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The NYPD is releasing harmless gases into the subway system during the morning rush beginning Tuesday to study how chemical weapons could be dispersed through the air.
Police, working with Long Island's Brookhaven National Laboratory, were spotted placing air-sampling devices in specific areas on the street and within the subway system across the five boroughs. Several researchers spent Tuesday morning outfitting the Columbus Circle subway station with the devices.
Police Commissioner Ray Kelly says results from the airflow study will help the NYPD learn how airborne toxins travel underground within the subway systems and above ground near the entrances and exits. The aim of the study is to better safeguard the city against a potential chemical attack, Kelly said.
Excessive exposure to perfluorocarbons may cause effects on the brain and heart. The main environmental concern with PFCs is the role these compounds play as greenhouse gases, influencing climate change. Consequently PFCs are controlled under the Kyoto Protocol. The concept of Global Warming Potential provides a common scale to compare the relative ability of different gases to trap heat in the atmosphere. PFCs have extremely high global warming potentials (5,000 to 10,000 times that of carbon dioxide). However, because they are only released in relatively small amounts, their contribution to global warming is minor. Due to their stability they have very long atmospheric lifetimes (thousands of years).
Jerry Carmine Cote · Top Commenter · New Jersey Institute of Technology This is the public preparation. They''ll do a few more of these, to condition New Yorkers (and by media extension, all other city subway riders) for the "normalcy" of such drills. When they commit the actual false flag attack, there will just happen to be a "drill" planned for that day that just happens to simulate the exact kind of attack that actually happens. The "drill" allows the federal perps to obscure their agents within a broad phalanx of government personnel. It provides the false appearance of DHS diligence, while making it very hard to pick out the actual perps. Just like 9-11. Just like the London Bombings. Just like the Boston Marathon. These Reichstag burnings just go on and on.
In addition to the study in Manhattan in 2005, previous airflow studies were conducted in subway systems in Boston, and Washington, D.C. – but none as extensive as the one planned for New York City in July.