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  2. Dibenzofuran - Wikipedia

    en.wikipedia.org/wiki/Dibenzofuran

    Dibenzofuran is a heterocyclic organic compound with the chemical structure shown at right. It is an aromatic compound that has two benzene rings fused to a central furan ring. All the numbered carbon atoms have a hydrogen atom bonded to each of them. It is a volatile white solid that is soluble in nonpolar organic solvents.

  3. 2,3,7,8-Tetrachlorodibenzofuran - Wikipedia

    en.wikipedia.org/wiki/2,3,7,8-tetrachlorodibenzo...

    2,3,7,8-Tetrachlorodibenzofuran (TCDF) is a polychlorinated dibenzofuran with a chemical formula of C 12 H 4 Cl 4 O. TCDF is part of the chlorinated benzofuran (CDF) family that contains between 1 and 8 chlorine atoms attached to the parent dibenzofuran ring system. The CDF family includes 135 compounds, of which only a few have been studied.

  4. Polychlorinated dibenzofurans - Wikipedia

    en.wikipedia.org/wiki/Polychlorinated_dibenzofurans

    Polychlorinated dibenzofurans (PCDFs) are a family of organic compounds with one or several of the hydrogens in the dibenzofuran structure replaced by chlorines. For example, 2,3,7,8-tetrachlorodibenzofuran (TCDF) has chlorine atoms substituted for each of the hydrogens on the number 2, 3, 7, and 8 carbons (see structure in the upper left ...

  5. Toxic equivalency factor - Wikipedia

    en.wikipedia.org/wiki/Toxic_Equivalency_Factor

    The toxicity of the individual congeners may vary by orders of magnitude. With the TEFs, the toxicity of a mixture of dioxins and dioxin-like compounds can be expressed in a single number – the toxic equivalency (TEQ). It is a single figure resulting from the product of the concentration and individual TEF values of each congener. [1]

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  7. Your Tea Bag Could Be Releasing Billions Of Microplastics ...

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    Unfortunately, a growing body of research has detected contaminants and microplastics pretty much everywhere, including our tap water. Now, new research has detected microplastics in yet another ...

  8. The 9 Best Sale Items at Costco Right Now - AOL

    www.aol.com/9-best-sale-items-costco-200246923.html

    $5.50 off each 24-pack of 16.9-ounce bottles. If you're tackling Dry January, San Pellegrino sparkling mineral water is a great way to mix things up.The 24-pack of 16.9-ounce bottles is $5.50 off ...

  9. Chelation therapy - Wikipedia

    en.wikipedia.org/wiki/Chelation_therapy

    Chelation therapy is a medical procedure that involves the administration of chelating agents to remove heavy metals from the body. [1] Chelation therapy has a long history of use in clinical toxicology [2] and remains in use for some very specific medical treatments, although it is administered under very careful medical supervision due to various inherent risks, including the mobilization of ...