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The geographical extent of sources may be very large. For example, up to one-sixth of China's arable land might be affected by heavy metal contamination. [23] Lead is the most prevalent heavy metal contaminant. [24] As a component of tetraethyl lead, (CH 3 CH 2) 4 Pb, it was used extensively in gasoline during the 1930s–1970s. [25]
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. [1] Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).
Alcoholic beverages are extremely harmful to dogs, [72] and often for reasons of additives such as xylitol, an artificial sweetener in some mixers. Dogs can absorb ethyl alcohol in dangerous amounts through their skin as well as through drinking the liquid or consuming it in foods. Even fermenting bread dough can be dangerous to dogs. [73]
Food poisoning, also known as foodborne illness, is a common sickness caused by swallowing food or liquids that contain harmful bacteria, viruses or parasites, and sometimes even chemicals.
Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment R68/20 Harmful: possible risk of irreversible effects through inhalation R68/21 Harmful: possible risk of irreversible effects in contact with skin R68/22 Harmful: possible risk of irreversible effects if swallowed R68/20/21
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]
Women in their 60s and 70s say this $27 eye cream 'works wonders'
Most deaths from ethylene glycol are intentional suicides; deaths in children due to unintentional ingestion are extremely rare. [ 64 ] In an effort to prevent poisoning, often a bittering agent called denatonium benzoate , known by the trade name Bitrex , is added to ethylene glycol preparations as an adversant to prevent accidental or ...