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2. Coal tar - Wikipedia

   en.wikipedia.org/wiki/Coal_tar

   Coal tar is produced through thermal destruction of coal.Its composition varies with the process and type of coal used – lignite, bituminous or anthracite. [13]Coal tar is a mixture of approximately 10,000 chemicals, of which only about 50% have been identified.

3. Tar - Wikipedia

   en.wikipedia.org/wiki/Tar

   Tar made from coal or petroleum is considered toxic and carcinogenic because of its high benzene content, [citation needed] though coal tar in low concentrations is used as a topical medicine for conditions such as psoriasis. [11] [12] Coal and petroleum tar has a pungent odor. Coal tar is listed at number 1999 in the United Nations list of ...

4. Coal tar in Newtown: How it was found decades ago and why ...

   www.aol.com/coal-tar-newtown-found-decades...

   Coal tar can lead to health risks from long-term exposure. Before anyone knew about the contamination, kids from the area played on the site. William McKinney, a 71-year-old who grew up in the ...

5. History of manufactured fuel gases - Wikipedia

   en.wikipedia.org/wiki/History_of_manufactured...

   As the wastes produced by former manufactured gas plants were persistent in nature, they often (as of 2009) still contaminate the site of former manufactured gas plants: the waste causing the most concern today is primarily coal tar (mixed long-chain aromatic and aliphatic hydrocarbons, a byproduct of coal carbonization), while "blue billy" (a ...

6. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous, and waterproof. [1] Systems incorporating bituminous-based substrates are sometimes used to construct roofs, in the form of "roofing felt" or "roll roofing" products.

7. Coal Tar: How Corrupt Politics and Corporate Greed Are ...

   en.wikipedia.org/wiki/Coal_Tar:_How_Corrupt...

   Coal Tar: How Corrupt Politics and Corporate Greed Are Killing America's Children is a 2018 book by private investigator and wrongful conviction advocate Bill Clutter. [1] [2] [3] In 1990, Clutter began investigating an epidemic of a rare childhood cancer called neuroblastoma in Taylorville, Illinois, after his law firm was hired to represent four families whose children had been diagnosed.