Recent Examples of pentachlorophenol from the Web
Near Alexandra, in central Louisiana, two plants that use coal-tar creosote and pentachlorophenol to pressure-treat and preserve wooden objects like rail ties and telephone poles operate directly adjacent to communities.
Pentachlorophenol contains dioxins, which are used in making chemical weapons, like Agent Orange, and can peel away human skin and cause leukemia.
The dinitrophenols and pentachlorophenols, among other members of this group, are widely used as herbicides.
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Britannica.com: Encyclopedia article about pentachlorophenol
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