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Koppers Carbon Materials and Chemicals are used in the production of a variety of manufactured goods including aluminum, steel, plastics, resins, treated wood, and rubber products. These products also increase the durability and extend the life of products such as railroad ties, utility and transmission poles, and marine pilings. [ 9 ]
Central City/Clear Creek: Clear Creek: Soil, groundwater and surface water contamination, leaching and liquid waste contaminated with heavy metals such as zinc, copper, manganese, cadmium, lead and arsenic, from mining and milling operations within the watershed. [13] (see Argo Tunnel) 12/30/1982: 09/08/1983 – – –
In 1907 Long-Bell built the first "skyscraper" in Kansas City, named the R.A. Long Building, for the company corporate headquarters. At 16 stories tall, costing a reported 14 million dollars. [9] [10] The building was bought in 1940 by City National Bank & Trust Company.
ADBA chloride has been used in commercial products in the US since 1947. A registration standard was issued by EPA in 1985. [5] One disadvantage of ACQ is that significant amounts of air pollution, in the form of ammonia, are released from treatment plants and freshly treated wood in storage yards.
Apart from structural wood preservation measures, there are a number of different chemical preservatives and processes (also known as timber treatment, lumber treatment or pressure treatment) that can extend the life of wood, timber, and their associated products, including engineered wood. These generally increase the durability and resistance ...
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions. It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects. Like other copper-based wood preservatives, it ...
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