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The company was a family owned business that operated since the late 1930s until 2009. [5] [6] In December 1983, a partially below-ground storage tank holding approximately 3,640 gallons of chromic acid plating solution containing approximately 5,400 pounds of chromium failed, leaking the solution directly into the groundwater underneath. [7] [1]
Anodizing can also be performed in borate or tartrate baths in which aluminium oxide is insoluble. In these processes, the coating growth stops when the part is fully covered, and the thickness is linearly related to the voltage applied. [6] These coatings are free of pores, relative to the sulfuric and chromic acid processes. [6]
Chromic acid is an intermediate in chromium plating, and is also used in ceramic glazes, and colored glass. Because a solution of chromic acid in sulfuric acid (also known as a sulfochromic mixture or chromosulfuric acid ) is a powerful oxidizing agent , it can be used to clean laboratory glassware , particularly of otherwise insoluble organic ...
Hexavalent chromium plating, also known as hex-chrome, Cr 6+, and chrome(VI) plating, uses chromium trioxide (CrO 3, also known as chromic anhydride) as the main ingredient. Hexavalent chromium plating solution is used for both decorative and hard plating, as well as bright dipping of copper alloys, chromic acid anodizing , and chromate ...
PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials.With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe.
The entire Michner Plating Site is still too unsafe for industrial use, but has been considered for partial redevelopments in its strategic location. [ 8 ] The EPA resumed cleanup in 2021, and designated Michner Plating as a Superfund Site; citing numerous barrels containing industrial contaminants , buried within the building's foundation.
In 1932, Lewis T. Briggs Sr., a part-owner of the Erie Bronze Company, bought out Smith's co-investors and became president of the eight-person company. During World War II the Erie Plating Company expanded into plating military components. The main wartime products produced in Erie were bomb fuses, aircraft parts, and communication equipment.
The Bristol Alliance of Companies is the marketing entity for the Bristol companies, which provides a range of services, including civil, structural and mechanical engineering; heavy, civil and vertical construction; environmental remediation; fuel systems; range and unexploded ordnance response services; electrical and telecommunications services; and demolition and site preparation services ...
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