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  2. Toxic heavy metal - Wikipedia

    en.wikipedia.org/wiki/Toxic_heavy_metal

    A toxic heavy metal is a common but misleading term for a metal-like element noted for its potential toxicity. [4] Not all heavy metals are toxic and some toxic metals are not heavy. [ 5 ] Elements often discussed as toxic include cadmium , mercury and lead , [ 6 ] all of which appear in the World Health Organization 's list of 10 chemicals of ...

  3. Metal toxicity - Wikipedia

    en.wikipedia.org/wiki/Metal_toxicity

    Toxic metals sometimes imitate the action of an essential element, interfering with the metabolic processes resulting in illness. Many metals, particularly heavy metals are toxic, but some are essential, and some, such as bismuth, have a low toxicity. Metals in an oxidation state abnormal to the body may also become toxic: chromium(III) is an ...

  4. Heavy metals - Wikipedia

    en.wikipedia.org/wiki/Heavy_metals

    Some heavy metals are either essential nutrients (typically iron, cobalt, copper and zinc), or relatively harmless (such as ruthenium, silver and indium), but can be toxic in larger amounts or certain forms. Other heavy metals, such as arsenic, cadmium, mercury, and lead, are highly poisonous.

  5. 'Extremely disturbing': High levels of heavy metals at ... - AOL

    www.aol.com/news/extremely-disturbing-high...

    The toxic metals threaten to upset the delicate ecosystem at the Elkhorn Slough, which is the state's second-largest estuary and plays a key role in sequestering carbon emissions and protecting ...

  6. Category:Toxic effects of metals - Wikipedia

    en.wikipedia.org/wiki/Category:Toxic_effects_of...

    This category reflects the organization of International Statistical Classification of Diseases and Related Health Problems, 10th Revision. Generally, diseases outlined within the ICD-10 codes T56 within Chapter XIX: Injury, poisoning and certain other consequences of external causes should be included in this category.

  7. Scientists find heavy metals such as lead, arsenic in ... - AOL

    www.aol.com/scientists-heavy-metals-lead-arsenic...

    Researchers have found that toxic metals such as arsenic and lead, among other contaminants, may be present in several tampon brands in the U.S. and the U.K.

  8. Wildfire retardant is laden with toxic metals, USC ... - AOL

    www.aol.com/news/wildfire-retardant-laden-toxic...

    But a new study by researchers at USC has found that a popular variety is laden with toxic metals, and estimates retardant use has released 850,000 pounds of these chemicals into the environment ...

  9. EPA list of extremely hazardous substances - Wikipedia

    en.wikipedia.org/wiki/EPA_list_of_extremely...

    This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]