the states... Actually I have seen someone set off the sniffer, the local airline rep came over, they chatted briefly, the person was on their way, maybe 30 extra seconds taken. San Jose again. > Of course, best solution is using human >factors to not have your stuff being screened at all. "Love work, hate domination, and do not let your name come to the attention of the ruling powers." -Talmud/Sayings of the Fathers
