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originally posted by: Phage
a reply to: twitchy
No need to paraphrase.
In response to this:
Most demolition companies pre cut beams to make it easier for the building to come down. some 911 images :
You said this:
I would venture to guess that they typically wait until fire/rescue and retrieval operations are over with though, wouldn't you? If you take a look at your pics, those are emergency responders taken long before the Loizeaux crew started cutting beams and hauling off debris.
In response to this:
You seem pretty sure about that. Are you sure you know when those pictures were taken? Are you sure those are emergency responders and not comrades on a recovery mission? Are you sure no cutting had been done?
You said this:
I'm pretty sure pulling survivors out of rubble comes before standing on top of them to cut up core columns.
It's quite clear what you actually said.
originally posted by: twitchy
samples collected and tested by the USGS on Sept. 17 and 18 that found cesium, uranium, thorium, barium, strontium, yttrium, rubidium, molybdenum, lanthanum, cerium, chromium and zinc... etc. ad nauseum.
The chemical makeup of the dust samples, although quite variable, reflects the chemical contributions of mate- rials used in building construction or found in buildings, such as glass fibers, concrete, gyspum wallboard, steel girders, wiring, ductwork, electronics, computers, paper , and many others
originally posted by: hellobruce
originally posted by: twitchy
samples collected and tested by the USGS on Sept. 17 and 18 that found cesium, uranium, thorium, barium, strontium, yttrium, rubidium, molybdenum, lanthanum, cerium, chromium and zinc... etc. ad nauseum.
The chemical makeup of the dust samples, although quite variable, reflects the chemical contributions of mate- rials used in building construction or found in buildings, such as glass fibers, concrete, gyspum wallboard, steel girders, wiring, ductwork, electronics, computers, paper , and many others
pubs.usgs.gov...
Exactly what you would expect to find!
originally posted by: Chadwickus
a reply to: twitchy
The EPA has set a maximum limit of 20 nanocurie.
The highest found at WTC was 3.57
You do the maths
originally posted by: Chadwickus
a reply to: twitchy
I have other words, but T&C's prevent me from using them.
originally posted by: Chadwickus
a reply to: twitchy
In the video he states the dome of the explosion reached a diameter of 5 miles.
Source
A circular area of the desert floor five miles across was obscured by fast-expanding dust clouds moving out horizontally from the base surge, akin to pyroclastic surge...
originally posted by: Chadwickus
a reply to: twitchy
I think we know where you're at now with this thread, and I'll bow out now.
That's just building six's tritium, mind you, let alone what was tested at the freshkills landfill MONTHS later. I won't even get into the samples collected and tested by the USGS on Sept. 17 and 18 that found cesium, uranium, thorium, barium, strontium, yttrium, rubidium, molybdenum, lanthanum, cerium, chromium and zinc... etc. ad nauseum. Strontium was detected in levels as high as 3000 ppm, and I don't think many watches or gun sights would explain that, would they?
Consuming 75% of production, the primary use for strontium is in glass for colour television cathode ray tubes. It prevents X-ray emission. All parts of the CRT must absorb X-rays. In the neck and the funnel of the tube, lead glass is used for this purpose, but this type of glass shows a browning effect due to the interaction of the X-rays with the glass. Therefore, the front panel has to use a different glass mixture, in which strontium and barium are the X-ray-absorbing materials. The average values for the glass mixture determined for a recycling study in 2005 is 8.5% strontium oxide and 10% barium oxide.[40] The amount of strontium used for the production of cathode ray tube is declining because the CRTs are replaced by other display methods. This decline has a significant influence on the mining and refining of strontium.
originally posted by: firerescue
a reply to: twitchy
You lose .......... Again.......
I have no idea what they used, but it sure as hell wasn't gussied up kerosene and oxygen starved office furniture.
Let's see your flapping piece of polystyrene melt structural steel in a giant heat sink frame and keep it at temperatures exceeding 1500 degrees