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Originally posted by thedman
reply to post by JohnJasper
Came in message to Emergency Film Group which produces training videos with emphasis on Haz Mat
operations - described operations of 2 special units of FDNY, Squad 288 & Haz Mat 1. Both of which suffered
heavy casualties on 9/11
www.efilmgroup.com...
Article
www.efilmgroup.com...
See if do research rather than parroting nonsense from idiots can learn all sort of things.....
www.efilmgroup.com...
We began searching just as Tower #1 started to come down. We ran for cover in one of the buildings directly across the street at the World Financial Center, diving through a window and hiding behind one of the columns in the building. I could feel the pressure and the debris rushing past me as I hugged the column. Momentarily it because difficult to breathe, I started to put my facepiece on. The heat was pretty intense. I stayed near the column until most of the noise stopped; everything went black. After a few minutes we crawled out of the back of the building to safety.
Originally posted by Nonchalant
reply to post by JohnJasper
Ok, let me rephrase my original statement - "There was no significant damage to the bathtub on 9/11".
Indeed, much of the lower basement levels as you can see from the pictures were also left intact.
www.drjudywood.com...
Visual surveys indicate roughly 50% of the seven-level basement structure of the
World Trade Center is now rubble as a result of the impact of the collapse of the twin
110-story towers. Outside the tower footprints, the section of greatest concern within
the so-called 1,000 x 500-ft bathtub is along its south side. There, a 200 x 30-ft hole
from 40 to 70 ft deep sits between the tub's perimeter slurry wall and the remains of
Two WTC.
However, the lack of radiation immediately after the blast points strongly in favour of the deeper underground blast although it could be that HazMat 1 could not get close enough to the actual GZ to get the reading or indeed the geiger counter used was not capable of detecting the alpha particles. I'm no expert and am forced to parrot the knowledge of those in the know.
.Isotopes of special importance include iodine-131, strontium-90 and 89, and cesium-137. This is due to both their relative abundance in fallout, and to their special biological affinity. Isotopes that are readily absorbed by the body, and concentrated and stored in particular tissues can cause harm out of proportion to their abundance.
Iodine-131 is a beta and gamma emitter with a half-life of 8.07 days (specific activity 124,000 curies/g) Its decay energy is 970 KeV; usually divided between 606 KeV beta, 364 KeV gamma. Due to its short half-life it is most dangerous in the weeks immediately after the explosion, but hazardous amounts can persist for a few months. It constitutes some 2% of fission-produced isotopes - 1.6x10^5 curies/kt. Iodine is readily absorbed by the body and concentrated in one small gland, the thyroid.
Strontium-90 is a beta emitter (546 KeV, no gammas) with a half-life of 28.1 years (specific activity 141 curies/g), Sr-89 is a beta emitter (1.463 MeV, gammas very rarely) with a half-life of 52 days (specific activity 28,200 Ci/g). Each of these isotopes constitutes about 3% of total fission isotopes: 190 curies of Sr-90 and 3.8x10^4 curies of Sr-89 per kiloton. Due to their chemical resemblance to calcium these isotopes are absorbed fairly well, and stored in bones. Sr-89 is an important hazard for a year or two after an explosion, but Sr-90 remains a hazard for centuries. Actually most of the injury from Sr-90 is due to its daughter isotope yttrium-90. Y-90 has a half-life of only 64.2 hours, so it decays as fast as it is formed, and emits 2.27 MeV beta particles.
Cesium-137 is a beta and gamma emitter with a half-life of 30.0 years (specific activity 87 Ci/g). Its decay energy is 1.176 MeV; usually divided by 514 KeV beta, 662 KeV gamma. It comprises some 3-3.5% of total fission products - 200 curies/kt. It is the primary long-term gamma emitter hazard from fallout, and remains a hazard for centuries.
[/ex
Originally posted by thedman
reply to post by JohnJasper
So explain how you go about drilling deep underground in Manhattan?
Another thing - why if the weapon is buried deep underground does the collapse begin at the impact points
some 80-90 floors above the street. Explain that if buried deep the collapse starts here......
Originally posted by hillbilly4rent
As for the door handles aluminum or the crappy made plastic they use a lot on cars.
Originally posted by Nonchalant
And so if it was heat from the WTC's that melted the doorhandles of cars that far away, wouldnt people between the towers and the cars have caught fire or melted too? And why were some of the cars flipped upside down but not others?
Originally posted by Nonchalant
There were also certainly NO drag marks beside the cars already parked in the parking lots many blocks away.
they did spontaneously
combust.