Archived posting to the Leica Users Group, 2003/02/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Sad Day indeed. Fifteen more seconds, and we would have been in the news instead of them Yes, It is exactly the same distance from the Sabine river from Natchitoches. Legend has it that a Caddo Indian Chief had two sons, and he set them off at the river to claim their lands, one to the East, one to the West . Sonny - ----- Original Message ----- From: "Edward Caliguri" <caliguri@rcn.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Saturday, February 01, 2003 5:00 PM Subject: [Leica] toxic debris - a chemical view > Austin, all - > As a chemist (as well as a vet) I can only take a guess at what might be > toxic. First, VERY high heat applies to ceramics or carbon fiber material > 9as well as metals) can produce an amazing array of compounds. Added to > residual atmospheric gasses as well as 'leftover' fuel - a multitude of > uncertain heavy metal, carbon carcinogenic, and volatile compounds (which > may be heavier than air may or trapped inside the material matrix, may be > explosive as well. That's why after each mission, before crew exit, a > special 'Sniffer' (formally made my the Foxboro Co. here in in MA that I > once worked on back in '82) pulls in the surrounding gasses through a wand > that is waved al over the external areas of the ship by a trained crew, The > gasses are fed directly into a tandem infra-red analyzer/ mass spectrometer > to be identified - and the shuttle is scoured after crew exit. This is just > a guess, but enough to leave it alone, not only because of safety issues - > but moral issues as well - as it hampers investigation. Another truly sad > day for not only the US, but the World - as these missions have been a > unifying factor amongst global turmoil. I hope that this may spark new > interest to keep the programs at NASA alive, as the study of OUR spaceship, > earth, will bear unprecedented fruit to improve our planet's future. > > After hearing of the areas of falling debris, there is a town that > sounds quite similar to where Sonny lives - Is it nearby? > > With sadness, > Ed > > > From: owner-leica-users@mejac.palo-alto.ca.us (Leica Users digest) > > Reply-To: leica-users@mejac.palo-alto.ca.us > > Date: Sat, 1 Feb 2003 13:50:10 -0800 (PST) > > To: leica-users-digest@mejac.palo-alto.ca.us > > Subject: Leica Users digest V24 #37 > > > > Gary, > > > > I've heard this said, but what, exactly, is the toxic? Do you know, or are > > you just restating what was stated by the media? > > > > Austin > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html