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  2. Meaning of Harmful Substance Harmful biological substance” means a bacteria, virus or other microorganism or a toxic substance derived from or produced by an organism that can be used to cause death, injury or disease in humans, animals or plants. Harmful substance are elements that are dangerous to human health.
    passnownow.com/classwork-exercise-series-socia…
    Harmful chemical substance means a solid, liquid, or gas that through its chemical or physical properties, alone or in combination with 1 or more other chemical substances, can be used to cause death, injury, or disease in humans, animals, or plants.
    www.lawinsider.com/dictionary/harmful-chemical-s…
    According to the Health and Safety Executive, harmful substances can be dust, gases, or fumes (that we can breathe in), as well as liquids, gels, or powders. Depending on the individual, exposure to toxic substances can result in either no harmful effects, reversible effects, or effects that have permanent consequences.
    blog.academly.io/science-corner/nvironmental/har…
    : something (as alcohol, methamphetamine, or marijuana) deemed harmful and usually subject to legal restriction
    www.merriam-webster.com/dictionary/substance
     
  3. People also ask
    What is a harmful substance?Something that is harmful has a bad effect on something else, especially on a person's health. [...] Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers A substance is a solid, powder, liquid, or gas with particular properties.
    What are chemical hazards and toxic substances?Chemical hazards and toxic substances pose a wide range of health hazards (such as irritation, sensitization, and carcinogenicity) and physical hazards (such as flammability, corrosion, and explosibility). This page provides basic information about chemical hazards and toxic substances in the workplace.
    What is a toxic substance?A toxic substance is a substance that can be poisonous or cause health effects. People are generally concerned about chemicals like polychlorinated biphenyls (PCBs) and dioxin which can be found at some hazardous waste sites.
    Are chemicals harmful?But it’s important to know that chemicals can be harmful to both people and the planet if they aren’t handled correctly. A chemical is a substance that has specific properties or characteristics we can use to identify it. They may interact with other substances and change form.
     
  4. Substance Use: Overview, Definition, Types, and Risks - Verywell …

     
  5. National Institute of Environmental Health Sciences: Toxicology

  6. HARMFUL SUBSTANCE definition and meaning | Collins English …

  7. What are Chemical Hazards? Types & Examples | SafetyCulture

  8. What You Know Can Help You - An Introduction to Toxic …

  9. Chemical Hazards and Toxic Substances - Overview

  10. CERCLA Hazardous Substances Defined | US EPA

  11. Hazardous Substances: A Comprehensive Guide | SafetyCulture

  12. HARMFUL SUBSTANCE definition in American English | Collins …

  13. Chemicals | Kids Environment Kids Health

  14. What Is Hazardous Material? | NFPA

  15. Toxic Substances Portal | ATSDR

  16. Toxicity - Wikipedia

  17. Harmful Substances: What Are They and How to Avoid Them

  18. Chemicals, Pesticides and Toxics Topics | US EPA

  19. Psychiatry.org - What Is a Substance Use Disorder?

  20. Pollution - National Geographic Society

  21. Toxic Substance | Encyclopedia.com

  22. Drugs (psychoactive) - World Health Organization (WHO)

  23. Drug addiction (substance use disorder) - Symptoms and causes

  24. Definition of a Hazardous Substance. | Occupational Safety and …

  25. Dangerous substances (chemical and biological) - OSHwiki

  26. PFAS Explained | US EPA

  27. About Adverse Childhood Experiences | Adverse Childhood …