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  1. Cyanide | Chemical Emergencies | CDC

    Sep 6, 2024 · Cyanide is a fast acting and potentially deadly chemical. Signs and symptoms of ammonia exposure depend on how much you were exposed to. Get away from the area, get …

  2. Poisonous Plants and Work | Outdoor | CDC

    Aug 28, 2024 · Types Identifying poisonous plants The old saying “Leaves of three, let it be!” is a helpful reminder for identifying poison ivy and poison oak. However, it does not apply to poison …

  3. Carbon Monoxide Poisoning Basics | Carbon Monoxide Poisoning

    Jan 12, 2026 · Carbon monoxide (CO) is an odorless, colorless gas that can cause sudden illness and death if inhaled. Find quick facts about CO poisoning and what can be done to prevent it.

  4. Workplace Carbon Monoxide Hazards | Carbon Monoxide | CDC

    Sep 30, 2024 · Carbon monoxide (CO) is a poisonous gas that can harm or kill workers. Employers, workers, and equipment users can take precautions to prevent CO poisonings.

  5. Food Poisoning Symptoms | Food Safety | CDC

    Nov 24, 2025 · Food poisoning symptoms include diarrhea, stomach pain or cramps, nausea, vomiting, and fever.

  6. Tetrodotoxin: Biotoxin | NIOSH | CDC

    Tetrodotoxin is an extremely potent poison (toxin) found mainly in the liver and sex organs (gonads) of some fish, such as puffer fish, globefish, and toadfish (order Tetraodontiformes) …

  7. Phosgene | Chemical Emergencies | CDC

    Sep 6, 2024 · Phosgene is a toxic gas or liquid that can cause damage to the skin, eyes, nose, throat, and lungs. Signs and symptoms depend on how the amount of phosgene, how the …

  8. Poisoning from Elderberry Juice -- California

    Feb 24, 1984 · The amount of acid produced is usually greatest in young leaves. There may be other toxic constituents in this plant. The root is probably the most poisonous and may be …

  9. Mold, Testing, and Remediation | Mold | CDC

    Feb 25, 2025 · However, the molds themselves are not toxic or poisonous. Molds that produce mycotoxins, like Stachybotrys chartarum, should be considered the same as other molds that …

  10. Outbreak Linked to Morel Mushroom Exposure — Montana, 2023

    Mar 14, 2024 · Abstract During March–April 2023, a total of 51 persons reported mild to severe gastrointestinal illness after eating at restaurant A in Bozeman, Montana. The outbreak …