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  1. Feds Start Bio-Attack Readiness Test With Non-Toxic Gas ... - NBC New York

    Oct 18, 2021 · New York City’s response plans for a chemical or biological attack will be put to the test starting Monday as part of a federal preparedness study. NBC New York’s Tracie Strahan...

  2. The MTA Will Disperse A Non-Toxic Test Gas In NYC Subways Through This Week

    Oct 26, 2021 · The Department of Homeland Security is currently testing out how NYC is prepared to fare in case of a biological or chemical weapon attack — by pumping a non-toxic …

  3. Plenty to Say About Subway Test Gas That Isn’t Seen

    odorless and invisible gas in scores of subway stations. It has been billed as the country’s largest-ever urban airflow study.

  4. Map Reveals Most Polluted NYC Subway Stations: ‘Hazardous’

    Aug 7, 2024 · Millions of New York City subway commuters could be exposed to "hazardous" levels of air pollution every day after new research revealed "concerning" amounts of fine …

  5. Feds release gas in NYC subway to study for potential attack

    May 9, 2016 · Homeland security officials have released an invisible, odorless, harmless gas into part of New York City's subway system as part of a test of how air moves through the tunnels …

  6. Feds to deploy 'non-toxic gas in NYC subways to test biological …

    Oct 11, 2021 · The MTA says the Department of Homeland Security working alongside a team of researchers and city agencies will deploy a non-toxic gas this month at about 120 locations …

  7. Feds to Release Nontoxic Particles, Gases in NYC Subway as Part …

    Oct 11, 2021 · Federal researchers will release nontoxic particles and gases into the New York City subway this month as part of a study on airborne terrorism threats, officials announced …

  8. NYC subway stations will be pumped with non-toxic gas this …

    Oct 12, 2021 · On five days between October 18 and 29, they'll be releasing non-toxic gas at about 120 subway stations to test NYC's response plans for a chemical or biological attack, …

  9. Homeland Security's Test of NYC Subway Stations Involves Harmless Gas

    May 9, 2016 · Researchers will release the gas and take air samples to test how vulnerable the city is to a possible chemical attack.

  10. NYC subway riders exposed to toxic air: Study - FOX 5 New York

    Aug 8, 2024 · A new study from NYU highlights how New York City subway commuters are exposed to toxic air – and how Black and Hispanic people are disproportionately affected.