• CHEMICAL WEAPONSRussia Spreads Disinformation to Cover Up Its Use of Chemical Weapons in Ukraine

    The United States determined Russia used the chemical weapon chloropicrin against Ukrainian troops and riot control agents (RCA) as a method of warfare in violation of the Chemical Weapons Convention (CWC).

  • CHEMICALSChlorine Is a Highly Useful Chemical That’s Also Extremely Dangerous − Here’s What to Know About Staying Safe Around It

    By Aliasger K. Salem

    Chlorine is extremely toxic, and because it’s ubiquitous in many industries across the U.S., it often is released in chemical accidents and spills. As with other household chemicals, it is very important to understand its risks, read labels before using it, store it in its original container in a secure place and dispose of it safely.

  • CROSS-BORDER THREATSStriving for a More Secure World

    By Allan Brettman

    PNNL experts work with international partners to tackle cross-border biological and chemical threats. PNNL’s border security focus can be traced to the breakup of the Soviet Union in the early 1990s. U.S. policy makers became concerned about the security of nuclear material in the newly independent states of the former U.S.S.R.

  • DRUG DETECTIONImproving Capabilities of Portable Drug Detection Systems

    DHS S&T and partners are working to improve their ability to identify different narcotics, like fentanyl. Narcotics detection systems libraries will be enhanced via the collection of data on approximately 50 restricted substances, primarily related to synthetic opioids like fentanyl, that are scheduled and controlled by the Drug Enforcement Administration.

  • CLOAK & DAGGERWho Was the Cold War “Umbrella Assassin?”

    By Christopher Nehring

    A new Danish documentary sheds some light on the shadowy figure of Francesco Gullino, alias “Agent Piccadilly,” the prime suspect in the 1978 murder of Bulgarian dissident Georgi Markov in London.

  • RAIL SAFETYIn a Growing Petrochemical Hub, the East Palestine Derailment Triggers “an Uneasy Feeling”

    By Eve Andrews

    The Upper Ohio River Valley has been layered in industrial pollution for centuries, and residents are fed up.

  • RAIL SECURITYCan You Tell Whether a “Bomb Train” Is Coming to Your Town? It’s Complicated.

    By John McCracken

    This information about trains carrying hazardous materials is out there, but it is not always readily accessible. With the derailment of the Norfolk Southern train receiving international attention, more railroad communities are now asking what is traveling through their backyard, and how to avoid the fate of East Palestine, Ohio.

  • RAIL SAFETYOhio Chemical Spill Draws Focus on Railroad Dangers

    By Alistair Walsh

    The U.S. has one of the most extensive rail networks in the world, but diminishing safety standards puts people and the environment at risk. The latest accident has drawn sharp focus onto the safety standards of the highly profitable freight rail industry and its prolific lobbying against regulation.

  • RAIL SAFETYThe Train Derailment in Ohio Was a Disaster Waiting to Happen

    By John McCracken

    The derailment of a freight train filled with volatile chemicals in rural Ohio earlier this month captured the headlines, but researchers and chemical spill experts say it’s a situation that plays out far too often across the country. Trains carry hazardous chemicals everyday. They’re also dangerously unregulated.

  • HAZARDOUS MATERIALTrain Derailments Get More Headlines, but Truck Crashes Involving Hazardous Chemicals Are More Frequent and Deadly in U.S.

    By Michael F. Gorman

    Highway crash of hazmat-carrying trucks do not draw national attention the way train derailments do, or trigger a flood of calls for more trucking regulation like the U.S. is seeing for train regulation. Truck crashes tend to be local and less dramatic than a pile of derailed train cars on fire, even if they’re deadlier. Federal data shows that rail has had far fewer incidents, deaths and damage when moving hazardous materials in the U.S. than trucks.

  • HAZARDOUS MATERIALSHow Dangerous Was the Ohio Chemical Train Derailment? An Environmental Engineer Assesses the Long-Term risks

    By Andrew J. Whelton

    Headaches and lingering chemical smells from a fiery train derailment in East Palestine, Ohio, have left residents worried about their air and water – and misinformation on social media hasn’t helped. The slow release of information after the derailment has left many questions unanswered about the risks and longer-term impact.

  • HAZARDOUS MATERIALSTrain Cars Which Derailed in Ohio Were Labeled Non-Hazardous

    By John McCracken

    Nearly two weeks after a train carrying hazardous chemicals derailed in rural Ohio, questions still linger about the lasting effects of the incident and the speed at which residents were returned to their homes. What we do know is that the train cars were marked as non-hazardous, and thus officials weren’t notified that the train would be crossing through the state.

  • CEHM-BIO THREATSPentagon Overhauls Chem-Bio Defense

    DOD last week said it was overhauling its approach to countering chemical and biological weapons. Rather than continuing to focus on developing countermeasures for a specific list of threat agents, the Pentagon will develop measures that can adapt to a range of evolving biological and chemical threats.

  • CHEMICAL THREATSThe Center of Gravity for Chemical Threats

    By Paul Strang

    DHS S&T’s Chemical Security Analysis Center (CSAC), located on the U.S. Army’s Aberdeen Proving Ground, CSAC is the nation’s only federal laboratory dedicated to assessing threats associated with large-scale chemical incidents or acts of chemical terrorism.

  • CHEMICAL WARFAREA Protein Could Prevent Chemical Warfare Attack

    A team of scientists has designed a synthetic protein that quickly detects molecules of a deadly nerve agent that has been classified by the United Nations as a weapon of mass destruction and could be used in a chemical warfare attack.