http://wiadomosci.onet.pl/katastrofa...845,temat.html
Automatic translation:
The position of the prosecution ws. reports of TNT in the Tu-154M
- I would like to reassure the public. Called experts who work with prosecutors in Smolensk did not find the wreckage of TNT or any other explosive material - said Colonel Ireneusz Szelag, who presented the reports of today's position on the "Rzeczpospolita".
- Today's publication of a newspaper contains a number of false statements
spectrometers respond to pesticides, solvents, compounds included in the plastics, cosmetics, organic compounds commonly found in soil. He added that these devices react eg tent made of PVC.
- These devices are used only for preliminary screening and rapid tests indicate that the item should be protected and subjected to detailed laboratory tests - said the prosecutor. He stressed that it can not be based on such signals to request the presence of explosives.
He also noted that the actions of security experts samples were used, rather than drawing conclusions. - Only laboratory tests can be the basis for claims about the existence or non-existence of traces of explosives - said Szeląg. He added that such requests can now "draw only a layman, who is not an elementary knowledge of this kind of research."
- Only people who do not have the relevant qualifications can based on the residual information incorrect conclusions