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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 .
Posts and poles can be treated directly on endangered areas, but should be treated at least 30 cm (0.98 ft) above the future ground level. The depth obtained during regular steeping periods varies from 5 to 10 mm (0.20 to 0.39 in) up to 30 mm (1.2 in) by sap pine.
As such, copper naphthenate is available over the counter in ready-to-use formulations for consumer/residential use. It is also used in non-pressure applications for preserving textiles and cordage, and is widely used for remedial treatment of utility poles in service and for treating end cuts, holes, and other damage to the surface of treated ...
An alpha male gray wolf (Canis lupus) confronts another wolf in Montana. / Credit: Dennis Fast / VWPics/Universal Images Group via Getty Images
The copper in ACQ treated wood accelerates corrosion of galvanized steel fasteners (such as nails and screws) 10 times or more in comparison with CCA-treated wood. Stainless steel (AISI 316) is not affected. [7] Aluminium and Galvalum fasteners should be avoided. [8] One should use fasteners made of hot-dipped galvanized steel, copper, or ...
Michelle Johnson, professor emerita of journalism at Boston University, holds a photo of her great-great-grandfather Simon Peak in Glenn Springs, S.C., where according to 1870 census records Peak ...
Arkansas: Monte Ne Inn. City / Town: Rogers Address: 13843 E. Highway 94 Phone: (479) 636-5511 Website: monteneinnchicken.net Bring your appetite to this humble but well-known fried chicken joint ...
Some troops leave the battlefield injured. Others return from war with mental wounds. Yet many of the 2 million Iraq and Afghanistan veterans suffer from a condition the Defense Department refuses to acknowledge: Moral injury.
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